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琼香1S是海南省农科院水稻所利用国外优质旱稻资源的一株结实率低的变异株,经多年定向选择育成的旱稻光温敏核不育系,2004年6月通过海南省科技厅组织的省级技术鉴定。琼香1S不育性稳定,组配组合优质性状遗传力强,异交结实率高,抗旱性强,农艺性状好,米质特优,具茉莉花香味。其与水稻粤丰占配制组合琼香两优粤丰占米质优,产量高,抗旱性强,适应性广,2004年12月通过海南省农作物品种审定。
Qionghon 1S is a low photosynthetic rate-variant mutant strain of rice from Hainan Academy of Agricultural Sciences using high-quality upland rice resources from overseas. It has been bred for many years by the selection of upland rice Photo-thermo-sensitive genic male sterile lines. It passed the Science and Technology Department of Hainan Province in June 2004, Organization of the provincial technical appraisal. Qionghong 1S sterility is stable, the combination of high quality traits heritability strong, high rate of outcrossing, drought resistance, good agronomic character, excellent quality of rice, jasmine scented. Its combination with rice accounted for the combination of Guangdong and Hong Kong Yuanyou accounted Feng Jimo excellent quality, high yield, drought resistance, wide adaptability, in December 2004 through the approval of the crop varieties in Hainan Province.