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随着水稻生产水平的提高,稻白叶枯病对广东省商品粮稻区水稻生产的威胁也日益严重,而抗病育种则是病害防治中的一项经济、省工、收效大,并能减少环境污染的重要措施。因此,选育既丰产、又抗病的水稻新品种是当前生产的迫切需要。 可是,在通常采用的抗病育种方法中,往往因为难于按预期目标把抗病基因与控制丰产性状的多种基因有效地组合在一起,以致在一定程度上影响了抗病品种的增产效益。为了解决
With the improvement of rice production level, the threat of rice bacterial leaf blight to the rice production in the commodity grain-growing area of Guangdong Province is also increasingly serious. However, the disease-resistant breeding is an economical, labor-saving and effective method for disease prevention and control, Environmental pollution is an important measure. Therefore, the selection of new rice varieties with high yield and disease resistance is the urgent need of current production. However, in the commonly used methods of resistance breeding, it is often difficult to combine the resistance genes with many genes that control the productive trait as expected, which may affect the yield increase of the resistant varieties to a certain extent. In order to solve