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2007年湖北省孝感市的安陆、大悟、孝昌、应城以及广水市等地种植的部分杂交中稻组合普遍出现了空壳率高、结实率低现象,尤其以Ⅱ优3229组合表现突出,造成稻谷不同程度减产,教训深刻。为了探明空壳原因,制定相应对策,我们根据本县实际进行了深入细致的调查研究。
In 2007, part of hybrid mid-season rice cultivated in Anlu, Dawu, Xiaochang, Yingcheng, Guangshui and other places in Xiaogan City of Hubei Province generally experienced the phenomenon of high shell percentage and low seed setting rate, especially with the combination of Ⅱ You 3229, Resulting in different levels of rice yield reduction, profound lesson. In order to find out the reason of the shell and make corresponding countermeasures, we carried out in-depth and meticulous investigation and research according to the actual situation in this county.