本文对30个品种(系)的主要性状与籽粒产量间进行了相关通径分析。
In this paper, correlations and path analysis have been done between main characters and seed yield in 30 varieties (lines).
结果表明，（1）籽粒颜色和饱满度与产量及品质性状的相关和偏相关均不显著；
The result showed(1) the correlation and partial correlation relationships of grain color, plumpness to yield and quality characters were not significant.
粘度性状与籽粒营养品质的相关不显著，仅有糊化时间与成熟籽粒产量相关显著。
There were no clear correlations between viscosity characters and grain quality, only PTP were significantly correlated with maturity kernel yield.
利用7个优质小麦品种（品系） ，分析了优质小麦籽粒产量与品质性状的关系，以及品质性状之间的关系。
The relations between kernel yield and quality characters and the relations among quality characters of high quality wheat were analyzed using 7 high quality wheat varieties(lines).
应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。
Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.
可把籽粒吸水重和籽粒膨胀体积作为品种豆腐产量的间接选择性状。
Waterweight soaked by seeds and expansive volume of seeds Can be used for indirect variety selection of tofu yield.
水稻籽粒的主要成分是胚乳，胚乳的发育与产量性状密切相关。
Endosperm is the main part of rice seed. The development of endosperm is closely related with the productive property of rice.
结果表明，所研究性状中千粒重、穗行数、穗粗、行粒数和出籽率等对籽粒产量有较大的正直接作用，并且以前两者最为重要。
The results show that 1000 grain weight, rows per ear, ear diameter, kernels per row and kernel percentage have higher positive correlation with kernel yield and the first two are most important.
第8染色体22.4 ~ 23.6位点上检测到成熟期影响稻谷产量、稻草氮素含量、稻谷氮素含量和氮素籽粒生产效率等性状的QTL；
Morever, at mature stage, QTLs for GY, rice straw nitrogen content, grain nitrogen content, NGPE were located at 22.4 ~ 23.6 on chromosome 8;
第8染色体22.4 ~ 23.6位点上检测到成熟期影响稻谷产量、稻草氮素含量、稻谷氮素含量和氮素籽粒生产效率等性状的QTL；
Morever, at mature stage, QTLs for GY, rice straw nitrogen content, grain nitrogen content, NGPE were located at 22.4 ~ 23.6 on chromosome 8;
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