<正> Based on the historical data over 15 years from five counties including Xiaoshan, Longyou, Pujiang, Wenling, and Huangyan, Zhejiang Province, a series of f
Located in the subtropical zone of South China, Guangdong Province is rich in wild rice genmplasm. The 3 wild rice species, being indigenous to China, O. rufipo
<正>The rice planthopper,including brown planthopper(Nilaparvata hugens Stal)and white—backed planthopper(Sogata furcifera Hor-vath),is one kind of tropical pe