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在现行区域试验方法上，丰产性和抗病性分别由不同承试点鉴定。抗病性在人工病圃鉴定、丰产性在轻病田鉴定。这样的分别鉴定不能正确评价参试品系在重病田的丰产性。抗棉花黄萎病品种，在黄萎重病田种植比耐病品种增产显著，在轻病田种植，比耐病品种增产不显著甚至减产。在零
In the current regional test methods, high yield and disease resistance were identified by different bearing test. Disease resistance in the artificial disease identification, high yield in the identification of light sickness. Such a separate identification can not correctly evaluate the high yield of the test strain in the seriously ill. Anti-cotton Verticillium wilt varieties increased significantly yielding in the disease-resistant varieties of yellow-tainted and disease-resistant than in the resistant varieties, and did not significantly increase or even reduced the yield of resistant varieties. At zero