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Cheng, Lailiang
Cornell Faculty Member
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- Associate Professor, Horticulture (HORT), College of Agriculture and Life Sciences (CALS)
I have an appointment of research and extension in nutrition physiology and stress physiology of deciduous fruit crops (apples and grapes in particular). The goal of my reasearch and extension programs is to better understand the physiological processes underlying nutrition and environmental stresses and extend this knowledge to fruit growers for improving productivity and fruit quality. I am also involved in undergraduate and graduate teaching.
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Affiliations
other Cornell affiliations
Extension
has primary specialization area
Research
research overview
- The interaction between carbon and nitrogen dominates the primary metabolism in plants, and therefore elucidating this interaction is critical for understanding the physiology of the whole plant. We are currently focused on how nitrogen supply affects carbon metabolism and nitrogen metabolism in both apples and grapes. Pome and stone fruits of the Rosaceae family, such as apple and cherry, are unique in that sorbitol serves as a primary end-product of photosynthesis and a major translocated carbohydrate in the phloem. Sorbitol is also implicated in responses to environmental stresses. We are using apple trees with decreased sorbitol synthesis to understand the role sorbitol plays in carbohydrate metabolism, organic acid metabolism and nitrogen metabolism, and stress tolerance. We are very interested in both primary metabolism and secondary metabolism relevant to fruit quality during fruit growth and development as well as their responses to nutrient stress and other environmental stresses. On the more applied side, our research addresses uptake, translocation, storage, and remobilization and demand-supply relationship of nitrogen and other nutrients in apples and grapevines to provide basis for optimizing nutrient inputs into both apple orchards and vineyards.
research activities
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keywords
- Apple
- carbon metabolism
- grape
- nitrogen uptake and use
- nutrition physiology
- photosynthesis
- stress physiology
submitted impact statement
Publications
individual publications
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academic article
- A natural mutation-led truncation in one of the two ALMT-like genes at the Ma locus is associated with low fruit acidity in apple.. Molecular Genetics and Genomics. 287:663-678. 2012
- Antioxidant metabolism of 1-methylcyclopropene (1-MCP) treated ‘Empire’ apples during controlled atmosphere storage. . Postharvest Biology and Technology. 65:79-91. 2012
- Characterization of polyphenolic metabolites in the seeds of Vitis germplasm.. Journal of Agricultural and Food Chemistry. 60:1291-1299. 2012
- Expression patterns of genes involved in sugar metabolism and accumulation during apple fruit development. PLoS One. 7. 2012
- Polyphenolic composition and content in the ripe berries of wild Vitis species.. Food Chemistry. 132. 2012
- Differential effects of nitrogen supply on skin pigmentation and flesh starch breakdown of ‘Gala’ apple. HortScience. 46:1116-1120. 2011
- Phloem loading strategies and water relations in trees and herbaceous plants. Plant Physiology. 157:1518-1527. 2011
- Polyphenolic profiles detected in the ripe berries of Vitis vinifera germplasm. Food Chemistry. 129:940-950. 2011
- Varietal difference of apple peel in response to high temperature and high light stress as evaluated by chlorophyll fluorescence. Acta Horticulturae. 903:1049-1054. 2011
- Developmental changes of carbohydrates, organic acids, amino acids, and phenolic compounds in ‘Honeycrisp’ apple flesh. Food Chemistry. 123:1013-1018. 2010
- Metabolism of organic acids, nitrogen and amino acids in chlorotic leaves of ‘Honeycrisp’ apple (Malus domestica Borkh) with excessive accumulation of carbohydrates. Planta. 232:511-522. 2010
- Variability in Berry Maturation of Concord and Cabernet Franc in a Cool Climate. American Journal of Enology and Viticulture. 61:61-67. 2010
- Accumulation of macro- and micronutrients and nitrogen demand-supply relationship of ‘Gala’/M.26 trees grown in sand culture.. Journal of American Society of Horticultural Science. 134:3-13. 2009
- Comparison of thermotolerance of sun-exposed peel and shaded peel of ‘Fuji’ apple.. Environmental and Experimental Botany. 66:110-116. 2009
- Effects of nitrogen supply on source-sink balance and fruit size of Gala apple trees. Journal of American Society of Horticultural Science. 134:126-133. 2009
- Heterogeneous behavior of PSII in soybean (Glycine max) leaves with identical PSII photochemistry efficiency under different high temperature treatments.. Journal of Plant Physiology. 166:1607-1615. 2009
- Phloem loading strategies in three plant species that transport sugar alcohols. Plant Physiology. 149:1601-1608. 2009
- Photosystem II is more tolerant to high temperature in apple (Malus domestica Borkh.) leaves than in fruit peel. Photosynthetica. 47:112-120. 2009
- The elevated anthocyanin level in the shaded peel of ‘Anjou’ pear enhances its tolerance to high temperature under high light.. Plant Science. 177:418-426. 2009
- A maltose transporter from apple is expressed in source and sink tissues and complements the Arabidopsis maltose export defective mutant. Plant and Cell Physiology. 49:1607-1623. 2008
- Competitive inhibition of phosphoglucose isomerase of apple leaves by sorbitol 6-phosphate. Journal of Plant Physiology. 165:903-910. 2008
- Effects of high temperature coupled with high light on the balance between photooxidation and photoprotection in the sun-exposed peel of apple. Planta. 228:745-756. 2008
- Red ‘Anjou’ pear has a higher photoprotective capacity than green ‘Anjou’. Physiologia Plantarum. 134:486-498. 2008
- The shaded side of apple fruit becomes more sensitive to photoinhibition with fruit development. Physiologia Plantarum. 134:282-292. 2008
- Iron Assimilation and Carbon Metabolism in ‘Concord’ Grapevines Grown at Different pHs. Journal of American Society of Horticultural Science. 132:473-483. 2007
- Molecular cloning and characterization of violaxanthin de-epoxidase (VDE) in Zingiber officinale. Plant Science. 172:228-235. 2007
- The sun-exposed peel of apple fruit has a higher photosynthetic capacity than the shaded peel. Functional Plant Biology. 34:1038-1048. 2007
- Down-regulation of sorbitol dehydrogenase and up-regulation of sucrose synthase in shoot tips of transgenic apple trees with decreased sorbitol synthesis. Journal of Experimental Botany. 57:3647-3657. 2006
- FeEDDHA alleviates chlorosis in ‘Concord’ grapevines grown at high pH. HortScience. 41:1498-1501. 2006
- Antisense inhibition of sorbitol synthesis leads to up-regulation of starch synthesis without altering CO2 assimilation in apple leaves. Planta. 220:767-776. 2005
- Binding of 3-phosphoglycerate not only activates but also stabilizes ADP-glucose pyrophosphorylase of apple leaves. Functional Plant Biology. 32:839-848. 2005
- Method of nitrogen application in summer affects plant growth and nitrogen uptake in autumn in young Fuji/M.26 apple trees. Communications in Soil Science and Plant Analysis. 36:1465-1477. 2005
- Photoprotective mechanisms of grape leaves (Vitis labrusca L. cv. Concord) in relation to iron supply. Journal of American Society of Horticultural Science. 130:331-340. 2005
- Timing of urea application affects leaf and root N uptake of young Fuji/M.9 apple trees. Journal of Horticultural Science and Biotechnology. 80:116-120. 2005
- Biochemical characterization of cytosolic fructose-1,6-bisphosphatase from apple leaves. Plant and Cell Physiology. 45:879-886. 2004
- CO2 assimilation, carbohydrate metabolism, xanthophyll cycle and the antioxidant system of ‘Honeycrisp’ apple leaves with zonal chlorosis. Journal of American Society for Horticultural Science. 129:729-737. 2004
- CO2 assimilation, photosynthetic enzymes and carbohydrates of ‘Concord’ grape leaves in response to iron supply. Journal of American Society for Horticultural Science. 129:738-744. 2004
- Controlling bitter pit in ‘Honeycrisp’ apples. HortTechnology. 14:342-349. 2004
- Diurnal operation of the xanthophyll cycle and the antioxidant system in the peel of apple fruit. Journal of American Society for Horticultural Science. 129:313-320. 2004
- Exposure of the shaded side of apple fruit to full sun leads to up-regulation of both the xanthophyll cycle and the ascorbate-glutathione cycle. Plant Science. 166:1479-1486. 2004
- Foliar urea application in the fall affects both nitrogen and carbon storage in young ‘Concord’ grapevines grown under a wide range of nitrogen supply. Journal of American Society for Horticultural Science. 129:653-659. 2004
- Growth and fruiting of young ‘Concord’ grapevines in relation to reserve nitrogen and carbohydrates. Journal of American Society for Horticultural Science. 129:660-666. 2004
- Nitrogen mobilization, nitrogen uptake and growth of cuttings obtained from poplar stock plants grown in different N regimes and sprayed with urea in autumn. Tree Physiology. 24:355-359. 2004
- Nitrogen storage and its interaction with carbohydrates of young apple trees in response to nitrogen supply. Tree Physiology. 24:91-98. 2004
- Nitrogen uptake, soil retention and loss of soil-applied ammonium nitrate in young Fuji/M.26 apple trees with different N status. Journal of Horticultural Science and Biotechnology. 79:395-399. 2004
- Soil and foliar nitrogen supply affects the composition of nitrogen and carbohydrates in young almond trees. Journal of Horticultural Science and Biotechnology. 79:175-181. 2004
- Both xanthophyll cycle-dependent thermal dissipation and the antioxidant system are up-regulated in grape (Vitis labrusca L.) leaves in response to N limitation. Journal of Experimental Botany. 54:2165-2175. 2003
- Carbon assimilation and carbohydrate metabolism of ‘Concord’grape (Vitis labrusca L.) leaves in response to nitrogen supply. Journal of American Society of Horticultural Science. 128:754-760. 2003
- Purification and characterization of sorbitol-6-phosphate phosphatase from apple leaves. Plant Science. 165:227-232. 2003
- Regulation of apple leaf aldose-6-phosphate reductase activity by inorganic phosphate and divalent cations. Functional Plant Biology. 30:1037-1043. 2003
- Root damage affects nitrogen uptake and growth of young Fuji/M.26 apple trees. Journal of Horticultural Science and Biotechnology. 78:410-415. 2003
- Spring growth of almond nursery trees depends upon nitrogen from both plant reserves and spring fertilizer application. Journal of Horticultural Science and Biotechnology. 78:853-858. 2003
- The exposed peel of apple fruit has higher xanthophyll cycle-dependent thermal dissipation and antioxidants of the ascorbate-glutathione pathway than the shaded peel. Plant Science. 165:819-827. 2003
- Xanthophyll cycle pool size and composition in relation to nitrogen content of apple leaves. Journal of Experimental Botany. 54:385-393. 2003
- Growth of young apple trees in relation to reserve nitrogen and carbohydrates. Tree Physiology. 22:1297-1303. 2002
- Nitrogen absorption, translocation and distribution from urea applied in autumn to leaves of young potted apple trees. Tree Physiology. 22:1305-1310. 2002
- Urea uptake and nitrogen mobilization by apple leaves in relation to tree nitrogen status in autumn. Journal of Horticultural Science and Biotechnology. 77:13-18. 2002
- Effects of nitrogen fgertigation on reserve nitrogen and carbohydrate status and regrowth performance of pear nursery plants. Acta Horticulturae. 564:51-62. 2001
- Foliar urea pretreatment tempers inefficient N recovery resulting from copper chelate defoliation of apple nursery plants. Journal of Horticultural Science and Biotechnology. 76:35-39. 2001
- Interactions between soil temperature and plant growth stage on nitrogen uptake and amino acid content of apple nursery stock during early spring growth. Tree Physiology. 21:541-547. 2001
- New root growth in relation to nitrogen reserves of young Gala/M.26 apple trees. Acta Horticulturae. 564:365-369. 2001
- The relationship between photosystem II efficiency and quantum yield for CO2 assimilation is not affected by nitrogen content in apple leaves. Journal of Experimental Biology. 52:1865-1872. 2001
- CO2 assimilation in relation to nitrogen content in apple leaves. Journal of Horticultural Science and Biotechnology. 75:383-387. 2000
- Light absorption and partitioning in response to nitrogen in apple leaves. Journal of American Society of Horticultural Science. 125:581-587. 2000
- Rubisco activation state decreases with increasing nitrogen content in apple leaves. Journal of Experimental Botany. 51:1687-1694. 2000
- Effects of antitranspirant and leaching on mediumsolution potential, leaf stomatal status, transpiration, ABA content, and growth of ‘Early Girl’ tomato plants. Journal of Horticultural Sciences and Biotechnology. 73:473-477. 1998
- Diurnal and seasonal stomatal regulation of water use efficiency in leaves of field-grown apple trees. Acta Horticulturae. 451:375-382. 1997
- Effects of mild water stress on CO2 assimilation and water use efficiency of field-grown peach trees. Acta Horticulturae. 374:121-125. 1996
- Diurnal changes of photosynthesis in leaves of field-grown apple trees. Acta Horticulturae. 19:111-116. 1992
- Effects of straw or film mulching over the soil on diurnal changes of photosynthesis in apple leaves. Journal of Fruit Science. 8:135-138. 1991
- Effects of short-term soil drought on diurnal changes of photosynthesis in apple leaves. Journal of Fruit Science. 7:193-200. 1990
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article
- . Special considerations in nutrient management for apple trees after frost. 2012
- Project Focus: Yeast Assimilable Nitrogen in New York From Veraison to Harvest 2012
- Nitrogen fertilization has differential effects on red color development and flesh starch breakdown of ‘Gala’ apple 2011
- Nutrient management of apple orchards 2011
- Project Focus: Foliar Nitrogen Sprays, YAN and Botrytis in Riesling 2011
- Project Focus: Two Years of Yeast Assimilable Nitrogen (YAN) Data 2011
- Nitrogen fertilization in apple 2010
- Nitrogen nutrition and fertilization of apple trees 2010
- Nutrient needs by apple trees: how much of each element does a tree need and when? 2010
- Project Focus: Improving management options for YAN in the vineyard and Winery 2010
- Tracking YAN from Veraíson to Harvest 2010
- Vignoles harvest: Shoot thinning, training system and Botrytis 2010
- When and how much nitrogen should be applied in apple Orchards 2010
- Nutrient requirements of Gala/M.26 trees for high yield and quality 2009
- How does nitrogen supply affect ‘Gala’ fruit size? 2007
- When and how much nitrogen fertilizer should be applied in mature ‘Concord’ vineyards? 2007
- Adjusting soil pH for optimum nutrient availability 2004
- Management of Nitrogen and carbohydrate reserves to improve growth and yield of apple trees 2004
- Nitrogen fertilization of apple orchards 2004
- Effects of foliar applications of calcium, boron, and Flint fungicide on incidence of bitter pit 2002
- Foliar N application at petal fall and early cover sprays to strength early fruit growth and set of apple 2002
- Growth performance of apple nursery trees in relation to reserve nitrogen and carbohydrates 2002
- Honeycrisp: promising profit maker or just another problem child 2001
- Honeycrisp: promising profit maker or just another problem child? 2001
- Mineral nutrition as a factor in cold tolerance of apple trees 2001
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booksection
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conference paper
- Cell wall composition and ethylene synthesis are altered in transgenic apple with decreased sorbitol synthesis.. HortScience. 2012
- Consequences of urea applications for inoculum reduction on tree vigor.. Proceedings of the In-depth Fruit School on Managing Fireblight and Scab under Difficult Conditions-Pathogen Resistance and Conducive Weather.. 115-126. 2012
- Nutrient removal from apple orchards by harvest and its implications for nutrient management. . Proceedings of Great Lakes Fruit Workers Meeting. 41-43. 2012
- Optimizing nutrients: how to foster plant growth without getting ‘burned’?. Proceedings of the In-depth Fruit School on Managing Fireblight and Scab under Difficult Conditions-Pathogen Resistance and Conducive Weather. 29-35. 2012
- Flesh browning again! Updates on effects of temperature, CA, glyphosate and minerals. Cornell Storage Workshop Proceedings. Dept. Hort. Publ. 69. 2011
- Nutrition and fertilization of nursery trees. Proceedings of In-Depth Fruit School “On-Farm Nursery Management” The Cornell Fruit Program Work Team. 65-70. 2010
- Fruit set and yield in relation to reserve nitrogen and reserve carbohydrates in 'Gala' trees.. Proceedings of Great Lakes Fruit Workers Meeting. 9-11. 2009
- Honeycrisp leaf chlorosis: causes and mitigation. Proceedings of the 2009 Empire State Fruit and Vegetable Expo. 37-39. 2009
- Managing fruit tree nutrition to satisfy needs and reduce cost. . Proceedings of In-depth Fruit School on Apple Mineral Nutrition. 96-101. 2009
- Nitrogen demand-supply relationship and N fertilization in apple orchards.. Proceedings of In-depth Fruit School on Apple Mineral Nutrition. 41-45. 2009
- Nutrient requirements of Gala/M.26 trees for high yield and quality. proceedings of In-depth Fruit School on Apple Mineral Nutrition. 15-26. 2009
- Nutrient requirements of high density ‘Gala’ trees. Empire State Hort Show and Expo. 2007
- Dry matter, total nitrogen and fertilizer nitrogen accumulation in mature Concord vines. 57th Annual Finger Lakes Grape Growers Convention. 3-4. 2006
- Optimal nitrogen management to improve yeast available nitrogen in grape musts. 57th Annual Finger Lakes Grape Growers Convention. 72-75. 2006
- Seasonal growth, dry matter and carbohydrate development in mature ‘Concord’ grapevines. Paper and Abstract Book. 68. 2006
- Conclusions for three years of study on the effect of drought and nitrogen management on formation of atypical aging flavor in wine. 33nd New York Wine Industry Workshop. 68-71. 2004
- Foliar nitrogen application improved growth and fruiting of ‘Concord’ vines. 54th Annual Finger Lakes Grape Growers Convention. 45-50. 2004
- How much nitrogen does ‘Gala’ need? . Empire State Horticultural Show and Expo. 5-7. 2004
- Foliar nitrogen application to Concord and vinifera grapes. Proceedings of Viticulture 2003. 2003
- Nitrogen fertilization of apple orchards. Proceedings of In-depth Fruit School on Apple Mineral Nutrition. 2003
- Soil pH effects on nutrient availability. Proceedings of In-depth Fruit School on Apple Mineral Nutrition. 2003
- Update on wine atypical aging research. Proceedings of 32nd New York Wine Industry Workshop. 2003
- Apple fruit growth responses to early season shade at varying developmental stages. 26th International Hort Congress. 2002
- Drought and Water Stress in New York Vineyards and the Potential for Atypical Aging of New York Wines. Proc. 31st NY Wine Industry Workshop, NYS Agric. Exper. Station. 2002
- Drought and water stress in New York vineyards and the potential for atypical aging of New York wines. Proceedings of 31st New York Wine Industry Workshop. 2002
- Effects of drought stress on chlorophyll fluorescence and xanthophylls cycle composition of apple leaves. 26th International Hort Congress. 2002
- Effects of elevated CO2 and nitrogen supply in the fall on reserve carbohydrates and nitrogen and growth performance of young apple trees. 26th International Hort Congress. 2002
- Effects of urea and defoliant-CuEDTA in a single or a combined application in the fall on N reserves and growth performance of young Fuji/M.26 apple trees. 26th International Hort Congress. 2002
- Nitrogen fertilization update: 2001 foliar nitrogen trials on vinifera and Concord grapes. Proceedings of 53rd Annual Finger Lakes Grape Growers' Convention. 2002
- Nitrogen management to improve vine N status and reduce atypical aging of wine in New York. Proceedings of 31st New York Wine Industry Workshop. 2002
- Xanthophyll pool size and composition in relation to nitrogen content of apple leaves. 26th International Hort Congress. 2002
- Managing nitrogen and carbon reserves to improve tree growth and yield. Proceedings of Michigan Horticultural Society Annual Meeting and Great Lakes EXPO2001. 2001
- Understanding the bitter pit problem in Honeycrisp. Apple Handling and Storage: Proceedings of Storage Workshop 2001. 2001
- Understanding the bitter pit problem in Honeycrisp. Apple Handling and Storage: Proc. Storage Workshop 2001, Cornell University, Ithaca. 2001
- The role of reserve nitrogen and carbon in growth performance of apple nursery trees. Proceedings of New York Horticultural Society Annual Meeting. 2000
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document part
- Effects of low light on early apple fruit development and retention – Genetic, biochemical, physiological and modeling approaches. 120. 2010
- Leaf polar metabolites concentrations and starch levels in relation to phloem loading type. 33. 2010
- Metabolism of organic acids, nitrogen and amino acids in chlorotic leaves of ‘Honeycrisp' apple with excessive accumulation of carbohydrates 2010
- Nitrogen metabolism of ‘Gala’ apple fruit in response to nitrogen supply 2010
- Responses of transgenic apple trees with decreased sorbitol synthesis to nitrogen deficiency 2010
- Variation of berry polyphenolic profiles of USDA Vitis vinifera germplasm. 156. 2010
- Diagnosing iron deficiency. 1055. 2008
- High temperature coupled with high light alters the balance between photooxidation and photoprotection in the sun-exposed peel of apple. 58-59. 2008
- Northeastern strawberry cultivars: 100 years of breeding. 1187. 2008
- Requirements for macro-and micro-nutrients by high density ‘Gala’ apple trees. 1111. 2008
- Seasonal responses of apple fruit growth, abscission, and fruit carbohydrate concentrations to low light. 37-38. 2008
- The shaded peel of apple fruit becomes more sensitive to high light damage as fruit develops. 1121. 2008
- Varietal difference of apple fruit in response to high temperature and high light stress evaluated by chlorophyll fluorescence. 155. 2008
- Comparison between the sunburned and non-sunburned peel of ‘Gala’ apple in terms of photooxidation and photoprotection. 909. 2007
- Effect of N limitation on growth, yield and photosynthetic characteristics of strawberry (F. ananassa). 983. 2007
- Enhancing and Synchronizing Grape Berry Ripening 2007
- Ferric oxide does not contribute to the chlorosis paradox in Concord grapevines grown at high pH. 961. 2007
- Nitrogen demand-supply relationship of high density Gala apple trees. 903. 2007
- Vegetative growth, fruiting, and fruit size of Gala trees in response to nitrogen supply. 903. 2007
- Carbohydrate metabolism in source and sink tissues of transgenic apple trees with decreased sorbitol synthesis. 931. 2006
- Mechanism of up-regulation of starch synthesis in mature leaves of transgenic apple trees with decreased sorbitol synthesis. 1009. 2006
- Morphology and physiology of sugar transport in apple leaves. 1061. 2006
- Regulation of starch degradation in mature leaves of transgenic apple trees with decreased sorbitol synthesis. 1009-1010. 2006
- Use chlorophyll fluorescence for detecting and understanding environmental stresses. 951. 2006
- Fruit set and yield in relation to reserve nitrogen and reserve carbohydrates in ‘Gala’ apple trees. 1083. 2005
- Mobilization of iron from ferric citrate in vitro. 1132. 2005
- Xanthophyll cycle-dependent thermal dissipation and the antioxidant system of ‘Gala’ apple peel in response to nitrogen supply. 1097. 2005
- Antisense inhibition of sorbitol synthesis leads to changes in the activity of the antioxidant system in apple leaves. 887. 2004
- CO2 assimilation, carbohydrate metabolism, xanthophyll cycle and the antioxidant system of ‘Honeycrisp’ apple leaves with zonal chlorosis. 886. 2004
- CO2 assimilation, photosynthetic enzymes and carbohydrates of grape (Vitis labrusca L. cv. Concord) leaves in response to iron supply. 826. 2004
- Exposure of the shaded side of apple fruit to full sun leads to up-regulation of both the xanthophyll cycle and the ascorbate-glutathione cycle. 887. 2004
- Foliar urea application in the fall affects both nitrogen and carbon storage in young ‘Concord’ grapevines grown under a wide range of nitrogen supply. 827. 2004
- Nitrogen storage and its interaction with carbohydrates of young almond trees in response to nitrogen supply. 796. 2004
- Photoprotective mechanisms of grape leaves (Vitis labrusca L. cv. Concord) in relation to iron supply. 854. 2004
- Regulatory properties of apple leaf cytosolic fructose-1,6-bisphosphatase. 761. 2004
- Antisense inhibition of sorbitol synthesis leads to up-regulation of starch synthesis without altering CO2 assimilation in apple leaves. 764. 2003
- Both xanthophyll cycle-dependent thermal dissipation and the antioxidant system are up-regulated in grape (Vitis labrusca L. cv. Concord) leaves in response to N limitation. 811. 2003
- Carbon assimilation and carbohydrate metabolism of grape (Vitis labrusca L. cv. Concord) leaves in response to nitrogen supply. 764. 2003
- Diurnal changes of xanthophyll cycle and antioxidant enzymes in the peel of apple fruit. 837. 2003
- Effects of CO2 enrichment and N application after harvest on reserve nutrient status, and growth and fruiting of apple trees. 809. 2003
- Regulation of sorbitol dehydrogenase activity in apple shoot tips by sorbitol and sucrose. 764. 2003
- Vegetative growth and fruiting of Concord vines in relation to reserve nitrogen and carbohydrates. 796. 2003
- Effects of copper chelate in combination with foliar urea on defoliation and reserve nitrogen levels of apple nursery trees with different background nitrogen status. 464. 2001
- Effects of manual defoliation and foliar urea on reserve nitrogen and carbon status, growth, and yield of apple trees. 464. 2001
- The relationship between photosystem II efficiency and quantum yield for CO2 assimilation is not affected by nitrogen content in apple leaves. 417. 2000
- Urea uptake and nitrogen mobilization by apple leaves in relation to tree nitrogen status in the fall. 481. 2000
- Effects of foliar urea on reserve nitrogen and carbohydrates in young apple plants fertigated with different levels of nitrogen. 492. 1999
- Photosystem II efficiency and CO2 assimilation in response to light and CO2 in leaves of deciduous tree fruits. 548. 1999
- Regrowth performance of apple nursery plants in relation to reserve nitrogen and carbohydrates. 553. 1999
- Effects of antitranspirant and fertilization on flowering, fruiting, and biomass production in ‘Early Girl’ tomato plants. 456. 1998
- Effects of nitrogen cut-off date in combination with urea or abscisic acid on terminal budset, defoliation, cold acclimation, and reserve nitrogen in ‘Gala’ apple nursery stock. 580. 1998
- Light absorption and partitioning in response to nitrogen in apple leaves. 540. 1998
- Photometric measurements of Rubisco activity in leaves of deciduous fruit crops. 530. 1997
- The relationship between Rubisco activity and photosynthesis in apple leaves with different nitrogen content. 530. 1997
- Effects of antitranspirant and leaching on medium solution potential, leaf stomatal status, transpiration, ABA content, and growth of ‘Early Girl’ tomato plants. 648. 1996
- The relationship between leaf nitrogen and photosynthesis in apple leaves. 578. 1996
- Partitioning of a drought-induced root signal within the Fragaria chiloensis plant. 836. 1995
- Water relations, stomatal conductance, and abscisic acid content of young apple trees in response to antitranspirant treatment. 837. 1995
- Regrowth performance of apple nursery plants in relation to reserve and current uptake of nitrogen. 451. 1988
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report
- Pest management guidelines for commercial tree-fruit production 2011. 2011
- 2010 Pest Management Guidelines for Tree Fruit 2010
- Nutrient management of apple orchards 2010
- Pest Management Guidelines for Commercial Tree-Fruit Production 2010 2010
- 2009 Pest Management Guidelines for Commercial Tree-Fruit Production 2009
- 2008 Pest Management Guidelines for Commercial Tree-Fruit Production 2008
- 2008 Pest management guidelines for commercial tree-fruit production 2008
- 2007 Pest Management Guidelines for Commercial Tree-Fruit Production 2007
- 2006 Pest Management Guidelines for Commercial Tree-Fruit Production 2006
- New York integrated fruit production protocol for apples 2006
- Zonal chlorosis of Honeycrisp leaves: Causes and Implications 2006
- 2005 Pest Management Guidelines for Commercial Tree-Fruit Production 2005
- Development of an Integrated Fruit Production Protocol (IFP) for NY Apples 2005
- 2004 Pest Management Guidelines for Commercial Tree-Fruit Production 2004
- New York State Integrated Pest Management Elements for Apple 2004
- 2003 Pest Management Guidelines for Commercial Tree-Fruit Production 2003
- Pest management guidelines for commercial tree-fruit production 2003 2003
- 2002 Pest Management Guidelines for Commercial Tree-Fruit Production 2002
- Develop and fine-tune a fertilization program for your vineyard 2002
- Pest management guidelines for commercial tree-fruit production 2002 2002
- 2001 Pest Management Guidelines for Commercial Tree-Fruit Production 2001
- Comparing foliar N with soil-applied N on apple yield, quality, and cold hardiness 2001
- Effects of cultural practices on Concord reserve nitrogen and carbohydrates 2001
- Postharvest foliar urea application 2000
presentations
Teaching
teaching overview
- My goal in teaching and advising is to train students so that they develop to realize their academic potential, resulting in not only getting a degree from Cornell, but more importantly becoming a “thinker” and a “doer” in the field of horticultural sciences. My teaching has been largely in mineral nutrition of fruit crops and advanced analytical techniques in plant science.
teaching activities
- HORT-5900: Master of Professional Studies (Agriculture) Project - Spring 2013
- HORT-6170: Advanced Analytical Methods for Plant Systems - Spring 2013
- HORT-7000: Graduate Teaching Experience - Spring 2013
- HORT-9900: Thesis Research, Doctor of Philosophy - Spring 2013
- HORT-9900: Thesis Research, Doctor of Philosophy - Fall 2012
- CSS-4551: Principles of Nutrition and Nutrient Management in Crops and Landscape Plants - Spring 2012
- HORT-4551: Principles of Nutrition and Nutrient Management in Crops and Landscape Plants - Spring 2012
- HORT-5900: Master of Professional Studies (Agriculture) Project - Spring 2012
- HORT-7000: Graduate Teaching Experience - Spring 2012
- HORT-9900: Thesis Research, Doctor of Philosophy - Spring 2012
- HORT-9900: Thesis Research, Doctor of Philosophy - Fall 2011
Service
outreach overview
- The goal of my extension program is to effectively transfer research-based information and provide expertise concerning nutrition management to the New York apple and grape industries through collaborations with faculty, extension educators, and growers. In 2009, I 1) organized an in-depth fruit school on apple mineral nutrition in both Eastern and Western New York where I made two presentations on tree nutrient requirements and nitrogen management in apple orchards and also participated in a third presentation on reducing fertilization cost while satisfying tree needs to about 100 apple growers; 2) made 7 presentation to over 700 growers in New York and mid-Atlantic region on orchard nutrient management for high yield and fruit quality and published 6 extension articles on nutrient management; 3) made one presentation on my recent research findings in nutrient physiology and management to about 75 extension educators at the In-service Training at the Great Lakes Fruit Workers Meeting; 4) updated nutrient management of apple orchards for the “2009 Pest Management Guidelines for Commercial Tree Fruit Production”; and 5) provided one to one contact with apple and grape growers on interpretation of leaf and soil analyses and fertilization recommendations.
service to the profession
- Board of American Pomological Society Committee Member 2002 -
- American Pomological Society Member 2000 -
- Wilder Medal Committee of American Pomological Society Committee Member 2000 -
- American Society for Horticultural Science Member 1994 -
- International Society for Horticultural Science Member 1993 -
- Pomology Working Group of American Society for Horticultural Science Chairperson 2005 - 2006
- Pomology Working Group of American Society for Horticultural Science Secretary 2004
reviewer or editor for
Background
education and training
- Ph.D. in, Oregon State University 1999
- M.S. in, Shandong Agricultural University 1989
- B.S. in, Shandong Agricultural University 1984
awards and honors
- Savery Outstanding Graduate Student Award, 1998
- Award for Student Travel, 1998
- Award for Student Travel, 1997
- Award for Student Travel, 1996
- Member of Gamma Sigma Delta (1996-1999), 1996
- Outstanding Research Paper Award, 1991
- Outstanding Young Instructor of Shandong Agricultural University, PRC, 1991
Other
college
- CALS
research keyword
- Apple
- carbon metabolism
- grape
- nitrogen uptake and use
- nutrition physiology
- photosynthesis
- stress physiology