繁殖体

Meanwhile, we highlight several research corners for future further study, the trade-offs on resource allocation within perennial plant had not been proved, the relationship of neighbor effects and reproductive allocation was still not so clear for individual plant, there was no definite conclusion on perennial plant reproductive strategy under different neighbor effects and different habitats. The relationship between reproductive allocation and sexual allocation , the cause of resource distribution in anthotaxy structure, the similarities and differences of reproductive allocation and the maintain mechanism within all kinds of reproductivest rategy need a further investigation. In addition, a molecular study is required for explaining the variation mechanism and the biological meanings on seed size research.

指出生活史研究仍存在不足首先是研究内容上，资源分配在多年生植物中的权衡仍未被有力证明，邻体效应与繁殖分配的关系在个体水平上仍不明了，多年生植物在不同邻体效应和生境下将采取何种繁殖对策目前尚无明确的结论；繁殖分配与性分配之间的关系，引起花序结构上资源分配差异的原因，各种繁殖对策中繁殖分配异同与维持机制等问题仍有待于进一步的研究；种子大小的变异机制以及生物学意义仍未得到令人满意的答复，更需分子水平上的研究来解释其机理。

Study on the rapid Propagation Technique of Lycoris. Herb and get follow results: In the period found of axenic clone 0.1%HgCl2 is the best disinfector to deal with the Lycoris" bulb ,as to neat part, such as root, leave, and bulbil, is fit to use 0.1%HgCl2 antisepsis 7min. And found the best effect is the bulb scale with base. Root, leaf and bulb scale without base all were not inducement adventitious buds. Different position of bulb had different culture effect. 3-15 of middle part of bulb can be induced most adventitious buds but inner and outer of least it. Incised the bulb with three types (pieces of eight, pieces of six, piece of four), and found the type of pieces of six is best to Lycoris mass production. L.sprengeri is fit MS+BA5mg/l+NAA0.1mg/l and L.squamigera is fit MS+BA5mg/l+NAA0.5mg/l, but the medium fit to culture L.longituba haven"t be found.In the period of Subculture-Found of mass production, the most multiplication of adventitious buds in MS+BA5mg/l+NAA0.5mg/l during subculture of L.sprengeri, L.squamigera.

石蒜属植物快速繁殖技术研究中，在无菌无性系建立阶段：鳞茎以0.1％HgCl_2消毒10-12分钟效果最好，而叶、根尖、鳞芽等较干净部位选用0.1％HgCl_2消毒7分钟；用三种石蒜属植物的叶片、根尖、鳞芽及带基盘与不带基盘鳞片进行培养，以带基盘鳞片诱导分化效果最理想，鳞芽易培养出芽，但数量有限，而叶片、根尖与不带基盘鳞片均未诱导分化；带基盘鳞片为石蒜属植物快速繁殖最佳外植体，以鳞茎中部3-15层芽诱导率高，较外层稍次之，内部鳞片诱导率最低；选用八等分法、六等分法、四等分法切割鳞茎，六等分法综合效果最好；每外植体带三鳞片培养最为适宜；三种石蒜属植物各自适合的培养基成分不同，换锦花在MS+BA5mg／l+NAA0.1mg／l中培养效果最好，夏水仙为MS+BA5mg／l+NAA0.5mg／l，而白花长筒石蒜在各培养基组合中培养效果均不理想，其适合的培养条件有待于进一步研究。

The increased number of mitochondria in tetraploids seemed to adapt the demanding of more energy for fecundation in tetraploids because of larger size. 3 Biochemical compositions in gonad and adductor muscle between diploids and triploids in the Pacific oyster, Crassostrea gigas, during an annual period were examined.

三、对二倍体与三倍体太平洋牡蛎的性腺和闭壳肌生化组分含量2003.4-2004.3的年度变化的分析结果显示：二倍体牡蛎性腺糖原含量在配子发生过程中明显降低，至性腺成熟时降低了78.57%（P＜O.01），繁殖期维持在较低水平上，繁殖期过后逐渐升高，10月份至翌年3月份都保持较高的水平。

The spore germination and gametophyte development of 21 ferns are studied. It indicates that :① the development period of prothallium and young sporophyte of the same species is different due to seeding time of spores;② the optimal temperatures of spores germination and gametophyte development of 21 ferns are about 15 -24 ℃;③ the rate of spore germination of rare ferns is much lower than the ferns which occur large populations in nature;④ the treatment with GA 3 can accelerate the germination of the spores;⑤ the prothallium changes from large to small, green to yellow when young sporophyte comes out. The prothalliums of all 21 ferns die away after the appear of the 3rd leaf of sporophytes;⑥ shapes of the 1st and 2nd leaves of the young sporophyte are different from those emerged later;⑦ spores cultured in dark can not germinate;⑧ a prothallium can develop only one young sporophyte though it has many archegoniums, and the spore propagation with leaf mould substrate is an economical method.

摘 要：以腐叶土为培养基质，对 21 种蕨类植物进行了孢子萌发和原叶体发育的研究，结果表明：①不同时期播种的同种蕨类的孢子，发育出原叶体和幼孢子体所历经的时间长短不同；②孢子萌发和配子体生长发育的适宜温度约为 15 ～ 24 ℃；③稀有蕨类的孢子萌发率低，而在野外能形成较大种群的蕨类的孢子萌发率高；④用 GA 3 处理孢子可以促进萌发；⑤当原叶体上长出幼孢子体时，原叶体由大变小，由绿变黄， 21 种蕨类的原叶体都在幼孢子体上长出第 3 片叶时消失；⑥幼孢子体上长出的第 1 、 2 片叶在形态上与以后长出的叶不同；⑦孢子萌发需要光；⑧ 1 片原叶体尽管有多个颈卵器，但仅发育出 1 株幼孢子体；⑨利用腐叶土进行蕨类孢子繁殖是一种经济实用的繁殖方法。

Blood Pheasan lived in groups in winter In the breeding season the tendency living in groups also existed among non-breeding subadult males, breeding adult males or paired birds.

冬季集群活动。繁殖季节不参加繁殖的亚成体雄鸟、参加繁殖的成体雄鸟或配偶对往往也有集群活动的倾向。

All types of bacteria fungi, mildew, virus and its propagule 100% to kill

100%杀灭各种细菌、真菌、霉菌、病毒及其繁殖体

All types of bacteria fungi, mildew, mites virus and its propagule 100% to kill

100%杀灭各种细菌、真菌、霉菌、螨虫、病毒及其繁殖体

The quantities of the four populations propagule are 548±28/m〓, 102±12/m〓, 457± 34/m〓, and 449±34/m〓 respectively.

四种禾草种群当年产生的营养繁殖体的平均数量依次为羊草548±28个/m〓、冰草102±12个/m〓、大针茅457±34个/m〓、克氏针茅449±34个/m〓。

Nursing Biqing disinfection fluid, is the world's a better health care products, the use of efficient broad-spectrum disinfectant as a major food-grade raw materials, of such as E. coli, Staphylococcus aureus, Candida albicans, mold, fungi and other bacteria propagule to kill a significant role.

碧清消毒护理液，是目前世界上较为理想的卫生护理产品，采用高效广谱食品级消毒剂作为主要原料，对如大肠杆菌、金黄色葡萄球菌、白色念珠菌、霉菌、真菌等细菌繁殖体有显著杀灭作用。

Some commonly accepted pathways of invasion prediction were discussed, including compilation of invader checklist by the invasion history in other regions, use of species traits as predictors of invasiveness, propagule pressure as determinants of invasion probability, climate-matching as prediction tools of invasion potential, and conference of specialist′s opinions etc.

目前比较被认可的生态预测途径主要包括编辑入侵植物名录利用入侵历史纪录预测、物种特征作为入侵的预测指标、繁殖体压力作为建群概率的决定性因素、环境匹配作为入侵潜力的预测工具及专家意见等，并对物种特征进行了归类和分析。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。