二、四倍体萝卜光合特性比较研究表明：四倍体叶片厚度、叶绿素含量和叶面积明显高于二倍体，且其气孔增大，密度减小。二倍体和四倍体的......

The objective was to gain proof of genome damage-repair induced mitotic slippage process (MSP) to 4n-diplochromosome ske......

用兰州百合鳞片气培诱导小鳞茎，培养不同时间后用不同浓度的秋水仙碱处理带小鳞茎的鳞片，然后转入无菌培养，3个月后对植株进行倍性鉴......