“海沃德”猕猴桃细菌性溃疡病田间分布型研究
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摘要
本研究利用经典的聚集度指标法和回归分析法对该病害的空间分布型进行测定,探明猕猴桃溃疡病的田间分布情况。结果表明,猕猴桃溃疡病病株在大田呈聚集分布,分布的基本形式为个体群。分别计算了猕猴桃溃疡病大田抽样的最适理论抽样数和序贯抽样数,确定了该病害抽样的最佳样方大小,通过上述研究有效提高调查抽样的效率,为提高该病害田间调查的准确性和制定有效的防治措施提供依据。
In order to find out the distribution of kiwifruit canker disease in the field,the spatial distribution pattern of the disease was determined by classical aggregation index method and regression analysis method in this study.The results showed that canker-diseased kiwifruit plants showed aggregation distribution in the field,and the basic form of distribution was individual population.The optimum theoretical and sequential sampling numbers were calculated respectively for field sampling of Kiwifruit canker disease,and the optimum sampling square size was determined.The efficiency of investigation sampling was effectively improved through the above research courses,thus providing reference for the prevention of this disense.
In order to find out the distribution of kiwifruit canker disease in the field,the spatial distribution pattern of the disease was determined by classical aggregation index method and regression analysis method in this study.The results showed that canker-diseased kiwifruit plants showed aggregation distribution in the field,and the basic form of distribution was individual population.The optimum theoretical and sequential sampling numbers were calculated respectively for field sampling of Kiwifruit canker disease,and the optimum sampling square size was determined.The efficiency of investigation sampling was effectively improved through the above research courses,thus providing reference for the prevention of this disense.
引文
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[5] Iwao S.Application of the m*-m method to the analysis of spatial patterns by changing the quadrat sizemethod to the analysis of spatial patterns by changing the quadrat size[J].Researches on Population Ecology,1972,14(1):97～128.
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[2] 张锋,陈志杰,张淑莲,等.猕猴桃溃疡病药剂防治技术研究[J].西北农林科技大学学报(自然科学版),2005,33(3):71～75.
[3] 刘波,朱育菁,肖荣凤,等.西瓜枯萎病病株空间分布格局及其抽样技术[J].生态学报,2004,24(9):2043～2049.
[4] 刘磊,梁昌聪,曾迪,等.香蕉枯萎病田间分布型及病原菌在植株上的分布[J].生态学报,2015,35(14):4742～4753.
[5] Iwao S.Application of the m*-m method to the analysis of spatial patterns by changing the quadrat sizemethod to the analysis of spatial patterns by changing the quadrat size[J].Researches on Population Ecology,1972,14(1):97～128.
[6] Taylor L R.Aggregation,Variance and the Mean[J].Nature,1961,189(4766):732～735.
[7] Iwao S.A new regression method for analyzing the aggregation pattern of animal populations[J].Researches on Population Ecology,1968,10(1):1～20.
[8] Iwao S.An approach to the analysis of aggregation pattern in biological populations[J].Statistical Ecology,1971,1(953):269～275.