花粉
- 与 花粉 相关的网络例句 [注:此内容来源于网络,仅供参考]
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CaM mRNA was substantially expressed in thetapetum, stigma, pollen tube track, degenerated synergid and transfusion parenchymacells. Lesser but yet significant amounts of CaM mRNA were also localized in themicrospore mother cells, microspores, pollen, antipodal cells, egg cell and central cell.
钙调素mRNA在绒毡层、柱头、花粉管生长途径、退化助细胞以及维管薄壁细胞中大量表达,也可在小孢子母细胞、小孢子、花粉、反足细胞、卵细胞以及中央细胞中检测到。
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Hortorum tapetum indicate that:(1) the peak of metabolism of amoeboid tapetum don't occur when the cell stay at the original site, and (2) the tapetum is not immediately degenerated and provide the pollen with the available material after invasion.
天竺葵绒毡层在发育中的动态行为表明变形绒毡层的生理活动不是在细胞还在原位的时期,而且也不是当它们流入花粉囊后只是简单地自我降解以提供花粉利用的物质。
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Pollen sterile blossoms lack normal turgor and hence the physiological changes conditioning authesis are delayed in development.
花粉不育的花朵缺乏正常的膨压现象,这种生理的变化使花粉的发育迟缓。
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The pollen of this family coats cars with yellow-green dust—though this particular grain landed on an unhatched insect egg.
松树这种熟悉的花粉把汽车涂上一层黄绿色粉未,可是这颗特别的花粉落在了一只未孵化的昆虫卵上。
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The nucleus vegetative in nature derived from unequal or equal division of the uninucleate pollen in rye anthers cultured in vitro develops into pollen embryoids or calli.The green haploid plantlets are differentiated successfully.
离体培养黑麦花药,单核花粉可以通过不等分裂和均等分裂由营养性质的核发育成花粉胚状体或愈伤组织,并且最后形成了单倍体植株。
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Both the free proline contents of anther and the pollen germination rate were compared between the virosis plants infected with TMV and non virosis plant in hot pepper ( Capsicum frutescens L.).
对辣椒感染TMV植株与健康植株花药中的游离脯氨酸含量和花粉萌发力进行了比较研究,结果表明,染病毒植株花药中的游离脯氨酸含量和花粉萌发率均明显降低。
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Such wind-borne pollen causes misery for allergy sufferers in much of the world, where it falls heavily, as it has for millions of years.
数百万年来,这类风传的花粉引起世界上许多有花粉漂落地方敏感症患者的痛苦。
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Wind-pollinated flower is the major factor in hay fever allergies due to small pollen grain, light, dry and easy floating and proliferation in the air.
风媒花为花粉症过敏的主要因素,因为花粉粒小、质轻、乾燥、易在空气中扩散漂浮,一旦有过敏体质者,极易发生过敏症状。
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For studying the pollen xenia of plum, pollens of 5 different plum cultuvars including Bulin, Longyuanqiuli, Oishi Wase, Japanese plum and Changli 15 were used to pollinate Frinar plum respectively, and the effect in the current year on fruit quality was observed.
为研究李的花粉直感效应,选用了布林、龙园秋李、大石早生、秋姬、长李15李品种的花粉给黑宝石李授粉,以自然授粉为对照,观察其对当年果实品质的影响。
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The results showed that except on fruit stalk abscission, the pollen xenia obviously appeared on fruit-setting rate, fruit mass, soluble solids content, transverse diameter, longitudinal diameter, fruit shape index, flesh firmness and fruit shape.
结果表明,猕猴桃在果实坐果率、单果质量、可溶性固形物含量、横径、纵径、果形指数、硬度、果实形状等方面表现明显的花粉直感效应,而在果柄离难易方面无花粉直感效应。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力