2012•Shanghai nongye xuebaoRequires access
Breeding of a new late japonica rice variety‘Baonong 203' of high yield and good quality and study of its characteristics
Sheng Hua-fang
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Abstract
A new late japonica rice variety 'Baonong 203' was bred by means of haploid tissue culture of the F_1 pollen from crossing between 'Wuyunjing 7' and 'Baonong 14',being 105 cm in plant height,2.1-3.0 million per hectare in productive ears,145 - 155 grains a spike,90%in seed-setting rate,25-26 g in 1000-grain weight,and about 160 d in whole growth period.The variety was high in rice yield,good in rice quality and comprehensive resistance,and suitable for being planted in Yangtze River Delta region or similar environmental areas.