青海省海西州春小麦品种比试验初报

目的]筛选出适合海西州种植的高产、优质春小麦品种。方法]于2004年进行了10个春小麦品种(系)的品比试验,调查比较它们的生育期、农艺性状、经济性状和产量。结果]供试春小麦品种在海西州均可正常成熟。宁春39号的千粒重和折合产量最高,分别为60.6 g和8972.6 kg/hm2,分别较对照(宁春4号、乐麦5号)增加7.21、0.6 g和12.0%、9.2%,折合产量差异显著。其余品种(系)的折合产量为6095.9~7808.2 kg/hm2,较宁春4号、乐麦5号减产2.6%~23.9%、2.5%~25.8%,暂不宜在海西州种植。结论]宁春39号可在海西州进行生产试验。

Primary Report on the Variety Comparative Test of Spring Wheat in Haixi Prefecture of Qinghai Province

Objective] The study aimed to screen out the spring wheat variety with high yield and good quality,which was suitable for planting in Haixi prefecture.Method] The variety comparative test on 10 spring wheat varieties(lines) was conducted in 2004 to investigate and compare their growth periods,agronomic characters,economic characters and yields.Result] The tested spring wheat varieties could mature normally in Haixi prefecture.The 1 000seed weight and conversion yield of Ningchun 39 were highest,being 60.6 g and 8 972.6 kg/hm2 resp.and compared with the contrast varieties Ningchun 4 and Lemai 5,they increased 7.2,10.6 g and 12.0%,9.2% resp.The difference on conversion yield was significant.The conversion yields of the other varieties(lines) were 6 095.9～7 808.2 kg/hm2,compared with Ningchun 4 and Lemai 5 they reduced 2.6%～23.9% and 2.5%～25.8% resp.They were not suitable for planting in Haixi prefecture now.Conclusion] The production experiment of Ningchun 39 could be conducted in Haixi prefecture.