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1.目测法,即观察法。首先观察种子的外观,检查有无空瘪,皱皮,害虫侵染,裂损及带霉味的种子,种皮颜色,光泽是否正常。凡是质量好的砧木种子籽粒饱满,具固有皮色并富有光泽,种子群体颗粒整体,纯度高,反之则量差;其次,可从中间切开砧木种子,观察种胚和子叶的发育情况,从而初步确定砧木种子的质量,凡是质量好的砧木种子胚和子叶呈乳白色,有弹性,生活力强,反之,则质量低劣,不宜作种用育苗。
1. Visual method, that is, observation method. First observe the appearance of the seeds, check whether the empty deflated, wrinkled skin, pest infection, cracking and musty seeds, seed coat color, gloss is normal. All the rootstocks with good quality have the seeds full of seeds with the natural skin color and luster, the whole seed population particles are of high purity and conversely the difference is poor; secondly, rootstock seeds can be cut from the middle to observe the development of seed embryos and cotyledons Preliminary determination of the quality of rootstock seed, rootstock and cotyledon of any good quality rootstock and milky white, flexible, strong vitality, on the contrary, the quality is poor, should not be used for seedling.