spikelet
英
美
网络 小穗; 小穗花序; 花穗; 小穗花; 幼穗
英英释义
noun
- a small sharp-pointed tip resembling a spike on a stem or leaf
双语例句
- This is a small variant, apparently of local distribution, distinguished mainly by the hairy upper glume of the sessile spikelet.
这一小相异,地区分布的表面上,按无梗小穗的有毛的上面颖片主要区分。 - Spikelet density is an important trait related with panicle number, spikelet number and grain weight.
水稻小穗着粒密度是一个重要的农艺性状,其与单株穗数、小穗数和粒重等有密切的联系。 - The pollen and spikelet fertility were investigated in three seasons.
分别调查了早、中、晚三季环境下F2群体的花粉育性和小穗育性。 - Regression analysis showed that spikelet fertility and pollen fertility were positively correlated.
回归分析表明,小穗育性和花粉育性正相关。 - The primary panicle degenerated spikelet rate and maximum degenerated spikelet rate were significantly correlated with primary panicle length.
主穗颖花退化率和最大颖花退化率均与穗长存在极显著的负相关。 - Spike characters, including length, spikelet density and fertile floret number, are controlled by polygenes.
穗部性状,包括穗长、穗密度、可育小花数,均受多基因控制。 - Output can be improved by reducing the plant height, improving available spikelet and seed setting rate and combining kernel number per spike with thousand kernel weight.
适当降低株高、增加有效小穗数、提高结实率、穗粒数与千粒质量并重、主攻穗粒质量是提高小麦产量的有效途径。 - Panicle fertilizer can increase spikelets and prevent spikelet retrogression and lay a foundation for heading safely and increasing kernel setting and kernel weight.
穗肥能够增加颖花数和防止颖花退化,为适时安全抽穗和提高结实率、粒重打好基础。 - The mean spikelet fertility of F_1 hybrids was significantly influenced by the female parent cytoplasm.
某些组合的正反交间杂种F1小穗育性均值差异显著,母本细胞质对杂种F1小穗育性有显著的影响。 - Effects of increasing surface ozone concentration on spikelet formation of hybrid rice cultivars
近地层臭氧浓度升高对杂交稻颖花形成的影响
