杂交稻不育系纯度的鉴定,直接提供准确的数据资料, 加强种子质量监督,是抓不育系亲本的繁殖和从外地引种不育系较关键的一环,长期以来,各地一般是秋季到海南加繁的办法搞鉴定,花掉大量人力物力,而且效果不太理想。我县种子公司,从1992年起,采取直播不育系的办法,把制种与纯度鉴定相结合,就地简易鉴定其纯度。 1.布袋准备与取样用透气透水的棉布做成可装150克干稻种的小布袋若干个,农户交售(或从外地引进)稻不育系时,每户取75～100克样品装一小袋,同时将样品号数牌装入袋,拴紧袋口,随不 Identification of the purity of CMS lines directly provide accurate data and strengthen the supervision of the seed quality is to grasp the male parent sterile line and the introduction of sterile lines from the outside more crucial part of a long period of time, Hainan to add methods to engage in identification, spend a lot of manpower and resources, and the effect is not ideal. My county seed company, from 1992 onwards, direct broadcast sterile lines approach, the combination of species and purity identification, simple identification of its purity on the spot. 1. Bag preparation and sampling Made of breathable and water-permeable cotton cloth can hold 150 grams of dry rice, a number of small bags, peasant households to sell (or from the field introduction) of male sterile lines, each household to take 75 to 100 grams of sample equipment A small bag, at the same time the number of samples into the number of bags bag, tied bag, no