谷子杂交种产量与主要农艺性状的相关性及回归分析

史关燕, 王娟菲, 麻慧芳, 赵雄伟

Correlation and Regression Analysis between Yield and Main Agronomic Traits in Foxtail Millet Hybrids

Shi Guanyan, Wang Juanfei, Ma Huifang, Zhao Xiongwei

表3 谷子杂交种主要农艺性状的相关性分析

Table 3 Correlation analysis of main agronomic traits of foxtail millet hybrids

性状 Trait 穗长 Panicle length 穗粗 Panicle diameter 穗码 密度 Panicle density 穗颈长 Neck length 有效 分蘖数 Effective tillers 单株 草重 Grass weight per plant 单株 穗重 Panicle weight per plant 单株 粒重 Grain weight per plant 经济 系数 Economic coefficient 出谷率 Milled millet percentage 千粒重 1000- grain weight 产量 Yield 穗长Panicle length 1 穗粗Panicle diameter -0.042 1 穗码密度Panicle density 0.569* 0.041 1 穗颈长Neck length 0.254 -0.474 0.293 1 有效分蘖数Effective tillers -0.436 0.436 -0.002 -0.369 1 单株草重 Grass weight per plant 0.415 -0.237 0.549* -0.038 -0.062 1 单株穗重 Panicle weight per plant -0.042 0.485 -0.190 -0.496 0.583* 0.469 1 单株粒重 Grain weight per plant -0.075 0.447 -0.190 -0.499 0.559* 0.433 0.989** 1 经济系数 Economic coefficient -0.359 0.580* 0.131 -0.505 0.610* -0.220 0.721** 0.775** 1 出谷率 Milled millet percentage -0.234 -0.056 0.007 -0.159 0.043 -0.072 0.293 0.432 0.616* 1 千粒重1000-grain weight 0.605* -0.418 -0.117 0.511 -0.487 0.321 -0.229 -0.253 -0.487 -0.270 1 产量Yield 0.263 0.156 0.105 0.163 -0.242 -0.031 0.218 0.292 0.373 0.556* 0.338 1