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- Relationship Between the Flag Leaf and the Grain Weight Per Spike in Wheat 小麦旗叶与穗粒重关系的研究
- Relationship between the flag lear and the grain weight per spike in spring wheat under lower density 稀植栽培条件对春小麦旗叶与穗部性状影响的研究
- Grain weight per spike 穗粒重
- Results showed that a total of nine QTLs controlling grain weight per panicle were detected in two environments. 上位性是控制水稻单穗粒重遗传变异的一个重要的遗传组分。
- In population combining ability variance, the additive variance of the grain weight per plant (GWP) is 57.72%, the inadditive variance is 42.28%. 各性状的群体配合力方差组成中,单株产量的加性效应占57.;72%25,非加性效应占42
- The above-mentioned results indicated that LM21 carbon metabolism characteristic was superior to YN15.That was physiology foundation for weight per 1000 kernels and number of kernels per spike of YN15 less than notably LM21. 以上结果都表明鲁麦21的碳代谢特性优于烟农15,这也是鲁麦21的穗粒数和千粒重显著大于烟农15的生理基础。
- The effect of removing base spikelet on setting kernels and grain weight was slighter, kernels and grain weight per ear decreased less. 去除基部小穗对结实粒数和粒重的影响较小穗粒数和粒重下降较少;
- Meanwhile,treatment with azacytidine could result in dwarfism,reduction in tiller numbers,grain weight per plant,panicle length and the delaying in flowering. 同时,5-氮胞苷处理使转基因水稻植株出现矮化,分蘖数、单株粒重下降,穗长减小及开花期延迟等发育异常现象。
- The results showed that the tassels were delayed, tiller ability was depressed, plants dwarf and grain weight per plant and biomass reduced in low-phosphorus soil. 共体表现为抽穗期延迟,株高变娇,分蕖减弱,籽粒重减轻,生物重降低。
- Tolerance to low N-fertilized level for rice germplasm and coefficient correlation among grain weight per plant and its response index to nitrogen and main agronomic traits were analyzed. 结果表明,水稻种质资源的耐低氮能力在不同施氮水平间均有较大差异,多数农艺性状的表型差异顺序为未施氮>施低氮>普通施氮;
- The results showed that there were positive correlations between the yield and HI, grain weight per plant, number of grains per panicle, seed seting percentage,grain density. 结果表明:产量与收获指数、单株粒重、每穗实粒数、结实率、着粒密度,收获指数与着粒密度、单位面积颖花生产力成正相关;
- In the paper, the combination among 1000-grain weight, grain numbers per spike and multispikelet have been discussed. 其次,株高与蛋白质含量以及抽穗期与小穗数的正相关关系对选育多小穗和高蛋白质含量有一定的不利影响。
- ROLE OF GRAIN WEIGHT PER EAR IN WINTER WHEAT SUPERHIGH YIELD BREEDING 穗粒重在冬小麦超高产育种中的作用
- The 1RS/1BL increased the spikelet number per spike, however, it decreased the grain number per spikelet. 抽穗期、穗粒数和穗粒重几个性状间差异不显著。
- The diallel cross was used to analyze GCA and SCA effects on grain number per spike and fruit number per small spike of eight spring wheat genotypes. 摘要通过双列杂交方式,对8个春小麦品种的结实小穗数和穗粒数进行一般配合力和特殊配合力效应分析。
- Grain weight mainly depended on the hull size. 粒重高低主要取决于谷壳的大小
- By their relatively importance of the major constituent, the factors which contribution to the yield were weighty spike, big grain, more grain number per spike and multispikelet. 对产量贡献由大到小的主成分依次是重穗因子、大粒因子、粒数因子和小穗数因子。
- However, the later treatment of ZT increased the weight of spike by affecting the grain weight of the 2nd and 3rd floret positions. 后期ZT处理则是通过提高第2、3粒位粒重增加了穗粒重。
- The results indicated that improving the kernel number per spike should be focused on increasing the spikelet number, floret differentiation rate and grain set rate. 因此,小麦穗粒数的改良应在增加结实小穗数的基础上提高小花的分化速率和小花的结实率。
- Spike length and grain weight seemed to becontrolled by additive gene effects,and grain number by non-additivegene effects. 其中,大穗大粒受加性基因效应控制,结实粒数受非加性基因效应控制。