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异品种花粉授粉在杂交当代存在杂种优势效应。There are heterosis of single hybrids re-cross.

油菜杂种优势利用途径主要有三系法和两系法。There are two ways in utilization of heterosis in rapeseed.

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利用杂种优势是作物育种重要途径之一。Using the heterosis is one of the important ways in breeding cultivars.

并利用该不育系试配了几个杂种优势明显的甘蓝杂交新组合。It has been used to developed several crossbreed with obvious heterosis.

随着发育进程的推进,抽穗期的杂种优势最强。Heterosis appeared strongest in heading period with developmental stages.

甘蓝型油菜主要农艺和产量性状的杂种优势及其分离世代的分析。Heterosis and segregation on agronomic and yield traits in brassica napus l.

杂种后代存在超亲子代,表现一定的杂种优势。There were some transgressive progenies in hybrids which exhibited heterosis.

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中国湖南是大规模开发水稻杂交优势的第一个省份。In China, Hunan is the first province to commercially exploit heterosis in rice.

研究并分析了胞质雄性不育在杂种优势利用上的前景。The author further analyzed the prospect of utilization of heterosis on pepper's CMS.

雄性不育的研究对于杂种优势的利用具有重要意义。The study of plant male sterility plays an important role on utilization of heterosis.

普通丝瓜间杂交产量、果长优势明显,产量相关性状的优势较大。Yield and length of fruit among hybrid in Luffa cylindrical Roem had obvious heterosis.

本研究利用RAPD分子标记方法预测火炬松杂交组合优势。The paper studied on prediction of heterosis in Pine Taeda Using the RAPD Molecular Markers.

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甘蓝型油菜雄性完全不育系在杂种优势利用中具有重要作用。Complete male sterility of Brassica napus L plays an important role in heterosis utilization.

裂果特性有明显的杂种优势,优势的方向在不同组合间有很大的差异。Crack characteristics displayed a strong heterosis but its direction depended on combinations.

随着生物尖端技术广泛利用在棉花杂交育种上,将促进棉花杂种优势利用。The heterosis will be abroad utilized as point biological technology used in cotton crossbreed.

结果表明,南瓜自交系的杂交后代普遍存在杂种优势。The results showed that there existed commonly the heterosis in crosses of pumpkin inbred lines.

这为进一步深入探讨杂种优势形成机理奠定了一定的基础。The results obtained in this study will be helpful for further elucidating mechanism of heterosis.

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一个基因复本发生的突变诱发了形成杂交优势的适量的成花素产生。A mutation in one copy of the gene results in the exact dose of florigen required to cause heterosis.

双亲酯酶同工酶的差异在一定程度上能反映杂种优势的大小。The differences of Esterase between parents can reflect heterosis level of hybrid in a certain degree.

粗山羊草细胞质对普通小麦细胞核之间有一定的核质杂种优势。There was sure nucleo-cytoplasmic heterosis between Ae. squarrosa L. cytoplasm and wheat cell nucleus.