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Sinopodohyllum hexandrum seeds were treated with different concentration NaHCO3, Na2CO3, KT, GA3, NAA, 6-BA and 2, 4-D. The effects of different chemicals on Sinopodohyllum hexandrum seeds were measured, and seed germination rate, germinability, germination index and germination speed were determined.

方法］用不同浓度的碳酸氢钠、碳酸钠、细胞激动素、赤霉素、萘乙酸、6-苄基－嘌呤和2，4-D等7种药剂处理桃儿七种子，通过测定种子发芽率、发芽势、发芽指数和发芽速度等活力指标研究药剂对桃儿七种子萌发的促进作用。

It was found that optima temperature for germination was 15℃ and 25℃. At 10℃ and 30℃, germination reached a low percentage and at 35℃, germination was inhibited.

结果表明，褐沙蒿种子萌发的适宜温度是15℃和25℃，10℃和30℃时，种子萌发率比较低，萌发在35℃时受到抑制。

Seed germination abilities in different plants were different in terms of germination percentage and germination duration.

不同植物在采集当年的发芽率和发芽持续时间的差异很大。

According to analysis of salt tolerance indexes, it was obtained that salt inhibited seed germination and seedling growth along with the increase of salt concentration, the relative germination rate, germination index and relative simple activity index, seedling root length and plant height reduced gradually, membrane permeability of leaves increased.

结果表明，盐胁迫对燕麦种子萌发和幼苗的生长有抑制效应，而且随着盐浓度的增加，相对发芽率、发芽指数、简易活力指数、幼苗根长和株高逐渐降低，叶片质膜透性逐渐增加。

Result］ The extracted liquid from D. stramonium could decrease the germination rates of 4 vegetables and the seed germination of tomato and pepper. After treatment by 0.2, 0.4 g/ml extracted liquid , the seed germination of tomato and pepper were decreased by 10.2％, 9.4％ and 46.7％, 34.7％ than that of CK resp. The extracted liquid at 0.2 g/ml could inhibit the growth of vegetable root, but had some promotion on growth of vegetable stem. The extracted liquid at 0.4 g/ml had the strong inhibition on the growth of vegetable root, but its inhibition on growth of vegetable stem was greatly variable in different species.

结果］曼陀罗浸提液可降低4种蔬菜种子的发芽速率，降低番茄和辣椒种子的发芽率；0.2、0.4 g/ml曼陀罗浸提液处理后，番茄和辣椒种子的发芽率分别比对照降低了10.2％、9.4％和46.7％、34.7％。0.2 g/ml曼陀罗浸提液抑制蔬菜根的生长，而对茎的生长却表现出促进作用；0.4 g/ml曼陀罗浸提液对蔬菜根的生长有很强的抑制作用，对茎段生长的抑制作用因物种不同而有很大差异。

Besides,interaction of preinvasion of Phytophthora in festans and variousplants was studied by using modified cellulose membrane technique.Potato tuberand leaf promoted both the zoospore germination and appressorium formation,or-ange fruit only promoted the zoospore germination and no effect on appressoriumformation.While onion bulb inhibited the both zoospore germination and appresso-rium formation.

此外，本文利用改进的纤维素膜技术研究了致病疫霉侵入前与15种不同植物之间的相互作用，明确马铃薯块茎和叶片对致病疫霉游动孢子萌发、附着胞形成和侵入丝形成均有促进作用，日本桔果实只对游动孢子萌发有促进作用，对附着胞形成无明显影响，葱和洋葱鳞茎则对游动孢子萌发和附着胞形成均有明显的抑制作用。

In the exploitatation and utilization of Bromus stamineus, we must take the different sowing methods and plant densities into account. They have heavy influences on the forage especially in terms of the forage growth. The salt, temperature and water are important factors that affect the seeds germination,which deciding the germination time and germination place.we designed four temperature (15℃,20℃,25℃,30℃) and NaCl density(0.3%,0.6%,0.9%,1.2%) and PEG density(0.126g/gwater,0.186 g/gwater,0.232 g/gwater,0.270 g/gwater).

引进美国无芒雀麦是农业部948项目&旱生灌草植物资源的引进及开发利用&的引进草种之一，为了合理开发和利用它，本论文对引进无芒雀麦和本地无芒雀麦的种子萌发、田间种植和栽培技术3个方面进行了对比研究，比较了两种无芒雀麦生长特性；结合方差分析，确定了引进美国无芒雀麦种子萌发指标和栽培技术指标。

Every treatment combination has 4 replications.(1)The germination indexes of the former are higher than that of the latter; the germination of the former is stimulated by NaCl density of 0.3 %, while that of the later is restrained by all kinds of NaCl density.(2)With increasing of temperature and PEG indesity,the order of germination rate and vigor of Bromus stamineus and Bromus inermis is decreaced.(3)Under treatment of broadcast sowing and plant density of 549kermels·m~(-2), Bromus stamineus has the highest bud rate, fresh weight, seed yield, while treated with 25cm row spacing and 412kermels·m~(-2) plant densities, tillers, plant height, growth rate increased to the top;(4) Under treatment of broadcast sowing and plant density of 549kermels·m~(-2), its growth rate is took second place, while treated with 15cm row spacing and 824kermels·m~(-2) plant densities, it has the highest seed yield

3撒播时，引进种在播种密度为549粒·m~(-2)处理下单位面积出苗率最高，分蘖数最多，鲜重最大，单株最高，种子产量最大；生长速度在播种密度为412粒·m~(-2)处理下生长最快，密度为549粒·m~(-2)处理下稍次之，结合方差分析可以初步确定它在撒播时的播种密度为549粒·m~(-2)；(4)条播时，在行距为25cm、播种密度为412粒·m~(-2)处理下单位面积分蘖数最多，鲜重最大，单株最高，生长速度最快；种子产量在行距为15cm、播种密度为824粒·m~(-2)处理下最大，在行距为25cm、密度412粒·m~(-2)处理下次之；结合方差分析，就3种规格的行距来说，引进美国无芒雀麦条播时的行距为25cm，播种密度为412粒·m~(-2)；就这两种播种方式来说，应该选择撒播。

In the conidial germination tests, all sunflower oil treatments decreased the conidial germination rate, significantly. The inhibitions of conidial germination were observed and may be the control mechanism of sunflower oil.

在孢子发芽试验中，各种油类处理和对照组相比，均具有显著抑制孢子发芽的效果，推测此为油类防治白粉病的作用机制之一。

The results showed that treatment can greatly improve germination potential, germination index and vigor index of Cucurbita ficifolia seed. The priming treatment also significantly reduced the average time of germination.

结果表明，基质引发处理能明显提高黑籽南瓜种子发芽势、发芽指数和活力指数，明显减少种子平均发芽天数；基质引发温度明显提高幼苗干鲜质量和根体积等，而基质湿度对幼苗生长性状影响不显著。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。