pollen grain
英 [ˈpɒlən ɡreɪn]
美 [ˈpɑːlən ɡreɪn]
花粉粒
双语例句
- In this paper, we studied the relationships between pollen histochemistry, pollen grain number, ovule number and pollinators in Phyllanthaceae.
本文研究了叶下珠科部分种类的花粉组织化学、花粉数和胚珠数，以及它们与传粉者之间的关系。 - Pollen grains in single flowers of shrub species were found to be almost ten times as many as that of herbs, while the tree species also have higher pollen grain numbers than congeneric shrub species.
对同一属内不同生活型植物的花粉数比较，发现乔木的单花花粉数高于灌木，灌木的单花花粉数明显高于草本。 - Differential Proteomic Studies on Pollen Grain Proteins of Wheat Male Sterile Line Induced by Chemical Hybridizing Agent SQ-1
杀雄剂SQ-1诱导小麦雄性不育花粉粒差异蛋白质组学研究 - These are structurally similar and are expressed on both the stigma surface and the surface of the pollen grain.
它们的结构相近，并且同时在柱头的表面和花粉粒的表面表达。 - The pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid ( usually) endosperm nucleus.
花粉粒在柱头上萌发，双受精导致双倍体的合子和三倍体的胚乳形成。 - Pollen grain germination and pollen tube growth were investigated in intergeneric crosses between Brassica species and O.
本文对诸葛菜和芸苔属属间杂交的花粉粒萌发和花粉管生长情况进行了研究。 - Since a pollen grain is the result of meiosis, it has a single set of chromosomes and it is this that is recognized.
既然花粉粒是减数分裂的结果，那么它含有单套染色体，而被识别的正是这套染色体。 - In a sporophytic interaction, the surface of the pollen grain is recognized, normally by the stigma.
在孢子体相互作用中，通常是由柱头识别花粉粒的表面。 - The probability of any air-borne pollen grain impacting a female strobilus is in any case very small.
任何在空气中飘浮的花粉粒粘着于雌球花的几率，在任何情况下都是很小的。空气中有浓郁的花香。 - By the methods of pollen grain dyeing and PCR analysis, this paper measured the distance and intensity of pollen dispersal, and determined the frequency of gene flow ( FGF) of transgenic Bt cotton.
采用花粉粒染色法对转Bt基因棉的花粉漂移距离和强度进行了观测，并应用PCR法检测转Bt基因棉的基因流频率。 - The advantages of pollen grain screening for salt tolerant cotton were also discussed.
并探讨了利用花粉鉴定、选择耐盐棉花材料的优越性。 - Stamens included size of anther, pollen number of per anther, size, shape and viability of pollen grain.
雄蕊检测包括花药大小，单花药花粉量，花粉粒形状、大小和生活力。 - The mature pollen grain is 2-cells and the tapetum is secretory type.
成熟花粉粒为二细胞型，绒毡层为分泌绒毡层； - The culture of pollen grain of wheat, rice and tobacco in vitro
小麦、水稻、烟草花粉粒离体培养 - Ultrastructural study of pollen grain in Brassica napus
甘蓝型油菜花粉粒超微结构的研究 - The locomotion of sperm cells from pollen grain into the tube was examined by using the above technique.
用同样的方法，也观察了精细胞在花粉管中的运动。 - Pollen abortion of MS-4 was in the single nucleus pollen grain stage after the division of microspore tetrad.
MS-4花粉败育的时期，是在小孢子四分体分开至单核花粉粒时期。 - Sperm cell was surrounded by discontinuous periplasmic space in rice mature pollen grain.
在稻成熟花粉粒中，精细胞被不连续的电子透明的周质空间所包围。 - In present work, the development of anther, formation of pollen grain and development of ovule and formation of embryo sac in Ramie were observed.
本工作对苎麻花药的发育和花粉粒的形成、胚珠的发育和胚囊的形成进行了观察。 - There were little difference between Gp mutant and control in the number of germinated pollen grain in vivo.
agb1-1突变体柱头上实际萌发的花粉粒数与对照比较差异不显著。 - It could reduce the germination rate of pollen grain and resist the growing of pollen tube when pollens were treated by protein extracted from stigmas in preservation system.
在保存体系中，用其柱头的蛋白提取液处理花粉，能够降低花粉萌发率，抑制花粉管的伸长； - Formation and development of pollen grain and embryo sac of Basella rubra
落葵的花粉粒和胚囊的形成与发育 - The pollen grain of the two species is researched, and the configuration of pollen are observed and described.
对两种药用植物进行了孢粉学的研究，观察并描述了金银忍冬和金银花的花粉形态。 - Study on the pollen grain microstructure of new azalea hybrids and their parents
赛玉铃杂交杜鹃新品系代表种与双亲花粉微观结构研究 - The globose mature pollen grain is the 2-celled type, with three grooves.
成熟花粉具2细胞，呈球形，3沟孔。 - The mature pollen grain with 3 germinal pores is 2-cell type.
成熟花粉粒为2细胞型，具3萌发孔； - The polysaccharoses present in the mature pollen grain accompary with proteins.
成熟花粉粒中多糖和蛋白质并存。 - Although several speculations believed that pollen grain accumulation and storage of a variety of mRNA may be used for pollen germination and pollen tube growth.
虽然早就有猜测花粉中积累和储存的多种mRNA可能是用于花粉萌发和花粉管生长。 - GS-1 can prevent the development of microspore and not form matured pollen grain, finally cause male sterility. 7.
GS-1直接阻碍了小孢子后期的进一步发育，使其不能形成成熟花粉，最终造成植株雄性不育。