该项目对水稻潜根线虫发生规律、浸染来源、病原消长和分布规律、寄主范围、肥料对病害的影响和防治指标开展研究，新发现水稻潜根线虫在田间水平分布接近均匀状态，是田间分布的一种新类型；明确了冬种旱作、水旱轮作、犁冬晒白等农业防治措施的防病增产效果和防治机理；提出 The project of rice rootstock nematode occurrence law, sources of dissemination, pathogen growth and distribution, the host range, the impact of fertilizer on the disease and prevention and control indicators to study the new discovery of rice rootstock nematode in the field horizontal distribution close to the uniform state is the field distribution ; Clarified the effect of disease prevention and increase yield and prevention and cure mechanism of agricultural measures such as dry farming in winter, rotation and precipitation of water and wind, plow and winter sunburn; put forward