茎的
- 与 茎的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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There were two or more nucleole in the nuclei of the apicalmeristem cell when the plant went into reproductive phase from vegetative phase.
植株由营养生长转入生殖生长时,茎端细胞的核内有2个或多个核仁。
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Stems erect, 10--30(--40) cm, terete or obscurely angular.
茎直立,10-30(-40)厘米,圆柱状的或不明显具角。
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Stems obtusely 4-angled, pubescent or glandular pubescent; calyx teeth ovate-triangular, apex acute, never mucronate.
钝的茎四棱形,短柔毛或者腺状短柔毛;萼齿卵状三角形,先端锐尖,从未短尖。
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Cilia of ocrea 1.5-2 cm; stems pubescent; leaf blade pubescent on both surfaces; achenes 1.5-2 mm.
托叶鞘的缘毛1.5-2厘米;茎短柔毛;叶片两面被短柔毛;瘦果1.5-2毫米 21 P 。
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Rhizomes horizontal, not curved; ocrea brown throughout, cleft to base.
根状茎水平,不弄弯;全部的托叶鞘棕色,半裂达贱。
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Stems and branches leafless above; leaves broadly ovate or triangular, 2-3 cm, ocrea apically acute; pedicel articulate at apex; achenes ovoid, 2-2.5 mm.
茎和分枝上部无叶;叶宽卵形的或三角形,2-3厘米,托叶鞘顶部锐尖;花梗有节在先端;瘦果卵圆形,2-2.5毫米 2 F 。
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The results showed that the number of chromosome, which was from the cultured seedlings of meristem tip and the rank seedlings of meristem tip, was not altered, both the number were 2n=16,the hereditary stability of callus and regeneration plant was poor; and the variation percentage of chromosome in callus was 43.4%, among which haploid accounted for 6.7%, triploid accounted for 2.5%,tetraploid accounted for 10%,pentaploid accounted for 4.2%,hexaploid accounted for 3.3%,septuploid accounted for 4.2%,octoploid accounted for 3.3%,dysploid accounted for 9.2%;the chromosome variation percentage of differentiation seedlings derived from callus was11.7%,among which haploid was 6.7%,triploid accounted for 1.7%,tetraploid was 3.3%.
结果表明,茎尖分生组织培养的幼苗及丛生苗遗传稳定,其染色体未发生倍性变异,均为2n=16;愈伤组织及其再生苗遗传稳定性较差,愈伤组织染色体数变异率为43.4%,其中单倍体占6.7%、三倍体占2.5%、四倍体占10%、五倍体占4.2%、六倍体占3.3%、七倍体占4.2%、八倍体占3.3%、非整倍体占9.2%;愈伤组织分化苗染色体变异率为11.7%,其中单倍体占6.7%,三倍体占1.7%,四倍体占3.3%。
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Because the flower. on Ye Hejing the down has the oil gland.
因花。叶和茎上的绒毛均藏有油腺。
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Twenty-four media were used to investigate suitable condition for Oncidium shoot tip differentiation,growth and micro-propagation.
以文心兰离体茎尖和顶芽为材料,运用正交实验筛选出诱导球茎和芽的最佳培养基。
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Osmund is a kind of dear wild vegetables, which is also called Cat Bracken.
项目简介:薇菜,是名贵的山野菜,俗称猫儿蕨,兰茎苔等。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。