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本文对9个紫花苜蓿品种种子硬实性及其解除方法的研究表明,苜蓿种子的硬实性与品系、形态、种皮颜色、粒级有明显的关系。格林苜蓿的硬实率最高,为19%,抗旱、公农一号和猎人河苜蓿的最低,为9%;螺旋形种子的硬实高于多角形的和肾形的,而多角形的又高于肾形的;棕黄色种皮的硬实率高于黄色的。除公农一号苜蓿外,总的规律是粒级大的种子硬实率低。用细沙摩擦法对消除9个苜蓿品种的硬实均有良好效果。
In this paper, the study on hardiness of nine alfalfa cultivars and their removal methods showed that the solidity of alfalfa seeds was obviously related to the lines, morphology, seed coat color and grain size. Green alfalfa had the highest rate of hardwood solidity of 19%, and the lowest rate was 9% for drought-resistant, Gongnong-1 and hunter-alfalfa. The hardness of spiral-shaped seeds was higher than that of polygons and kidney-shaped, while the polygons were higher than Kidney-shaped; brown seed coat hard rate higher than the yellow. In addition to the public agricultural number one alfalfa, the general rule is that the grain size of the seed hard rate is low. Fine sand friction method to eliminate nine alfalfa varieties of hard real good results.