种子

Amaranthus retroflexux L. and Trifolium repens L.. The result showed that three different extracts inhibited the germination rate of seeds and inhibited the growth of seeding and young root. The experiment showed that White clover existed obvious allelopathy and autotoxidity effect.

结果表明，地上部分水浸液、挥发物和根系分泌物显著抑制了反枝苋、苘麻和自身种子的发芽率，三部分提取物显著的抑制了苘麻、稗草和自身种子在萌发过程中芽长和根长的生长；试验表明白三叶草存在明显的化感作用且有一定的自毒作用。

Thirdly, we also examine the effect of these extracts on maize seed germination rate, maize seeding height and fresh weight, and the results show that three extracts are safe to maize at the concentration of 1:20, with a inhibit rate under 4 %.We further identified and purified organic acids, alkaloids hydroxybenzenes and neutral materials from extract and examined their effects on Amaranthus retroflexus L. seeds.

实验结果表明在干样：水为1：50以内，这三种向日葵的叶片提取液对反枝苋种子萌发和幼苗株高、鲜重及出叶数的抑制效果都非常显著；随着提取液浓度的下降抑制作用也呈明显的下降趋势；通过实验数据比较，这三种向日葵叶片提取液对反枝苋种子萌发抑制和对反枝苋幼苗株高、鲜重及出叶数的抑制效果略有差异。

The results showed that MESC was used to treat micro-endosperm super-high-oil corn seed which could increase the content ratio of GA3 to ABA, the content of IAA and total soluble sugar content, and promote the metabolism of protein, oil and aminophenol during germination.

结果表明：微胚乳玉米种衣剂包衣可提高种子萌动时赤霉素(GA3)与脱落酸含量的比例，提高种子生长素和可溶性总糖的含量，促进蛋白质的形成和油脂的降解，加速氨基酸的利用。

Seed plants; comprises the Angiospermae and Gymnospermae; in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots).

种子植物；包含被子植物部和裸子植物部；在一些分类中，种子植物等同于蕨类植物（其孢子能生成有维管组织和根的植物）和苔藓植物（其孢子生成的植物没有维管组织和根）。

The tendency that DNA methylation level in stem apices decreased by low temperature treatment was agreement with the promotion effects of floral bud differentiation and flowering by low temperature treatment.

茎尖组织DNA甲基化水平因萌动种子低温处理而降低的变化趋势与萌动种子低温处理对花芽分化和开花的促进作用具有一致性。

The factors to effect germination rate and seedling conversion rate of C. appendiculata synthetic seeds, such as synthetic coating materials, synthetic endosperm components, storing conditions and germination materials, etc. were studied.

以杜鹃兰为实验材料，通过液体悬浮培养建立原球茎悬浮系，并以原球茎为人工种子的繁殖体，研究了人工种皮基质、人工胚乳组分、贮藏条件、萌发基质等对人工种子萌发率和成苗率的影响。

Aralia continentalis Kitagwa has the character of dormancy. It is difficult to germinate usually.

长白楤木种子具有休眠特性，在自然条件下萌发困难，探讨了GA3处理对长白楤木种子萌发的影响。

DC.,which included sterilization of explants,the induction of callus and establishment of cell suspension culture system of Ardisia pusilla A.DC.,the examination on the process from the seed germination to mature plant,the discovery of "multi-embryo" phenomenon.

内容涉及：外植体消毒方法确定，愈伤组织诱导和悬浮培养，九节龙培养基硬度最适条件的确定，九节龙从种子萌发到成苗过程的观察，九节龙种子的&多胚现象&的发现。

Seeds 1 to numerous, arillate; aril red or purple, fleshy, enclosing at least base of seeds.

种子1到许多，具假种皮；假种皮红或者紫色，肉质，至少包围种子基部。

The seeds of Impatiens balsamina L. were carried by spacecraft Shenzhou 4 on December 30, 2004 which flew for 6 days and 19 hours.

神舟4号搭载的凤仙花种子经种植后获得SP3种子，发现SP3代子叶发生变异现象，在苗期的子叶数目和形态呈多种变化。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！