【摘要】 使用由日本引进的6 种海带的雌雄配子体进行了种间正反杂交, 测定了30 个杂交组合的受精率, 有选择地培育出18 个组合的F1 杂交海带幼苗并栽培为杂交海带成体。测定了各杂交组合F1 孢子体的长度、宽度。报道了13 个组合的孢子体在藻体长度、9 个组合在藻体宽度生长方面表现出的杂种优势, 其中6 个组合在藻体长度和宽度方面杂种优势明显, 是杂交育种的优良组合。更多还原

【Abstract】 Interspecific reciprocal crossing experiments of female and male gametophytes of 6 Japanese species of \%Laminaria\% were carried out, and fertilization rates of 30 combination were measured Frond length and width of hybrid plant F\-1 were also measured Heterosis appeared in frond length in 13 combination and width in 9, among them 6 were selected to be good combinations更多还原