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Method］ The effective components from the stem segment of D. stramonium was extracted with distilled water, and with the treatment with distilled water as CK, the effects of extracted liquid from stem segment of D. stramonium on seed germination and seedling growth of tomato, pepper, amaranth and catnip were studied.

方法］用蒸馏水浸提曼陀罗茎段内的有效成分，以蒸馏水处理为对照，研究曼陀罗茎段浸提液对番茄、辣椒、苋菜、荆芥种子萌发和幼苗生长的影响。

This paper used 12 varieties of stylo seeds in tropical area as the test material and deter-mined the germination rates of those seeds under different salt solution.

以热带地区常见的12种柱花草种子为试验材料，观测了它们在不同盐浓度处理下的萌发率。

Germination rate ; Salt endurance ; Stylo seed

萌发率；耐盐性；柱花草种子

The results showed that pathogen conidia germination germ tube after the invasion from pore to complete the required invasive 12h ~ 48h, the 10d show symptoms around, 16d browser ripe conidia; host bacteria cause symptoms of infection, the mycelium from the Under surface of leaf across the mesophyll cells, in thin-walled small positive inter-leaf assembly, and finally the formation of conidia, and conidia generated subepidermal parenchyma cells in between, a certain randomness.

结果表明：病菌分生孢子萌发后产生芽管从气孔侵入，完成侵入需要12h～48h，大约到10d显示症状，16d分生孢子器成熟；病菌侵染寄主引起症状后，菌丝多从叶背面跨过叶肉细胞，在叶正面薄壁细间集结，最后形成分生孢子器，分生孢子器产生于表皮下薄壁细胞之间，具有一定随机性。

The result showed that germination of summer squash seeds was inhibited significantly.

结果表明，盐胁迫严重抑制西葫芦种子萌发，不同西葫芦品种耐盐性差异显著。

Times the water extract of mulberry leaves can inhibit spore germination of wheat rust fungi summer.

桑叶15倍水浸液能抑制小麦锈病菌夏孢子发芽。

This study was carried out in laboratory and field by using the method of experimental ecology, the effects of storage conditions, superstratum of the ground, pH and temperatures on the seed germination were observed systematically.

本研究采用实验生态学的方法，在室内外系统研究了储藏条件、地面覆盖物、pH值及温度对紫茎泽兰种子萌发的影响。

Embryo The organism that develops from the zygote of a vascular plant after the proembryo has differentiated into embryo and SUSPENSOR but before germination, i.e.

胚：由维管植物受精卵发育而成，在原胚分化成胚胎和胚柄之后，萌发之前的结构。

It takes about 0.5 h for a pollen tube from germination to arrive at the micropyle. About 0.5 h after pollination, the pollen tube releases two sperms into one synergid. At 0.5-2.5 h after pollination, the egg cell fuses with one sperm to form a zygote. About 10.0 h after pollination, the division of the zygote begins. The duration of the zygote lasts about 2.5-10.0 h. However, one sperm nucleus fuses with two polar nuclei at 1.0-3.0 h after pollination, and 5.0 h after pollination the primary endosperm nucleus begins to divide.

水稻受精过程经历的时间表如下：授粉后，花粉在柱头萌发；花粉萌发至花粉管进入珠孔大约需要0.5小时；授粉后0.5小时左右，花粉管进入一个助细胞，释放精子；授粉后0.5-2.5小时，精卵融合形成合子；授粉后约10.0小时，合子第1次分裂，合子期为授粉后2.5-10.0小时；授粉后1.0-3.0小时，精核与两极核融合；授粉后约5.0小时，初生胚乳核分裂。

In order to evaluate the biological effects of irradiation on germination and seedling growth of tartarian buckwheat,seeds of Jinqiao No.

利用不同剂量(100~500Gy)的60Coγ射线辐照处理3个苦荞品种的干种子，研究γ射线对苦荞幼苗的性状、膜透性和保护酶活性的生物学效应。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。