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本试验以9个栽培红花品种为材料,进行了红花籽实含油率相关性状的通径分析。结果表明,种壳率是影响籽实含油率的首要因素,分枝高和株高次之。这3个性状两两间的互作效应大于单一性状对含油率的影响。对含油率的决定程度,以分校高与种壳率的互作效应居于首位。百粒体积和每果粒数保持相对稳定,降低种壳率或分枝高度,可有效提高含油率。其它性状不变,选择植株较高者,是提高含油率的有效途径。
In this experiment, 9 cultivated safflower cultivars were used as materials to carry out the path analysis of the related traits of oil content of safflower seeds. The results showed that seedling shell rate was the primary factor affecting seed oil content, followed by high branching and plant height. The interaction effect between these two traits was greater than the effect of single trait on the oil content. The degree of oil content of the decision to sub-school height and seed shell rate of interaction in the first place. The volume of one hundred grains and the number of grains per pod remained relatively stable, reducing seedling shell rate or branch height, which could effectively increase the oil content. Other traits unchanged, the higher the choice of plants, is an effective way to improve oil content.