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据观察,B型不育系杂交制种,不育系一般含可育授粉株5-10%,高者达20%。这些可育授粉株,植株形状与不育系无多大区别,不同的是,气温在32C以下时,花药黄色不开裂;当气温超过32℃时,便大量开花散粉,严重干扰制种纯度。对于这些介乎不育系和保持系中间型的可育授粉株,学术界称为同质
It is observed that type B CMS hybrids, sterile lines generally contain fertile pollination 5-10%, the highest up to 20%. These fertile pollinated plants, plant shape and sterile lines without much difference, the difference is that when the temperature below 32C, the anther yellow does not crack; when the temperature exceeds 32 ℃, then a large number of flowering loose powder, seriously interfere with seed purity. For these fertile pollination lines that are intermediate and maintainer lines, the academic community calls homogeneity