作物重要农艺性状基因 quantitative trait locus ; QTL
近等基因系是研究作物性状表现与功能的重要材料。
The near-isogenic lines (NILs) are the important materials in studying the performance and function of the crop traits.
因此，研究水热条件对土壤、作物性状影响，对旱地农田生产有十分重要的意义。
So it has a great significance for arid land production to study the effect of water and temperature on the properties of soil and crops.
利用RNA沉默技术，人们正对大量基因进行功能研究，并在作物性状改良方面取得了一些可喜成果。
People are now using the technology of RNA silencing to study the functions of lots of genes, and have got some good results in crop character improvement.
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