水稻个别产量构成要素与产量的相关分析

The Correlation of Rice Yield and Its Components

水稻产量是由其构成要素的乘积而获得。试验结果表明 ,大穗型品种的穗粒数与产量呈正相关 ,相关系数为0.7220* ;穗数与产量也呈正相关 ,相关系数为0.0236。多穗型品种穗粒数和穗数与产量均呈正相关 ,相关系数分别为0.6913 *和0.7321* 。在吉林省气候条件下 ,多穗型品种以分蘖力与产量关系密切 ,环境要求较严 ,易高产 ;大穗型品种对环境要求较松 ,易稳产。因此 ,根据品种特性匹配栽培措施极为重要。

Rice yield is composed of panicles, grains and grain weight. The experiment results showed: The grains per panicle of big panicle variety had positive correlation(R=0.7220* ); Panicles/M2 had positive correlation with yield (R=0.0236). The panicles and grains per hill of multi-panicle variety had positive correlations with yield (R=0.6913* and 0.7321* ),respectively. In the condition of climate in Jilin Province, the tillering ability of multi-panicle type correlated closely with yield, and these kinds of varieties adapted to good invironments and could have high yields. The varieties with long panicles adapted to middle level environments, and could have stable yields. So it is very important to use suitable cultivation method according to different variety types.