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- 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;
- 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
- Grain weight per ear 穗粒重
- By North Carolina Design, GCA, SCA and hereditary capacities of ear length, fruit length, row number per ear, grain number per row, weight per 100 grain and yield of 15 corn inbred lines under middle water stress were analyzed. 按NCII设计分析了15个玉米自交系与抗旱性有关的穗长、结实长、穗行数、行粒数、百粒重和单株产量等产量性状在中等水分胁迫下的GCA、SCA和遗传力。
- The effect of removing middle spikelet on set ting kernels was greater, kernels per ear was less, its single grain weight increase compensated partly the loss which resulted from kernels decreasing. 去除中部小穗对结实粒数影响较大,穗粒数最少,其穗粒重因剩余籽粒单粒重增加而得到一定程度补偿。
- The seed number and weight per ear increased by 24.2% and 26.77%,respectively. 单穗粒数和粒重分别比对照增加24.;2%25和26
- Finally,these changes lead to the bald degree of ears reduced,the grain number and weight per ear increased,and grain output per mu raised. 最终导致果穗秃顶度减少,穗粒数与穗粒重增加,产量提高。
- 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。
- GCA effect on kernel weight per ear of LBM and WLS was higher, and GCA effect of BS16(CB)C4 was lower. BS16(CB)C4的单穗粒重GCA最低,LBM、WLS的GCA较高。
- 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
- He M R, Wang Z L, Zhang J C.Distribution of photoassimilate to different parts of wheat ear after anthesis and its relation to kernel weight per ear. 贺明荣;王振林;张杰昌.;小麦开花后光合物质在不同穗位间的分配及其与穗粒重的关系
- 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;
- the variation coefficient of the grain weight per plant was the maximal, grain weight and spikelet number of main ear was the next. 变异系数最大的性状也是单株粒重,其次是主穗粒重和主穗小穗数。
- 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
- All characters were controlled by additive gene. Ear row number, grain number per row and ear grain weight should be selected in early generation. 所研究的6个性状均以加性基因效应为主,对穗行数、行粒数和穗粒重可在早代进行选择;
- Water stress during anthesis and kernel stage effects most greatly the thousand-grain weight and the grain number per ear,yield decreases more greatly. 花粒期阶段水分胁迫对千粒重及穗粒数影响最大,产量降幅更大。
- Grain weight mainly depended on the hull size. 粒重高低主要取决于谷壳的大小