cotyledons
英 [ˌkɒtɪˈliːdənz]
美
n. 子叶
cotyledon的复数
双语例句
- ( of a flowering plant) having two cotyledons in the seed.
（指开花植物）种子里有两个子叶。 - Based on studies of rice embryo development we confirmed that rice embryo has two dimorphic cotyledons rather than just one cotyledon.
作者从稻胚发育的研究中确认稻胚具二型子叶，并非单子叶。 - Effect of environmental light intensity on the morphological microstructure and photosynthetic parameters in the cotyledons of Calycanthus chinensis
生长环境光强对夏蜡梅子叶显微形态结构和光合参数的影响 - Stage I of seed development produces the radicle, which gives rise to the root, and the plumule, giving the shoot and cotyledons.
种子发育的第一个时期是形成胚根和胚芽，胚根形成根，胚芽形成茎和子叶。 - Effects of MeJA, ABA and BA on Chlorophyll Synthesis in Excised Cotyledons of Cucumis sativus
MeJA、ABA与BA对黄瓜离体子叶叶绿素合成的影响 - Two cotyledons have come out from the seedling.
小苗长出了两片子叶。 - Family of flowering plants having two cotyledons ( embryonic leaves) in the seed which usually appear at germination.
开花植物中种子有两个子叶（胚胎叶）显现在萌芽时期的一科。 - When the embryo differentiated cotyledons, the haustorium cells gradually degenerated, then disappear.
胚分化出子叶时，胚乳吸器自合点端向珠孔端退化。 - The embryo consists of two large fleshy cotyledons.
胚有两片大而肉质的子叶。 - During development of the seedling, the hypocotyl forms the lower portion of the stem from the radicle up to the cotyledons.
在幼苗发育期间，下胚轴从胚根到子叶的茎的下部形成。 - Both types of rice embryos have dimorphic cotyledons.
第一类型与第二类型稻胚都具有二型子叶。 - Histological and Physiological Changes in the Process of in vitro Shoot Regeneration from Cotyledons of Chinese Cabbage
结球白菜离体子叶不定芽再生过程中的组织学及生理变化 - That portion of the embryonic stem below the cotyledons.
子叶着生处以下的胚轴部分。 - The regeneration capacity of cotyledons of autotetraploid and diploid non-heading Chinese cabbage and its relation to the endogenous hormones
四倍体不结球白菜子叶再生能力及其与内源激素的关系 - Urease existed mainly in the cotyledons of Jack bean and its content increased with enlargement of cotyledons until maturation.
洋刀豆种子的尿素酶几乎完全集中在子叶中，含量随种子之发育而增加，直到成熟后不再变化。 - Effects of spermine and NAA on adventitious root formation in excised cucumber cotyledons
精胺、萘乙酸对离体黄瓜子叶不定根形成的影响 - The development of the soybean seedling is dependent on the food reserves stored in the cotyledons.
大豆幼苗的发育依靠子叶中所贮存的养分。 - Rape have established regeneration system of cotyledons, hypocotyls, protoplasts and microspore culture.
油菜已经建立了子叶、胚轴、原生质体及小孢子培养的再生体系。 - Establishment of Shoot Regeneration System from Leaves of New Variety of Dendranthema grandiflora Histological and Physiological Changes in the Process of in vitro Shoot Regeneration from Cotyledons of Chinese Cabbage
菊花新品系叶片外植体不定芽再生体系的研究结球白菜离体子叶不定芽再生过程中的组织学及生理变化 - Embryo Culture and Plant Regeneration from Cotyledons in Interspecies Hybrids of Cherry
樱桃种间杂交种胚培养及子叶植株再生 - Cotyledons and stems with axillary buds of tuber mustard were used as explants, and regeneration systems were developed by different regeneration methods.
本研究以榨菜无菌苗子叶、茎段为外植体，研究通过不同的再生方法建立的再生体系。 - Cotyledons play an important part in the early stages of seedling development.
子叶在种子发育的早期起到了重要的作用。 - Development of high frequency plantlet regeneration system for in vitro culture of cotyledons of Chinese cabbage
小白菜高效子叶离体植株再生体系的建立 - The cotyledons of the mature embryo are either green, yellow or chalky yellow.
成熟胚的子叶是绿色，黄色或浅黄色。 - To a great extent, the embryogenesis was affected by inoculating method, when the adaxial surface of the immature cotyledons contacted to the medium, somatic embryos could not produced.
接种方式对诱导率影响很大，当幼子叶的上表皮与培养基接触时，不能诱导胚胎发生。 - Cotyledons of mature seed from two cultivars "Qingzhou honey peach" and "Winter peach" were used as explant.
以青州蜜桃、冬桃成熟胚子叶为外植体，研究了利用子叶再生不定梢的适宜培养基。 - Orthogonal design was used to study callus induction and and differentiation from cotyledons and hypocotyls of I. tinctoria.
以欧洲菘蓝下胚轴和子叶为外植体，应用正交设计方法，对愈伤组织的诱导和分化培养基进行了优化筛选。 - Embryogenesis from immature cotyledons and plant regeneration of soybean were studied.
本文以大豆未成熟子叶为外植体，进行了大豆胚状体发生和再生植株的研究。 - Chlorophyll components and chloroplast architecture in cotyledons of Citrus reticulata Blanco was studied in comparison with those in leaves.
本文对红桔（CitrusreticulataBlanco）种子子叶的绿色素与叶片的叶绿素进行了对比分析。 - Some kanamycin-resistant seedlings were obtained through soaking leaves and cotyledons in Agrobacterium tumefaciens.
通过根癌农杆菌浸泡叶片和去胚子叶外植体，得到卡那抗性植株。