湛江市杂优种子联合公司,是从事杂交水稻种子‘生产、科研、经营’三位一体的专业性公司,自1981年成立以来,十分注重种子质量,被用户誉为‘种子质量信得过’的单位。该公司在种子质量管理中,主要抓了以下几项: 一、抓好制、繁种亲本的提纯复壮,供用的亲本要求用原种或原种一代。建立了提纯复壮的生产基地,采用‘一选三圃’法繁殖不育系。每年经配对选穗套袋100～200穗行,经花粉育性镜 Zhanjiang City hybrid seed company, is engaged in hybrid rice seeds ’production, research, management’ Trinity professional company, since its establishment in 1981, attaches great importance to the quality of seeds, the user as the ’seed quality trustworthy’ units. The company in the seed quality management, the main catch the following: First, do a good job system, breed purification and rejuvenation of the parent, for the parent with the original species or species of the original generation. The establishment of a purification and rejuvenation of the production base, using ’one election three Pu’ method of breeding male sterile lines. Paired every year 100-200 ears selected bagging, fertility by the mirror