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以循化红线辣椒为研究对象,结合不同栽培地特点和降雨量因素研究了2009—2014年6年间循化县线辣椒疫病多发区积石镇和查汗都斯乡各地发病率。结果表明:沙壤地、半阴半阳地、阴湿地及积水地平均发病率分别为4.54%、6.87%、10.63%和20.69%;连作年限1~4年的地块的平均发病率分别为2.61%、5.03%、17.05%和26.34%;从2009—2014年,循化积石镇新建村地块发病率分别为0、10.60%、2.25%、18.30%、7.70%和12.55%。表明沙壤地发生最轻,其次为半阴半阳地,再是阴湿地,积水地发病最重,同时种植地连作时间越长,发病越严重,6月降雨量大,也有利于疫病发生。该结果将为循化红线辣椒疫病的防治提供理论参考。
Taking Xunhua red peppers as the research object, combining with the characteristics of different cultivation sites and rainfall factors, the incidence of the disease in Jishi town and Chahanuodu township of Xiangya County in the six years from 2009 to 2014 was studied. The results showed that the average incidence rates of sandy soils, semi-yin and semi-yangs, wetlands and stagnant waters were 4.54%, 6.87%, 10.63% and 20.69% respectively. The average incidence rates of the plots with successive years of 1 ~ 4 years were And 2.26%, 5.03%, 17.05% and 26.34% respectively. From 2009 to 2014, the incidence rates of Xinjian Village plot in Xunhua County were 0,10.60%, 2.25%, 18.30%, 7.70% and 12.55%, respectively. The results showed that the littoral area was the lightest, followed by the half-shade half-Yang area, then the wet-wetland area and the heaviest waterlogging area. Meanwhile, the longer the continuous planting time, the more serious the disease was, the more rainfall in June and the disease occur. The results will provide a theoretical reference for the prevention and cure of pepper blight in Xunhua red line.