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1997～ 2 0 0 0年间 ,鉴定了 332份我国新育成的水稻品种 (材料 )对稻瘟病、白叶枯病、细菌性条斑病、白背飞虱和褐飞虱的抗性 ,并分析其米质。筛选出中抗上述一种水稻病虫害的品种 (材料 )共计 397份·次 ,双抗和三抗的品种 (材料 )分别为 76、19个 ,四抗品种有K89-B5 ,五丰占 2号 ,中组 74 ,中组 75 ,中组 84和中鉴 96 -3共 6个 ;4项主要优质米指标均达到了农业部部标准优质二级米以上有 33个。优质一级米的品种 (材料 )有巨丰占 ,CR99,92 -34,94 -30 8,辽 94 7,吉 98-2 80 6和龙粳 8号 7个。改进或完善了水稻育种新品种 (材料 )的抗病虫性鉴定方法 ,制订了相应的评价标准和指标 ,还讨论了改良水稻品种的抗病虫性与提高稻米品质等问题。
From 1997 to 2000, 332 new rice varieties (materials) that were bred in China were identified as resistance to rice blast, bacterial leaf blotch disease, whitebacked planthopper and brown planthopper, and their rice quality. A total of 397 varieties (materials) were screened for the resistance to the above rice diseases and insect pests, followed by 76,19 varieties (materials) of double and triple antibodies, K89-B5 of the fourth resistant varieties and No.2 of Wufeng , 74 in the group, 75 in the group, 84 in the group and 96-3 in the Kam. A total of four major high-quality rice indicators have reached the Ministry of Agriculture, the Ministry of the second-class standards for more than 33 meters. There are Jufengzhan, CR99, 92 -34, 94 -308, Liao 94 7, Ji 98-2 80 6 and Longjing 8 in the varieties of high quality rice. Improved or improved the identification of new varieties of rice breeding (materials) against insect pests and diseases, developed the corresponding evaluation criteria and indicators, but also discussed the improved resistance to pests and diseases of rice varieties and improve the quality of rice and other issues.