盲目引大穗型品种不少农户引进所谓“大穗”、“巨穗”、“超大穗”、“狼尾稻”等大穗型品种,结果是,获高产的很少。因为这些品种穗子虽大,但结实率低、有效穗不足、易倒伏、感病严重、米质很差。一个品种是不是良种不能仅看是不是大穗。只有产量 Blindly Attracting Large Spike-Type Many farmers introduced big-spike varieties such as “big spike”, “giant spike”, “big spike”, and “wolf tail rice”. As a result, few high-yielding ones were produced. Because these varieties are large ears, but the low rate of solid, effective spike, prone to lodging, a serious illness, poor quality rice. A variety is not a good species can not just see is not a big spike. Only output