【摘要】 通州、如皋两市的田间调查和室内考种结果表明,稻曲病对水稻的为害主要表现为:增加单穗病粒率,降低结实率,同时对病粒附近健粒,尤其是对靠近主轴的稻粒的千粒重有影响。通径分析结果显示,其为害损失率,主要决定于病粒率,其次是结实率。更多还原

【Abstract】 The results of field investigation and indoor yield evaluation in Tongzhou city and Rugao city showed that main damages of rice false smut to rice were as follows: increasing unhealthy grain rates, reducing setting percentages, meanwhile infesting healthy grains near the unhealthy grains, especially grain weight per thousand grains close to the major rachis. The results of correlation analysis indicated that the damage rates were mainly related to the rate of unhealthy grains, and then to setting percentage.更多还原