【摘要】 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。更多还原

【Abstract】 Qiongxiang-1S,an indica type upland rice PTGMS line was directly selected for many years and bred by Rice Research Institute,Hainan Academy of Agricultural Sciences through applying the mutant of low seed setting percentage from good quality upland rice resources introduced from abroad,and passed the evaluation organized by Hainan Provincial Science and Technology Department in June 2004.The characteristics of Qiongxiang-1S are as follows: steady sterilitas,strong heritability of superior character of combination,high seed setting rate,strong drought-resistance,good agronomic characters,good grain quality with jasmine sweet-smell.The combination Qiongxiangliangyou-Yuefengzhan matched by Qiongxiang-1S and Yuefengzhan variety is also of good quality and highyield,strong drought-resistance and wide adaptability,and was certified and registered by Hainan Committee for Crop Variety Registration in December 2004.更多还原