药剂干扰对芒果炭疽病时间和空间生态位的影响  

Effect of Fungicide Interference on the Temporal and Spatial Niches of Mango Anthracnose

作　　者：肖厚贞[1,2] 方佳[2] 王绥通 林运萍[3] 

机构地区：[1]海南大学,海南儋州571737 [2]中国热带农业科学院科技信息研究所,海南儋州571737 [3]海南省农垦总局,海南海口570000

出　　处：《安徽农业科学》2009年第23期11049-11050,共2页Journal of Anhui Agricultural Sciences

基　　金：科技部公益性基金资助项目(2004DIB4J139)

摘　　要：[目的]探讨药剂干扰对芒果炭疽病时间和空间生态位的影响。[方法]运用生态位的原理与方法,研究不同药剂处理对芒果炭疽病生态位的影响。[结果]对照区芒果炭疽病时间和空间生态位宽度指数分别为0.178 5、0.965 6;常规区芒果炭疽病的时间和空间生态位宽度指数为0.175 4和0.796 6;预测区芒果炭疽病的时间和空间生态位宽度指数为0.176 2和0.826 7。药剂干扰压缩了芒果炭疽病的时间和空间生态位宽度,对空间生态位宽度的影响更为显著。常规喷药和预测预报喷药对芒果炭疽病生态位的影响差别不大,预测预报喷药在试验期减少了2次喷药次数,可节约成本,减少对环境的污染。[结论]该研究为制定抗药性治理策略提供了理论指导。[ Objective ] The aim was to discuss the effect of fungicide interference on temporal and spatial niches of mango anthracnose. [ Method] The effect of different fungicide treatments on mango anthracnose niches were studied by niche theory and method. [ Result] The temporal and spatial niche breadth index of mango anthracnose in control area were 0. 178 5 and 0.965 6, resp. , that in conventional area were 0. 175 4 and 0.796 6, resp. , and that in prediction area were 0. 176 2 and 0. 826 7, resp. Fungicide interference reduced the temporal and spatial niche breadth of mango anthracnose and it had more significant effect on spatial niche breadth. The difference between the effect of conventional spraying and forecast spraying on mango anthracnose niches were littte. Forecast spraying reduced 2 spraying times in the experimental period, which could save cost and reduce pollution in environment. [ Conclusion ] The research provided the theoretical guidance for establishing fungicide resistance management strategy.

关 键 词：芒果炭疽病 生态位 药剂 

分 类 号：S511[农业科学—作物学]