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当前位置: 首页 > 文章 > 伸长后期干旱胁迫下不同甘蔗品种的抗旱差异评价 安徽农业科学 2012,40 (35) 17044-17047
Position: Home > Articles > The Drought Resistance Evaluation of Different Sugarcane Varieties under Drought Stress in Elongation Period Journal of Anhui Agricultural Sciences 2012,40 (35) 17044-17047

伸长后期干旱胁迫下不同甘蔗品种的抗旱差异评价

作  者：
韩世健;罗维钢;周洁琼;裴铁雄;龙春丽;陆国盈
单  位：
广西大学农学院
关键词：
甘蔗品种;抗旱性;生理指标;产量性状;工艺品质
摘  要：
[目的]研究桂塘02-208等4个引进甘蔗品种的抗旱性。[方法]以西大引7号、西大引11号、西大引12号、桂糖02-208等4个引进品种及ROC22(抗旱性较强)和ROC16(抗旱性较弱)2个对照品种为供试材料,采用桶栽和人工控水的方法,以正常供水处理为对照,研究伸长后期干旱胁迫对甘蔗生理指标、产量性状和工艺品质的影响,运用模糊数学中的隶属函数法对各品种的抗旱性进行综合评判。[结果]干旱胁迫下甘蔗叶片膜透性、丙二醛含量、脯氨酸含量显著升高,不同品种的升幅不同;伸长后期干旱胁迫导致蔗株变矮,蔗茎产量降低;伸长后期干旱胁迫还导致甘蔗成熟推迟,蔗糖分降低、还原糖分增加,造成甘蔗工艺品质变劣。[结论]根据隶属函数的计算结果,各品种抗旱性强弱顺序:ROC22>西大引11号>西大引7号>西大引12号>ROC16>桂糖02-208。
译  名：
The Drought Resistance Evaluation of Different Sugarcane Varieties under Drought Stress in Elongation Period
作  者：
HAN Shi-jian et al(Agricultural College of Guangxi University,Nanning,Guangxi 530005)
关键词：
Sugarcane varieties;Drought resistance;Physiological indexes;Yield characters;Process quality
摘  要：
[Objective] To study the drought resistance of four introduced sugarcane varieties such as GT02-208.[Method] With 4 introduction varieties such as XDY7,XDY11,XDY12,GT02-208 and two check varieties such as ROC22(strong drought resistance) and ROC16(less drought resistance) as tested materials,compared with normal water supply,the effects of drought stress on physiological indexes,yield characters and process quality of sugarcane based on the potted experiment and the control of water in elongation period were researched,and then membership function of fuzzy mathematics was used to judge the drought resistance of sugarcane varieties.[Result] The membrane permeability,MDA content,proline content of leaf increased significantly under drought stress.The increases were not same in different varieties.Drought stress led to shorter plant and lower production in the later stage of elongation.Drought stress also led to the maturity delay,the sucrose decline,the reducing sugars increase,and made the Process quality become deterioration.[Conclusion] According to the calculated results of membership function,the drought resistance value order of varieties was: ROC22> XDY11> XDY7> XDY12> ROC16> GT02-208.

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