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Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (5): 984-994.doi: 10.16420/j.issn.0513-353x.2021-0165

• Research Papers • Previous Articles     Next Articles

Resistance Difference and Physiological Response Mechanism of Grape Rootstocks to Osmotic Stress

LIU Zhongjie1, ZHENG Ting1, ZHAO Fanggui1, FU Weihong1, ZHUGE Yaxian1, ZHANG Zhichang2, FANG Jinggui1,3,*()   

  1. 1College of Horticulture,Nanjing Agricultural University,Nanjing 210095,China
    2Shandong Zhichang Grape Co.,Ltd.,Rizhao,Shandong 276500,China
    3Fruit Crop Variety Improvement and Seedling Propagation Engineering Center of Jiangsu Province,Nanjing 210095,China
  • Received:2022-01-11 Revised:2022-02-15 Online:2022-05-25 Published:2022-05-25
  • Contact: FANG Jinggui E-mail:fanggg@ njau.du.cn

Abstract:

In order to select the grape rootstock cultivated varieties with strong comprehensive resistance,the tolerance of 10 grape rootstocks to drought,waterlogging and salt stress were studied. The results showed that‘520A’had the best comprehensive performance and strong resistance to three kinds of stress;‘420A’had strong resistance to two kinds of stress,‘3309M’‘1103P’and‘110R’had strong resistance to only one of them,while‘Beta’and‘101-14’had weak resistance to three kinds of stress. In addition,the increase of resistance to osmotic stress was positively correlated with the accumulation of soluble sugar,proline,MDA and Ca2+,but negatively correlated with chlorophyll.

Key words: grape, rootstock, drought, waterlogging, salt stress, resistance, physiological response

CLC Number: