【摘要】 本试验用9个栽培红花品种为材料,对单株粒重进行了通径分析。结果表明,分枝高度、百粒重和单株有效果球数是影响单株种子产量的3个主要因素。在一级分枝数和单株有效果球数多的类型中,或者在分枝较高而粒大的类型中,选择大粒材料上,均可提高单株粒重。但是,选择技高材料时,必须兼顾始花开花天数。油用红花育种中,应特别注意通过选择来降低单株无效果球数。更多还原

【Abstract】 It has conducted the path analysis to the weight of seeds per plant of safflower in this experiment. The main results are: that branch height of a hundred seeds and number of effective number of cone per plant are three main factors to influence the yield of seeds per plant. It may increase weight of seed per plant to select the types of the seed most weight and number of seeds per plant in the materials of the rnost number of the 1st branch and effective number of cone per plant, to select materials of higher branch and bigger seed weight in the type of the biggest seeds. It is necessary that consideration must be given to the plant height and number of day begin blosson in selecting branch height. We should notice specially to reduce number of non-effective cone per plant safflower through selection in breeding.更多还原