可育小穗伴随着栉状不育的小穗。
Fertile spikelets accompanied by pectinate sterile spikelets.
矮杂草，沿叶柄长有小穗。
在脉之间具洼点的无梗小穗的更低的颖片。
这可能表明抽穗前的小穗发育限制籽粒大小。
This may indicate that spikelet development before heading limits grain size.
小穗数与可育小花数的多少由其分化速度决定。
The numbers of spikelets and fertile florets were controlled by the rate of differentiation.
而顶小穗形成之后，激素直接调节小花的发育。
But fertile floret number is directly regulated by hormones after the top spikelet formation.
裸粒水稻小穗内的花器官数日也有较大的变异。
The variable number of floral organs was observed in nsr spikelets.
而增加每穗粒数则应主要从增加结实小穗数着手；
The grains per spike should be raised mainly through the increase of fertile spikelets.
中部以及基部小穗粒重与穗粒重之间呈高度正相关。
The correlation between the average grain weight of middle spikelets and lower spikelets and the grain weight per spike was highly significant.
秆可达1。5米；稀疏的无梗小穗的上面颖片具柔毛。
Culms up to 1. 5 m; upper glume of sessile spikelet thinly pilose.
种群内变异幅度最大和最小的分别为节间长和小穗数。
The variation extent of internode length is the Maximum in population, while that of spikelet number is the minimum.
膨胀的最低的小穗轴节间和贴生的更低的颖片形成这。
This is formed by the swollen lowest rachilla internode and adnate lower glume.
单位面积小穗数是决定最终产量最重要的产量构成因素。
The number of panicles per unit area was the most important yield components in determining final yield.
本文研究在不同播期下的小麦顶小穗与穗花发育的关系。
The relations between wheat TS and its ear development were studied in different sowing dates.
穗粒数和有效小穗数不能作为小麦抗条锈病的鉴定指标。
Grains per spike and available spike lets per spike ratio cannot take the wheat anti - strip rust the identification Indexes.
极低、高范围内的温度影响小穗生成、熟和最终籽粒产量。
Temperature within extremely low and high levels, affected spikelet formation, ripening, and final grain yield.
本研究还表明花粉育性及小穗育性的座位互作是极其复杂的。
In this study, the interactions of locus were complex in both pollen fertility and spikelet fertility.
草原林地草，有巨大优美的拱形穗，每个小穗下有长长的刚毛。
Grasses of grasslands and woodlands having large gracefully arching spikes with long bristles beneath each spikelet.
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；
The effect of removing base spikelet on setting kernels and grain weight was slighter, kernels and grain weight per ear decreased less.
小穗对的花梗等于，倍于轴节间；上面颖片具0。5 - 1毫米短尖头。
Pedicels of spikelet pair equal, as long as rachis internode; upper glume with 0. 5-1 mm mucro.
确定小麦不同小穗位和小花位发育与结实特性是实现大穗多粒的重要前提。
The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big spike cultural goal with more spikelets and grains.
结果发现，孕穗期和灌浆末期植株的同化物对穗两端小穗及远轴籽粒有利。
The assimilate accumulated during the boot stage and at the end of milking stage is of great advantage both to the upper spikelets in ear and the distal florats.
奥尔森矮源近等基因系对回交父本的小穗数没有影响，对旗叶长影响比较小；
The near isogenic lines with Oleson did not affect the spikelet numbers and flag leaf length of backcrossing male parents.
雄蕊和心皮的数目偶尔也发生改变，在小穗轴的叶腋处偶尔也异位产生小花。
Occasionally, the number of stamens and carpels is altered and an ectopic floret occurs in the axil of the rachilla.
变异系数较小，即改良潜力小的性状为株高、穗长、主穗小穗数、有效小穗数。
The traits with low CV value are plant height, ear length, number of spikelets, available spikelets which had low improvement potential.
而水稻小穗中护颖的性质究竟是叶的突变形式还是退化的小花也一直没有定论。
Whether the empty glume of rice spikelete came from leaf or rudimentary spikelete still remains less understood.
本文还就穗-茎维管系统的形成过程对小穗小花分化、结实的可能影响作了讨论。
The effect of the formation process of the ear-stem vascular system on the differentiation and development of the spikelets, florets and seed set was also discussed.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
无效株是影响群体整齐度的重要因素，主要包括：自交株、空秆、小穗株及病虫害株等。
The main factor that affects population's uniformity is invalid plant including inbred lines, barren stalk rate, diseases and pest insects plant in populations of different yield level.
无效株是影响群体整齐度的重要因素，主要包括：自交株、空秆、小穗株及病虫害株等。
The main factor that affects population's uniformity is invalid plant including inbred lines, barren stalk rate, diseases and pest insects plant in populations of different yield level.
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