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- 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。
- 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。
- 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。
- The path analysis showed that the coefficient of direct path and genetic correlation was equivalent between grains number per spike and water soluble pentosan content. 遗传通径分析结果表明,穗粒数与水溶性戊聚糖含量之间的直接通径系数与其遗传相关系数基本一致。
- The effect of climatic elements on the grain number per spike of winter wheat 气候条件对冬小麦穗粒数的影响研究
- Grain number per spike 穗粒数
- 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。
- Genotypes, with significant more rachis nodes, thus more spikelet number per spike than CS (Common Spike) in wheat, are named MRN (Multiple-Rachis-Node) wheat. 多穗轴节类(MRN)小麦系指通过增加小穗着生部位(穗轴节)来提高每穗小穗数的遗传类型。
- There is a significantly linear relation between secondary branch grain number and grain number per panicle, and they have the same changing tendency. 穗粒数与二次枝梗粒数随品种的变化是一致的,二者有极显著的线性相关。
- 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;
- S3307 treatments lengthen the duration from floret differentiation stage to yaoge stage, increase the spikelet number and grain number per ear. 本文着重研究了这些方面并探讨了生育期的变化对增粒的作用,以期更加全面地了解生长调节剂调节的内容,为农业生产新技术提供理论依据。
- 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。
- Water deficits were found to affect panicle number and grain number per panicle in lowland rice, while panicle number and percent grain-filling were reduced in upland rice. 在产量构成性状上,乾早处理明显降低参试水稻品种之穗数与一穗粒数及陆稻品程(系)之稔实率及穗数。
- The source and stable library significantly expanded in RBP wheat due to the increased grain weight, grain number per unit area and then the increased grain yield. 垄作种植方式与传统平作比较,能够扩“源”稳“库”,通过增加千粒重和穗粒数而显著的提高产量。
- The grain number per panicle of ratooning rice in vitro was much larger than that in vivo, and the extent was increased with the decline of node, especially for Peiliangyou 210. 离体条件下再生稻穗粒数较母体条件下显著提高,且提高幅度随节位下降而增大,培两优210表现更为明显。
- The grain number per panicle of ratooning rice of the two combinations was increased with the decline of node in vivo and in vitro, while the extent was greater in vitro. 母体与离体条件下两组合再生稻穗粒数均随节位下降而提高,但离体条件下的提高幅度更大;
- The results are as follows: Grain number per panicle, seed density, secondary branch number, secondary branch grain number, secondary branch grain rate are significantly positively correlated with rice yield, &the yield is affected by all of them. 产量与每穗粒数、着粒密度、二次枝梗数、二次枝梗粒数、二次枝梗粒率呈极显著的正相关关系,这些性状对产量都有积极意义,产量是其综合作用的表现。
- Plant height, ear length, spikelet numbers, effective tillers, grain numbers per plant and TKW of T0 transgenic plants were examined. 然后观察和记录经过分子鉴定为转化植株的T0代植株的株高、茎粗、穗长、节数、分蘖数、株籽粒数、平均穗籽粒数及千粒重等形态表型和性状表现。
- 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。