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大豆孢囊线虫病多发生在东北、华北等地,但近年来调查,我省淮北大豆产区亦发现其为害.这种线虫的发生世代,据刘汉起等研究,在黑龙江省的大豆上一年可发生三代, (《黑龙江农业科学》1981年5期);又据陈金堂等研究,在北京地区一年可发生五到六代(《植物病理学报》第11卷1期);在我省一年发生几代? 尚未见报道.1983年我们在砀山县农科所进行了研究,现将结果简报如下: 一、材料与方法在砀山县农科所重病地中,6月11日播种大豆,每3天挖取大豆3株,在清水中轻轻洗净后,称取根1克,用煮沸的0.05%酸性品红乳酚油染色40—50秒钟,取出用
Soybean cyst nematode disease occurred in the northeast, north China and other places, but in recent years, the survey, the province also found its harm Huaibei soybean production.This generation of nematodes, according to Liu Hanqi and other studies in Heilongjiang Province, the year before the soybean Three generations can take place (“Heilongjiang Agricultural Sciences” 1981 the fifth period); According to Chen Jintang and other studies, one to five generations can occur in Beijing in the sixth generation (“Plant Pathology,” Volume 11, Issue 1); in our province A few generations a year has not been reported in 1983. We are in Dangshan County Agricultural Research conducted a study now report the results are as follows: First, materials and methods in Dangshan County Agricultural Diseases, sowing soybean on June 11 , 3 days every 3 dug Soybean, washed gently in water, weighed 1 g of root, with a boiled 0.05% acid magenta lactose oil staining 40-50 seconds, remove