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不同砧穗组合葡萄植株对部分根区干旱的生理生化响应
引用本文:綦伟,厉恩茂,翟衡,王晓芳,杜远鹏.不同砧穗组合葡萄植株对部分根区干旱的生理生化响应[J].应用生态学报,2008,19(2):306-310.
作者姓名:綦伟  厉恩茂  翟衡  王晓芳  杜远鹏
作者单位:1. 山东农业大学园艺科学与工程学院,山东泰安,271018;山东省蓬莱市葡萄与葡萄酒局,山东蓬莱,265600
2. 山东农业大学园艺科学与工程学院,山东泰安,271018;山东农业大学作物生物学国家重点实验室,山东泰安,271018
3. 山东农业大学园艺科学与工程学院,山东泰安,271018
摘    要:利用自制木箱对嫁接在3309C、420A和110R砧木上的玛瓦斯亚葡萄(M)进行双侧根区交替灌溉(AI)和单侧灌溉(UI)两种水分胁迫处理,以探讨不同葡萄砧穗组合对干旱的适应能力.结果表明:水分胁迫导致葡萄叶片ABA浓度大幅度增加,AI和UI的3种组合平均分别提高了267.5%和394.7%,而气孔导度和蒸腾速率显著下降.UI处理的3种组合叶片SOD和CAT活性显著增加,脯氨酸(Pro)含量极显著增加,且均以M/110R增幅较大,M/3309C增幅较小;而AI处理的SOD和CAT活性增加较小,但Pro含量显著增加.干旱胁迫导致葡萄叶片质膜透性、MDA和H2O2含量极显著增加,以M/3309C增加最多,M/110R增加较少.不同砧穗组合适应干旱逆境的能力主要取决于砧木品种,110R适应干旱逆境的能力强于420A和3309C,其对应的嫁接植株的生长量亦呈同样趋势.与根区单侧灌溉相比,双侧根区交替灌溉对植株造成的伤害较小,是可推广的节水灌溉方式.

关 键 词:葡萄  砧木  接穗  部分根区干旱  砧穗组合  葡萄叶片  植株  分根区  干旱逆境  生理生化响应  different  biochemical  drought  节水灌溉方式  伤害  趋势  生长量  对应  砧木品种  能力  适应  质膜透性  干旱胁迫  含量
文章编号:1001-9332(2008)02-0306-05
收稿时间:2006-12-12
修稿时间:2007-12-04

Physiological and biochemical responses of different scion/rootstock combinations grapevine to partial rootzone drought.
QI Wei,LI En-mao,ZHAI Heng,WANG Xiao-fang,DU Yuan-peng.Physiological and biochemical responses of different scion/rootstock combinations grapevine to partial rootzone drought.[J].Chinese Journal of Applied Ecology,2008,19(2):306-310.
Authors:QI Wei  LI En-mao  ZHAI Heng  WANG Xiao-fang  DU Yuan-peng
Institution:College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an 271018, Shandong, China. qw1017112233@163.com
Abstract:By using self-made wooden boxes with two separated zones,the grapevine Vitis vinifera cv.Malvasia(M) grafted on rootstocks 3309C,420A and 110R,respectively,was planted,and the physiological and biochemical responses of these scion/rootstock combinations to bilateral alternative irrigation(AI) and unilateral irrigation(UI) were studied.The results showed that in treatments AI and UI,the average leaf ABA content of test scion/rootstock combinations increased by 267.5% and 394.7%,respectively,while stomatal conduction and transpiration decreased markedly.In treatment UI,the leaf SOD and CAT activities and Pro content were notably enhanced,with the greatest increment in M/110R and followed by in M/420A and M/3309C;while in treatment AI,the leaf SOD and CAT activities of test scion/rootstock combinations enhanced slightly and Pro content increased markedly.UI induced a remarkable increase of leaf relative electronic conductivity and MDA and H2O2 contents,with the highest increment in M/3309C and the lowest in M/110R.In summary,the drought resistance of different scion/rootstock combinations grapevine mainly depended on the variety of rootstock.110R had a higher drought-resistance than 420A and 3309C.Comparing with unilateral irrigation,bilateral alternative irrigation had lesser damage to grapevine,being a profitable water-saving irrigation technique.
Keywords:grapevine(Vitis vinifera)  scion  rootstock  partial rootzone drought
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