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
- 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 first floret of non-stem spikelet appear pistil in north-thermal spring ( 30%).
北温泉河滩的无柄小穗第一小花出现了雌蕊(30%); - Temperature within extremely low and high levels, affected spikelet formation, ripening, and final grain yield.
极低、高范围内的温度影响小穗生成、熟和最终籽粒产量。 - The number of vascular bundles ofeach floret in spikelet decrease with the rising of floret position.
小穗上各位小花维管束数目随小花位上升而递减。 - 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。 - 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。 - 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。 - The thousand seed weight and number of spikelet were also significantly increased.
与对照相比,千粒重和小穗数均显著增加。 - But panicle number per plant and spikelet number per panicle of parents had an obvious impact on F1 hybrids.
大穗型亲本间配组,杂种每穗总粒数及单株颖花量、产量潜力均较大; - 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。