影响汕优１４９发芽率的几个因素四川省石棉县农业局种子站（６２５４００）苏林勇汕优１４９是今年我省重点推广的杂交中稻品种之一，它具有抗稻瘟病强、产量高、品质优的特点。但最近生产中不断有报道说该品种发芽率不高，是伪劣种子等。笔者就此问题进行了专门调查后认... Affect the Shanyou 149 germination rate of several factors Sichuan Shimian County Bureau of Agriculture Seed Station (625400) Surui Yong Shanyou 149 is the focus of this year to promote the province of hybrid rice varieties, it has strong resistance to blast, high yield, excellent quality specialty. However, the recent production has continuously reported that the varieties of germination rate is not high, such as shoddy seeds. The author conducted a special investigation on this issue after admitting ...