【摘要】 为探索蓖麻参试品系的丰产性、抗性等,2008年在湖南省浏阳市采用随机区组试验设计设置了蓖麻品系比较试验。通过对20个品系的生育期、农艺性状、单株生产力和实际每667 m2产量等调查,结果表明:从出苗始期至主穗成熟期20个品系生育期天数在88~98 d之间;31号、18号、15号等品系不但单株有效果实多,且种子百粒重也较大;20个品系植株死亡率平均为26.8%,死亡率较低的有31号<10号<8号品系,具有较强的抗病性和耐涝性。对平均单株生产力和实际每667 m2产量进行方差分析,分析结果是品系间差异不显著,单株生产力20个品系平均为207.9 g,其中250 g以上的有32号<18号<31号品系。实际每667 m2产量20个品系平均为129.3 kg,其中产量达150 kg以上的有30号<10号<31号品系。31号蓖麻在20个品系中表现是最佳的,实际每667 m2种子产量192.0 kg,平均单株生产力258.4 g,植株死亡率10.6%。更多还原

【Abstract】 In order to test the high-yield and resistance properties of Ricinus communis strains,the Ricinus communis strains comparative test based on random block design was arranged in Hunan Liuyang in 2008.The growth period,agronomic traits,yield per plant and actual yield per 667m2 of 20 strains were investigated.The results showed,the days of growth period from seedling emergence to main spike maturity was 88~98d.The single plant effective fruit number of No.31,No.18 and No.15 were in quantity,and the hundred grain weight of which were also greater.The plant mortality of 20 strains was 26.8% in average,the plant mortality of No.31,No.10 and No.8 with No.31<No.10<No.8 were lower than other strains,which had strong disease resistance and waterlogging tolerance.The variance analysis results of yield per plant and actual yield per 667m2 were not significantly different from among strains.The yield per plant of 20 strains was 207.9g in average,the yield per plant of No.32,No.18 and No.31 with No.32< No.18 < No.31 were more than 250g.The actual yield per 667m2 of 20 strains was 129.3kg in average,the actual yield per 667m2 of No.30,No.10 and No.31 with No.30<No.10 <No.31 were more than 150kg.The No.31 Ricinus communis had the best performance,the actual yield per 667m2 of which was 192.0kg,the yield per plant was 258.4g and the plant mortality was 10.6%.更多还原