常州市青龙植物激素厂生产植物生长调节剂花调灵已有多年历史,经过多年的试验示范.进入了大面积推广阶段。至今已应用于杂交稻制种和不育系繁殖约120万亩,遍及南方巧个省(区),取得了明显的增产效果。我国目 Changzhou Qinglong plant hormones plant production of plant growth regulator Huaileiling has many years of history, after years of experimental demonstration. Has entered a large area of ​​promotion. So far, it has been applied to the breeding of hybrid rice and sterile lines of about 1200000 acres, all over southern Qiao provinces (regions), and achieved remarkable yield increase. My head