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Breeding of Qian Liangyou 58, a Two- line Hybrid Rice with High-yielding and Good Quality

机译：高产优质两系杂交稻黔两优58号的选育

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摘要

Qian Liangyou 58, a new two-line hybrid rice combination with high-yielding and good quality was developed with the cross between 2136s (an indica dual-purpose genie male sterile line) and a male parent M86. In Guizhou Province, its average yield was 8. 51 t/hm~2 and 5. 55% higher than that of standard variety in regional trials in multi-locations from 2002 to 2003, 8. 28 t/hm~2 and 10.11% higher than that of standard variety in performance trials in five-locations in 2003, and 10. 985 t/hm~2 in high-yielding cultural experiments at Guiyang from 2002 to 2004. It has high and stable yield, good grain quality, and extensive adaptability, better resistance to blast and strong tolerance to low temperature. It can be cultivated in middle and high altitudes. The Guizhou Committee of Crop Variety Release registered it as a commercial cultivar in April 2004.
机译：钱良友58杂交水稻高产优质优质新两系杂交水稻，以2136s（an稻两用灵芝雄性不育系）与公本M86杂交。在贵州省，2002年至2003年的多地点区域试验的平均产量比标准品种的平均产量高8. 51 t / hm〜2和5. 55％，分别为8. 28 t / hm〜2和10.11％。 2003年在5个地区进行的性能试验均高于标准品种，在2002年至2004年贵阳市的高产文化试验中，产量高于标准品种10. 985 t / hm〜2。广泛的适应性，更好的抗爆炸性和对低温的强耐受性。它可以在中高海拔地区种植。贵州省农作物品种发行委员会于2004年4月将其注册为商业品种。

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