【摘要】 以近几年吉林省水稻品种区域试验结果为依据,系统地比较了吉林省不同熟期水稻品系产量及主要农艺性状表现,并分析了产量与主要农艺性状间的关系。结果表明:不同熟期水稻品系产量年度间增幅不大;中早熟组产量与7个农艺性状相关性均不显著;中熟组产量与着粒密度、每穗总粒数分别呈极显著和显著正相关,与千粒重呈显著负相关;中晚熟组产量与每亩有效穗数呈极显著正相关;晚熟组产量与千粒重呈显著正相关。更多还原

【Abstract】 In this study,based on the data from the Report of Rice Regional Trials in Jilin province,systematic analysis of yield and main agronomic traits with different maturities and their correlations was conducted.The results showed that yields of varieties with different maturities did not changed greatly in years.For mid-early maturity varieties,the yield was not significantly correlated with other seven agronomic traits.The yield of mid-maturity varieties was significantly correlated with seed setting density and total ear grains,but negatively and significantly correlated with 1000-grain-weight.The yield of mid-late maturity varieties was significantly correlated with effective panicles,whereas the yield of late maturity varieties was significantly correlated with 1000-grain-weight.更多还原