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甜研303及甜研304是高糖、抗病型多倍体甜菜品种,二者均由同一母本四倍体品系甜425分别与父本甜202和甜217品系杂交而成。甜研303和甜研304品种的共同特点是: 1.含糖率高。甜研303在全国8个省区的区域试验中,平均含糖16.2度,比当地对照品种增加含糖2.2度。甜研304在全国区试中平均含糖16.5度,比当地对照品种提高1.5度。两品种全国150个试验点次平均提高含糖1.1度。 2.抗病性强。对根腐病和褐斑病有
Sweet red 303 and sweet red 304 were high sugar and resistant polyploid beet varieties, both of which were obtained by crossing the tetraploid tetraploid sweet 425 of the same female parent with sweet 202 and sweet 217 lines of paternal, respectively. Sweet study 303 and sweet study 304 varieties common features are: 1. High sugar content. Sweet research 303 in the eight provinces and autonomous regions in the region of the experiment, the average sugar content of 16.2 degrees, than the local control varieties increased sugar 2.2 degrees. Sweet research 304 in the national district test average sugar content of 16.5 degrees, 1.5 degrees higher than the local control varieties. Two varieties of 150 test points nationwide average increase in sugar 1.1 degrees. 2. Disease resistance. There is root rot and brown spot