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当前位置: 首页 > 文章 > 麦棉共生期间棉花根系的生理特性研究 棉花学报 2007,19 (6) 32-35
Position: Home > Articles > Study on the Physiological Characteristic of Cotton Root in the Composite Root Population of Wheat-cotton Double Cropping System in Symbiotic Period Cotton Science 2007,19 (6) 32-35

麦棉共生期间棉花根系的生理特性研究

作  者：
王瑛;王立国;陈兵林;周治国;张立桢;张思平
单  位：
南京农业大学农业部作物生长调控重点开放试验室
关键词：
麦棉两熟;共生期;棉花根系;生理特性
摘  要：
以单作棉为对照,采取池栽试验方法,设置麦棉自然根系(根系和肥水均可相互通过)、麦棉纱网隔根(肥水可相互通过,根系不能相互通过)和麦棉塑膜隔根(根系和肥水均不能相互通过)3种麦棉复合根系群体,研究了麦棉套作对棉花根系生理特性的影响。结果表明,麦棉自然根系和纱网隔根复合群体降低了麦棉共生期的棉花根系活力,而麦棉塑膜隔根提高了棉花根系活力;麦棉套作,无论隔根与不隔根,均降低了麦棉共生期内的棉花根系内源保护酶活性及可溶性蛋白含量;小麦收获后,棉花根系内源保护酶活性和可溶性蛋白含量均比共生期有不同程度的改善,但麦棉隔根复合根系群体仍然低于麦棉自然根系。
译  名：
Study on the Physiological Characteristic of Cotton Root in the Composite Root Population of Wheat-cotton Double Cropping System in Symbiotic Period
作  者：
WANG Ying1,WANG Li-guo1,CHEN Bing-lin1,ZHOU Zhi-guo1,ZHANG Li-zhen1,2,ZHANG Si-ping2(1.Key Laboratory of Crop Growth Regulation of the Ministry of Agriculture,Nanjing Agriculture University,Nanjing 210095;2.Cotton Research Institute of CAAS,Anyan 455000,China)
关键词：
wheat-cotton double cropping;symbiotic period;cotton root;physiological characteristic
摘  要：
According to the single-planting cotton as CK,the effect of the different composite root population of wheat-cotton double cropping system on cotton root growth was studied by setting three treatments,i.e.wheat-cotton double cropping system in which the roots of wheat and cotton mixed naturally(WCRM),wheat-cotton double cropping system in which the roots of wheat and cotton separated with nylon net(WCRN),and wheat-cotton double cropping system in which the roots of wheat and cotton separated with plastic film(WCRP).The results showed that: in the symbiotic period of wheat and cotton,the cotton root activity reduced in WCRM and WCRN,and increased in WCRP.The activity of SOD,POD,CAT and soluble protein content of cotton root reduced under the system of separated or united roots of wheat and cotton,improved after wheat harvested in various degrees in the symbiotic period,but the activity and soluble protein in WCRP were lower than those in WCRM.

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