近几年来,晚稻生育后期出现了一些非正常现象,使农民一筹莫展,值得引起重视。抽穗不整齐。主要反映在两系杂交稻,可能引起抽穗不整齐的原因较多,如品质纯度不高、环境条件包括使用农药等影响。不同原因引起晚稻抽穗不整齐的表现也不尽相同,应根据田间表现以及晚稻生长期管理、天气因素具体分析,有利于找出真正原因。一般在晚稻不同生育期气温过高,会造成不同的一些异常状况。秧田期容易提早进入穗发育阶段,部分植株可 In recent years, there have been some abnormal phenomena in the late rice growth period, which makes farmers unable to do what one needs. This deserves great attention. Heading uneven. Mainly reflected in the two-line hybrid rice may cause irregular heading many reasons, such as the purity of the quality is not high, environmental conditions, including the use of pesticides and other effects. Different causes of improper heading of late rice performance is not the same, should be based on field performance and late rice growth stage management, weather factors specific analysis, help to find out the real reason. Generally, the temperature in late rice is too high at different growth stages, which may cause different abnormalities. Seedling stage is easy to early stage of panicle development, some plants can be