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落葉風(fēng)塵金蟲 (知名作家)
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[求助]
生物論文漢譯英 小麥遺傳多樣性
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| 本研究通過調(diào)查60份小麥品系的9個農(nóng)藝性狀,研究小麥產(chǎn)量性狀的主要構(gòu)成因素和遺傳規(guī)律,并通過變異分析和聚類分析對小麥品種的遺傳多樣性進行分析,以為更好的選配雜交組合和提高育種成效提供理論與實際指導(dǎo)。本研究發(fā)現(xiàn),參試品種在不育小穗數(shù)方面具有較大的變異潛力,穗數(shù)、株高和千粒重等性狀變異幅度居中,在小穗數(shù)和穗粒數(shù)性狀上變異幅度很小。盡管有些性狀的變異可能并不符合目前生產(chǎn)的要求,但其所具有的基因資源可能是特定育種目標(biāo)的基礎(chǔ),這樣才能為親本選擇提供更大的空間。 |
金蟲 (知名作家)
至尊木蟲 (著名寫手)
| The main factors and genetic rules of wheat yield traits were studied through the investigation of 9 agronomic traits in 60 wheat strains, furthermore, the genetic diversity of wheat varieties were also analysized by variation analysis and cluster analysis to provide theoretical and practical guidance for matching hybrid combinations and improving the efficiency of breeding.The results showed that testing varieties in sterile spikelet had larger variation potential, ear number per spike, plant height and the character of variability were in the middle, and in the grain number spikelet number and panicle traits the variation range were small.Though variation of some characters may not accord with the requirement of the current production, the genetic resources which possessed may be the basis of particular breeding goal, so as to provide more space for parent selection. |

至尊木蟲 (著名寫手)

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