杂交水稻父本旱地育秧制种技术四川省大竹县种子公司（６３５１００）兰廷明杂交水稻制种产量的提高，必须有足够的父本花粉作保证。现阶段父本一般采用温室两段育秧方式，它有两大缺点：一是要建造温室，成本高；二是要经过秧田寄栽后再移栽至大田，环节多。如采用旱地育... Raise seedlings of hybrid rice in dryland seedling breeding technology Dazhu County Seed Company in Sichuan Province (635100) Lam Tingming hybrid rice seed yield increase, there must be enough for the assurance of paternal pollen. At this stage, the male parent usually uses two sections of greenhouses to raise seedlings. There are two disadvantages: First, to build a greenhouse, the cost is high; second, it is necessary to transplanted the seedlings to the field after being transplanted in the seedling field. Such as the use of dry land ...