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这类地方种质的绝对产量不高，但其稳产性和在干旱贫瘠条件下的丰产性优于杂交种。
Although this kinds of drought-resistance germplasm have a low absolute yield, their fertility and stability of yield under drought and infertile condition preceded crossbreed.
但在目前的生产条件及生产水平下则是以均衡型、多穗型品种较为经济，且易获得高产稳产。
The variety of equation type and multiple spike type were more economic than weighty spike type under general production condition, and easily got high and stable yield.
不同水分条件下，植株稳产性主要受单株穗数、有效小穗数及穗下节长的影响；
Under different water regimes, spike number per plant (SNP), effective spikelet per spike (ESPS) and peduncle length (PLE) contribute a lot to the stable grain yield.
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