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While the content of GA-3 and ABA in CMS buds were lower than in maintainer line buds.

据此认为烟草花蕾内源激素含量的变化与雄性不育的发生有密切关系。

The traits of dedifferentiation and redifferentiation of the explants form H. sampsonii show that the calli the stem and leaf usually form buds at its parietal cells. In the presence of auxin, the parenchyma of the leaf gap at the node is initiated firstly, then, develops blastemata that form buds in a cluster on the node without callus. These show that the various parts ofthe herb differ greatly in cell initiation and organ differentiation.

研究元宝草外植体的脱分化和再分化的特点结果表明,茎段和叶片启动形成愈伤组织,其不定芽通常发生在愈伤组织的周边区,茎节叶腋的叶隙薄壁组织在激素的诱导下启动、分裂,不形成愈伤组织而直接器官分化成芽原基,并在节结处产生一圈成簇的不定芽,表明元宝草不同部位的细胞启动及器官分化调控存在差异。

E ., carrgeenin gum 7 g/L, Ph 5.8-6.0 and light intensities 2000-3000 lx, were proper to the proliferation and development of axillary buds. The brown could he restrained effectively when the Vc(0.05 g/L.) was supplemented in the proliferation medium. The GA3 was not suitable for the proliferation of axillary buds of slash pine.

当卡拉胶为7 g/L、pH为5.8~6.0、光照度为2000~3000 lx时有利于湿地松丛生芽的增殖和生长;培养基中添加抗坏血酸0.05 g/L能有效抑制湿地松丛生芽增殖过程中褐化物质的产生,而赤霉素的添加则不利于湿地松丛生芽的增殖和生长。

Inflorescence buds lateral, usually in axils of upper or lower leaves of last year's shoots; uppermost inflorescence buds in axils of uppermost leaves, subterminal.

侧的花序芽,上面或去年的嫩枝的下部叶的在腋处的通常;最上部的叶,近顶生的最上部的花序芽在腋处。

From tetrad stage to microspore stage, the ABA content in sterile buds was higher than fertile buds.

四分体到小孢子单核期和小孢子二核后期至成熟花粉期不育花蕾ABA含量仍高于可育花蕾。

The short shoot differentiation came from the lateral buds among the bud scales, in the initial stage, the lateral buds elongating, and then differentiating two "anisomerous"(one was small, the other was big) needle primordia in the elongating courses; the big one differentiating once more, and formed three needle primordia.

短枝的发育来源于长枝上芽鳞间的侧芽,在发育的初期,侧芽进行伸长生长,在伸长生长的过程中首先分化出一大一小&不对称&的两个针叶原基,大的叶原基进一步分化,形成三个针叶原基。

In the process of root cutting, the root accumulated a lot of soluble sugar and soluble protein, which provided material and energy for the cell differentiation. As root differentiating, soluable protein was continuously used up. During 10 to 20 days, the content of soluble sugar and soluble protein in the basipetal top and end of rootkept comparatively stable, then declined as adventitious buds and roots growing. 40 days later, they kept invariable, because the newly formed bud can photosynthesize and the newly formed root can absorb nutrient from outside. The dynamic balances of endogenous hormone regulate adventitious buds and roots of the root. During callus growing and adventitious bud differentiating.

上部根段在细胞分化前期积累了大量的可溶性糖,为后期的分化提供能源物质,同时积累了大量的可溶性蛋白质,为愈伤组织的产生提供能源,而后随着分化,可溶性蛋白质不断被消耗。10~20d根段上部及下部的可溶性糖、可溶性蛋白质含量保持在相对稳定的水平变化不大,后期随着不定芽及不定根的生长下降较快。40d后,新形成的芽已经能够进行光合作用,新形成的根也可从外界吸收营养物质,可溶性糖、可溶性蛋白质含量基本保持不变。

Axillary winter buds 3 with 2 lateral flower buds and 1 central leaf bud; terminal winter bud present; leaves conduplicate when young; endocarp often pitted, rarely smooth.

有2的Axillary的冬芽3 横向花芽和1个中心的叶芽;顶生的冬芽宿存;对折的叶幼时;内果皮经常使相斗,很少光滑。 48 Amygdalus 桃属

Diospyros kaki Thunb cv.Fuyu and Jiro are Japanese persimmon varieties. Dormant buds taken from persimmon trees, as in vitro explants materials, were set up successfully. New shoots were attained. Callus was induced and adventitious buds were differentiated from leaves and roots of tissue cultures; new shoots propagation and shoots rooting were studied in different basal medium added different hormones.

本研究以甜柿品种富有柿与次郎柿为材料,系统地研究了两品种的组培快繁、组培苗叶片和根段的不定芽再生、愈伤组织的诱导和不定芽的分化、不定根的诱导等技术,以期为柿果的转基因技术奠定基础,同时也为富有柿与次郎柿苗木的快速繁殖提供技术依据。

Rhinopithecus bieti mainly fed on 43 plant-parts, mainly plant buds and leaves during the plant vegetative period, and during the reproductive period, they lived on 31 parts, dominated by flowers and fruits. In the dormant period, they ate 19 items, and the seed capsule of Juniperus recurva var. coxii (A. B. Jackson) Melville and the buds or needles of Pinaceae were the primary food.

植物营养生长期时,滇金丝猴取食43个植物部位,主要是芽和叶;生殖生长期,取食31个植物部位,主要是花和果实;而在植物的休眠期,取食19个植物部位,主要是小果垂枝柏的种皮和松科植物的芽与叶。

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我们是堂姐弟——他的祖父曾是苏格兰国王,他的曾祖父是英格兰的亨利二世。

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