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通过大豆抗病品种和感病品种在不同土壤类型条件下连续种植对大豆孢囊线虫消长及产量影响研究结果表明 :抗病品种无论在黑土或盐碱土地区种植 ,大豆孢囊线虫孢囊数量变化不大 ,在黑土地区 ,正茬和重茬 1年的产量略高于感病品种 ;但在盐碱土线虫发生区抗病品种产量明显高于感病品种 ,其孢囊量明显低于感病品种。感病品种随着重茬年限增加孢囊量逐渐增加 ,产量逐渐降低
The results of the study on the growth and yield of soybean cyst nematode by continuous cultivation of soybean resistant and susceptible cultivars under different soil types showed that the cytoplasm of soybean cyst nematode changed in both black soil and saline-alkali soil However, in the black soil area, the yield of stubble and stubble crop was slightly higher than that of susceptible varieties in one year. However, the yield of resistant varieties in saline-alkali soil nematode area was significantly higher than that of susceptible varieties, . The susceptible cultivars increased gradually with the increase of cypresses, and their yields gradually decreased