干物质积累量，拔节期、抽穗期所有供试品种均随施氮量的增加而增加，籼型品种积累量高于粳型品种；
The accumulation of dry material increased with the increasing of ATNF during jointing and heading stage, furthermore Indica were higher than Japonica.
本研究中，我们从籼稻品种籼黄占的自然突的株系中发现一无花粉型温敏型不育的突变体-籼s。
In this study, XianS, a spontaneous mutant with stable male sterility from an indica rice cultivar Xianhuangzhan, was classified as a non-pollen type TGMS line.
目的：弄清粳型亲籼系花粉育性和小穗育性的遗传规律，选育优良水稻品种。
Aim: To understand the genetics of the pollen fertility and spikelet fertility of F1 hybrids of the indica-compatible japonica lines in rice o.
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