萌发

Different parts of continuous cropping "Gaoyataizi" chrysanthemum, roots, stems, litter, leaves, root exudates and rhizospheric soil were extracted with distilled water separately and bioassayed to detect any possible autotoxic activity.

通过制备菊花'高压太子'叶、茎、枯落物、连作根际土壤、根系及无土栽培收集的根系分泌物的水浸液，进行自身种子萌发及幼苗生长实验、扦插生根及盆栽实验，研究评价不同部位水浸液的自毒作用。

The results indicated that the aqueous extracts from the litter of Picea schrenkiana had autotoxicity on its seed germination and seedling growth.

结果表明：天山云杉凋落物水浸提取液对其种子萌发和幼苗生长存在自毒作用。

Key words:Dendrobium candidum; Axenic nodal segments; In vitro propagation; Concentration of hormone; Organic susbstance

方法将铁皮石斛试管苗茎节接种于不同NAA浓度的MS培养基上诱导腋芽萌发，并在含不同激素配比和有机添加物的培养基上继代和诱导生根。

Secondary pollinators are diurnal hawk moths and butterflies. Bombus briviceps and Bombus sp. are nectar gatherers. The mean nectar sugar concentration is 29.5%. The proport ion of seed is 86. 5%. Percentage seed germination under controlled conditions is 23.1 %. Distances that seeds are ejected ranged from 0.58-1.17 m. The distances that pollen spread is 29cm. Pollen viability is highest on the day of anthesis and thereafter decreased.

匍匐凤仙花的主要传粉者是蜜蜂和熊蜂，次要传粉者为白天活动的天蛾和蝴蝶，另外还有两种花蜜窃取者；花蜜糖平均浓度为29.5％；种子产生率为86.5％，种子萌发率为23.1％，种子散布距离为0.58-1.17m；花粉流为29cm；花粉活力在第一天最高，第二天次之，第三天显著减弱；P／O值为

Seed vigor and drought resistance of three perennial forages belong to Bromus (Bromus ciliatus, Bromus inermis, Bromus ircutensis) in the period of seed germination were compared under PEG-6000 of different levels drought stress.

用不同浓度的PEG-6000溶液模拟干旱胁迫，比较雀麦属3种多年生牧草（缘毛雀麦、无芒雀麦、沙地雀麦）种子萌发期的种子活力与抗旱性。

Tissue culture and rapid propagation techniques for lateral bud of Broussonetia papyriferaVent;2. The indefinite bud was induced from terminal bud and lateral bud by using different hormone 6-BA/NAA and KT/IAA in the tissue culture of Gentiana rigescens Franch.

用滇龙胆的顶芽及侧芽为外植体，以MS培养基为基本培养基，以6-BA/NAA和KT/IAA两组不同浓度组合进行对比实验，研究诱导滇龙胆顶芽及侧芽萌发产生不定芽的最佳条件。

In this study, the spore germination of Lasiosphaera fenzlii and Calvatia gigantea were studied,the optimum fermented conditions were investigated.The anti-inflammation and antibacterial were carried out using the fermentative products. The results were as follows: Molecular identification techniques using DNA showed that samples collected are Lasiosphaera fenzlii and Calvatia gigantean.Using analysis of Internal transcribed sequence and construct phylogenetic trees,results showede that Lasiosphaera fenzlii and Calvatia gigantean have close relationship.

本研究以大秃马勃Calvatia gigantea和脱皮马勃Lasiosphaera fenzlii为研究材料，进行了马勃孢子的萌发条件研究，并以大秃马勃Calvatia gigantea菌种为研究材料，进行了优化培养和发酵液药理实验的初步研究，结果如下：采用DNA分子鉴定技术对采集的样品进行了分子鉴定，结果为大秃马勃Calvatia gigantea和脱皮马勃Lasiosphaera fenzlii。

The requirement of moisture for carpogenic germination and growth of the pathogen are reasons why rainy periods or irrigation are associated with outbreaks of disease on certain crops. Disease development is favored by moderate temperatures of 15 - 25 C.

子实体萌发和病菌生长对湿度的需要可以解释为什么在多雨期或灌溉时易爆发菌核病，15～25℃的温度对菌核病的发展十分有利。

When the cultures of Trichoderma isolates which possess the stronger antagonistic ability to S.sclerotiorum are introduced into the soil, the sclerotia burried in this soil is to decay six months later, the carpogenic germination of sclerotia that has not decayed reduces sharply.

将拮抗作用强的木霉菌株培养物导入土壤后，埋入土壤中的菌核多数将发生腐烂，即使未腐烂的菌核其产子囊盘萌发能力也大大降低。

The dormancy and germination of Brochypodium distachyon caryopses sampled from three populations in Israel were investigated.

对以色列3个群体的二穗短柄草种子的休眠与萌发进行了研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。