辽星系列水稻品种抗瘟性鉴定

采用混合接种方法对辽宁省水稻研究所育成的辽星系列品种进行苗期和穗期抗瘟性进行鉴定,为生产上提供理论依据。结果表明:辽星系列品种苗期对稻瘟病表现高抗的品种1个,抗病的品种5个,中抗的品种6个,中感的品种9个,其中辽星1、辽星12、辽星13、辽星14、辽星15和辽星21苗期抗病性下降,由审定时中抗变为中感。穗期表现抗病的品种4个,中抗品种9个,中感品种3个,感病品种5个。其中辽星1、辽星15和辽星18抗病性下降,由审定时的抗病变为感病。

The Rice Varieties of Liaoxing Series Resistant Identification to Rice Blast

Rice varieties of Liaoxing series which evaluated for their seedling resistance and panicle resistance to rice blast is provided by Liaoning Rice Research Institute. The results showed that rice varieties of Liaoxing series seedling in which 1 were high resistant, 5 were resistant, 6 were moderately-resistant, 9 were moderately-susceptible （Liaoxing1, Liaoxing12, Liaoxing13, Liaoxing14, Liaoxing15 and Liaoxing21 were approved to be moderately-resistant becomes moderately susceptible）. For more, there is 4 resistant, 9 moderately-resistant, 3 moderately-susceptible, 5 susceptible in panicle stage （Liaoxing1, Liaoxing15 and Liaoxing18 were approved to be resistant becomes susceptible）.