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首页> 外文期刊>New Zealand Journal of Crop and Horticultural Science >Empirical models of the relationships between early blight (Alternaria solani) and yield of potato (Solanum tuberosum) crop grown under different production environments
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Empirical models of the relationships between early blight (Alternaria solani) and yield of potato (Solanum tuberosum) crop grown under different production environments

机译:不同生产环境下马铃薯早疫病与马铃薯产量之间关系的实证模型

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Abstract Four experiments were conducted over two growing seasons during 1995/96 and 1996/97 at Lincoln University and the New Zealand Institute for Crop & Food Research, Lincoln, Canterbury. A large database was used to assess the effects of production environments on disease yield relationships and to compare different models derived from pathogen‐based disease measurement and host‐based disease measurements. All the models were developed using regression analyses. All the single point (SP), multiple point (MP), and integral models derived from host‐based disease measurements explained more variation than models derived from pathogen‐based disease measurements. SP, MP, and integral models were also compared and integral models were selected as the best for comparing disease effects as they combine the effect of disease over the whole growing season in one variable. Further, integral models were tested for the effect of different production environments on disease yield relationships. It was found that t...
机译:摘要在1995/96年和1996/97年的两个生长季节中,分别在林肯大学和坎特伯雷林肯的新西兰农作物与食品研究所进行了四个实验。一个大型数据库用于评估生产环境对疾病产量关系的影响,并比较基于病原体的疾病测量和基于宿主的疾病测量得出的不同模型。所有模型均使用回归分析开发。从基于宿主的疾病测量得出的所有单点(SP),多点(MP)和积分模型比从基于病原体的疾病测量得出的模型解释的变异更大。还比较了SP,MP和积分模型,并选择了积分模型作为比较疾病效果的最佳模型,因为它们将整个生长季节的疾病效果合并为一个变量。此外,针对不同生产环境对疾病产量关系的影响,对积分模型进行了测试。发现...

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