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ACTA HORTICULTURAE SINICA ›› 2013, Vol. 40 ›› Issue (10): 1983-1990.

• Research Notes • Previous Articles     Next Articles

Effect of Dormancy with Leaves on Respiration of Grape Buds During Dormancy Release

CONG Shen,WANG Hai-bo*,WANG Xiao-di,WANG Bao-liang,ZHENG Xiao-cui,SHI Xiang-bin,LIU Wan-chun,and LIU Feng-zhi**   

  1. (Fruit Research Institute,Chinese Academy of Agricultural Sciences,Key Laboratory of Biology and Genetic Improvement of Horticultural Crops(Germplasm Resources Utilization),Ministry of Agriculture,Xingcheng,Liaoning 125100,China)
  • Received:2013-05-17 Online:2013-10-25 Published:2013-10-25

Abstract: Effect of dormancy with leaves and defoliation on respiration of grape buds during dormancy release was studied in high chilling requirement grape‘Summer Black’. Results indicated that dormancy with leaves was more effective on breaking dormancy than defoliation by manual work. Dormancy with leaves and defoliation had a similar change tendency of respiration rate and pathway. However,respiration of dormancy with leaves changed obviously earlier than defoliation. Respiration rate,EMP-TCA,alternative pathway and residual pathway of dormancy were more activate than defoliation during dormancy release.

Key words: grape, endodormancy, respiration, leaf

CLC Number: