石硖龙眼未成熟种子种胚的萌发及成苗的研究
Journal of Tropical and Subtropical Botany(2010)
Abstract
以花后82~87 d的石硖龙眼(Dimocarpus longan Lour.‘Shixia’)未成熟果实在4℃贮藏24 h,研究种子与种胚的萌发与成苗情况。结果表明:河沙直播未成熟胚的最终成苗率达到80%,远高于离体培养未成熟种子的最终成苗率(12.63%~44.03%);虽然4℃的低温贮藏略为推迟了河沙直播未成熟胚的萌发时间,但对最终成苗率及幼苗生长的影响不大,这对龙眼杂交育种中未成熟种子种胚的挽救具有较好的应用价值。
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Key words
Germination,Dimocarpus longan Lour.,Embryo,Seed,Seedling raising
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