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几年来,我们在选育籼稻早熟、高产、稳产新品种的工作当中,对早、中籼稻品种间杂种早熟性的遗传规律作了初步的探讨。供试材料主要是若干个国际稻(IR)品种和江南的早籼品种。本文简结了以下四个方面的内容:
In the past few years, we have conducted preliminary studies on the genetic rules of the early maturity and inter-Indica hybrids in the breeding of new varieties of early indica, high yield and stable yield. The test materials are mainly a number of International Rice (IR) varieties and early indica varieties in Jiangnan. This article concludes the following four aspects: