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当前位置: 首页 > 文章 > 生物除草剂对加拿大一枝黄花生理参数和死亡率的影响 中南林业科技大学学报 2012,32 (10) 121-124+129
Position: Home > Articles > Effects of biological herbicideon physiological parameter and death rate of Solidgo Canadensis Journal of Central South University of Forestry & Technology 2012,32 (10) 121-124+129

生物除草剂对加拿大一枝黄花生理参数和死亡率的影响

作  者：
杨柳青;赵坤;廖飞勇;许潜;冯加生;吴红强
单  位：
中南林业科技大学;湘潭市林科所;湘潭市林业局
关键词：
加拿大一枝黄花;生物除草剂;光合;荧光;使它隆
摘  要：
用小菌核菌作为生物除草剂和使它隆对加拿大一枝黄花进行了防治实验。结果表明,处理4天后使它隆的光合速率下降49.1%,其它参数变化不大。处理11天后,使它隆处理的植株的荧光参数和光合速率出现明显的下降,生物除草剂处理的植株其荧光参数和净光合速率有不同程度的下降。处理15天后,使它隆处理的植株叶绿素含量是对照的58%,Fo值是对照的126.0%,ETR是对照的22.0%,净光合速率是对照的2.2%。生物除草剂不同浓度处理的植株中,T4处理的影响最为明显,Fo值是对照的113.6%,ETR是对照的20.9%,净光合速率是对照的60.7%。处理35天,不同生物除草剂的死亡率为83.3%,使它隆的为100%。
译  名：
Effects of biological herbicideon physiological parameter and death rate of Solidgo Canadensis
作  者：
YANG Liu-qing1,ZHAO Kun1,LIAO Fei-yong1,XU Qian2,FENG Jia-sheng3,WU Hong-qiang3(1.CentralSouthUniversity of Forestry and Technology,Changsha 410004,Hunan,China;2.Forestry Bureau of Xiangtan City,Xiangtan 411100,Hunan,China;3.Xiangtan Institute of Forestry Science,Xiangtan 411206,Hunan,China)
关键词：
Solidgo canadensis;biological herbicide;photosynthesis;fluorescence;fluroxypyr
摘  要：
Sclerotiumfungus(as biological herbicide and fluroxypyr were used to kill Solidgo canadensis.The results show that the photosynthesis rates of plants treated with fluroxypyr for 4 days decreased by 49.1 %,while the other parameters did not change much.After treated with fluroxypyr for 11 days,the fluorescence parameters and photosynthetic rate decreased obviously.The other plants treated with different concentrations biological herbicide decreased in different extentrespectively.After treated for 15 days,the chlorophyll contents of the plants treated with fluroxypyr were 58 % of those of control,the values of Fo were 126.0 % of those of control,the values of ETR were 22.0 % of those of control,the net photosynthetic rates were 2.2 % of those of control.The most changes of physiological parameters of the plants treated with different biological herbicide were the treatment four(T4).After treated for 15 days,the values of Fo of the plants of T4 were 113.6 % of those of control,the values of ETR were 20.9 % of those of control,the net photosynthetic rates were 60.7 % of those of control.After treated for 35 days,the dead rates of the plants treated with different concentration biological herbicide were 83.3 %,while that of plants treated with fluroxypyr was 100 %.

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