茶树上斑痣盘菌科一新种

茶树（Ｃａｍｅｌｌｉａ ｓｉｎｅｎｓｉｓ（Ｌｉｎｎ．）Ｋｕｎｔｚｅ）枝上小双酸孢盘菌属一新种,即茶小双梭孢盘菌（Ｂｉｆｕｓｅｌｌａ ｃａｍｅｌｌｉａｅ）。该属在阔叶树寄主上为首次报道。模式标本保藏在安徽农业大学森林保护教研室。     

南方铁杉上斑痣盘菌科一新种—铁杉小双梭孢盘菌

本文报道了在安徽黄山采自南方铁杉针叶上的小双梭孢盘菌属一新种,即铁杉小双梭孢盘菌对新种作了汉文和拉丁文描述。模式标本保藏于安徽农业大学森林保护教研室。     

南方铁杉上斑痣盘菌科一新种——铁杉小双梭孢盘菌

本文报道了在安徽黄山采自南方铁杉(Tsuga tchekiangensis Flous)针叶上的小双梭孢盘菌属一新种,即铁杉小双梭孢盘菌(Bifusella tsugae H.S.Cao et C.L.Hou)对新种作了汉文和拉丁文描述。模式标本保藏于安徽农业大学森林保护教研室。     

我国南部地区一些针叶树上的斑痣盘菌

本文报道从我国南部地区针叶树上采集的斑痣盘菌,共5属9种。其中小双梭孢盘菌属(Bifusella v.Hhn.)是我国新记录属;杉生小双梭孢盘菌Bifusella cunninghamiicolaKorf & Ogimi)和落叶松散斑壳(Lophodermium laricinum Duby)为国内新记录种。对新记录属、种作了简要记述,记载了已知种的寄主新记录、地理新分布和生态习性,并对一些种的同物异名问题进行了必要的讨论。     

斑痣盘菌科一新种及一新组合

报道斑痣盘菌科的两个寄生种,即生于茶树Camelliasinensis(L.)Kuntze枝梢上的硬湿皮盘菌新种HypoheliondurumY.R.Lin,C.L.Hou&S.J.Wangsp.nov.和生于青杄PiceawilsoniiMast.针叶上的线孢小沟盘菌新组合Lirulafiliformis(Darker)Y.R.Lin&S.J.Wangcomb.nov.。湿皮盘菌属HypohelionJohnston同时为中国新记录属。对此二种进行了汉文描述、图解和讨论,新种附有拉丁文特征简介。供研究标本保藏于安徽农业大学森林保护教研室(AAUFP)。     

斑痣盘菌科一新种

本文报道了一于油松上的斑痣盘科１新种：杨陵散斑壳并对新种的形态特征作了中文、拉丁文描述和图解。     

小双梭孢盘菌属一新种

本文报道发生在蕨类植物芒其上的斑痣盘菌目一新种,即异常小双梭孢盘菌(Bifusella anomala Y. R. Lin)。该种以其略呈三、二纺锤形至近线形的子囊孢子,明显区别于小双梭孢盘菌属的其它成员。模式标本保藏于安徽农业大学森林保护教研室。     

斑痣盘菌科一新种——松生小鞋孢盘菌

本文报道在云南省昆明市华山松(Pinus armandi Franch.)上发现的斑痣盘菌科一新种,即松生小鞋孢盘菌(Soleella pinicola Y.R.Lin et W.Ren)。对该种作了拉丁文、汉文描述和图解。主模式标本保藏于安徽农学院林学系森林保护教研室。     

中国金花茶一新种

<正> 夏石金花茶 新种 图1 Camellia xiashiensis S. Y. Liang et C. Z. Deng, sp. nov. (Subgen. Thea Chang, sect. Chrysantha Chang, ser. Ctrysanthae Chang.) fig. 1. Species affinis C. rnicranthae S.Y. Liang et Y. C. Zhong, sed differt foliis majoribus, 11.5—19.5 (—20.5)cm longis et 5.5—8.5 (—10.5)cm latis, ovariis glabris; etiam affinis C. chrysanthoidi Chang, quae foliis minoribus     

鳑鮍亚科鱼类鳃部寄生的四种三代虫的记述

据文献记载 ,有关我国三代虫 (Ｇｙｒｏｄａｃｔｙｌｉｎａｅ)的研究始于 1 948年[1],迄今为止 ,已报道三代虫 42种[1—3]。作者在整理、鉴定三代虫标本时发现 ,寄生于两种鳃部的四种三代虫在我国均未见报道 ,其中有两新种 ,现记述如下。量度均以毫米为单位。模式标本保存在中国科学院水生生物研究所鱼病学研究室。1　东湖三代虫 ,新种Ｇｙｒｏｄａｃｔｙｌｕｓｄｏｎｇｈｕｅｎｓｉｓｓｐ .ｎｏｖ .(图 1 )宿主与寄生部位 :中华ＲｈｏｄｅｕｓｓｉｎｅｎｓｉｓＧ櫣ｎｔｈｅｒ的鳃。图 1　东湖三代虫Ｇ .ｄｏｎｇｈｕｅｎｓｉｓｓｐ…     

毛药山茶——中国广东山茶属一新种

毛药山茶　新种　图 1ＣａｍｅｌｌｉａｒｅｎｓｈａｎｘｉａｎｇｉａｅＣ .Ｘ .ＹｅｅｔＸ .Ｑ .Ｚｈｅｎｇ ,ｓｐ .ｎｏｖ . (Ｓｕｂｇｅｎ .ＭｅｔａｃａｍｅｌｌｉａＨ .Ｔ .Ｃｈａｎｇ,Ｓｅｃｔ.ＥｒｉａｎｄｒｉａＣｏｈｅｎ Ｓｔｕａｒｔ) .Ｆｉｇ .1ＳｐｅｃｉｅｓＣ .ｃｒａｔｅｒａｅＨ .Ｔ .ＣｈａｎｇｅｔＣ .ｔｒｉｇｏｎｏｃａｒｐａｅＨ .Ｔ .Ｃｈａｎｇａｆｆｉｎｉｓ,ｓｅｄｉｌｌａｆｌｏｒｉｂｕｓｒｕｂｒｉｓ (ｔｅｓｔｅｎｏｔｕｌａｃｏｌｌｅｃｔｏｒｉｓ) ,ｂｒａｃｔｅｏｌｉｓｓｅｐａｌｉｓｑｕｅｕｔｒｉｎｑ…     

黄山群体种自然杂交后代儿茶素组分的变异特性

对黄山群体种自然杂交后代种质资源表型性状进行调查,从中筛选出204份种质作为试材,对其儿茶素6种组分进行测定并进行遗传多样性分析。结果表明,黄山群体种自然杂交后代在儿茶素组成成分上存在丰富的多样性和变异,遗传多样性指数平均为1.78,变异系数平均为31.2%。根据儿茶素品质指数和儿茶素总量分别对204份种质进行聚类分析,筛选出适制绿茶的种质材料15份、适制乌龙茶的种质6份、适制红茶的种质7份。从中筛选出一批特异的资源,儿茶素总量、酯型儿茶素含量、酯型儿茶素/儿茶素总量之比均较高的种质材料4份,品质指数高的特异资源5份。     

Interactions between, Camellia japonica and its Seed Predator Curculio camelliae

Abstract Seeds of Camellia japonica are heavily attacked by Curculio camelliae. To evaluate the efficacy of fruit wall thickness against the curculio attack, correlations of fruit wall thickness with the ratio of seed survival (RSS) and with the ratio of oviposition success of the curculio beetles (ROS) were investigated on fruits collected at Camellia stands in Kinki District. While ROS exhibited negative correlations with the thickness of fruit wall in every stand, RSS showed different modes in accordance with the population density of the curculio. At low density, no significant difference was seen in RSS between trees with thicker fruit wall and those with thinner ones; the latter trees, generally bearing many fruits, had more seeds surviving than the former, generally bearing a few fruits. In high density curculio populations, RSS values showed correlation with the thickness of the fruit wall and more seeds survived in trees with thicker fruit walls. These facts suggest that two contrasting behavioral traits are present in a single species C. japonica and their efficacies differ in accordance with the curculio density.     

茶树RAPD分析体系的优化

以福鼎大白茶为材料,采用美国的PTC-100^Tm热循环仪,对茶树RAPD分析中影响PCR扩增结果的主要因素进行了研究。确定了茶树RAPD的最适反应体系和扩增程序,即在30μl反应体系中,含40ng模板,2mmol/LMgCl2,各0.2mmol/LdNTPs,0.15μmol/L引物和1.5UTaqDNA聚合酶;扩增程序为;第1步预变性94℃,180s,第2步变性92℃,50s;第3步退火35℃,50s;第4步链延伸72℃,100s;循环41次,后延伸72℃,300s。     

云南澜沧景迈古茶园生态系统植物多样性评价

云南澜沧县境内的景迈古茶园是云南省现存面积最大的古茶园.本文应用植物学样地调查和农业生物多样性调查评价(HH-ABA)方法,在景迈古茶园内设置了78个20 m×20 m的样方,对植物多样性进行调查,并就古茶园的管理及资源利用等问题进行了问卷调查和农户访谈.研究结果表明,景迈芒景地区植物地理成分的热带性明显.在景迈古茶园中发现的珍稀濒危保护植物达15种,其中濒危种5个,易危种7个,稀有种3个,含国家三级保护植物11种.从古茶园、天然林、新式茶园3类生态系统的物种多样性分析来看,古茶园与天然林较为接近而比新式茶园高得多,因而在该区生物多样性的维护上起着非常重要的作用.古茶园的物种数按照生活型排序为草本＞乔木＞灌木＞藤本＞附生.与天然林相比,古茶园内乔木和灌木种类的比例减少,草本和附生(寄生)植物的比例大大增加,这与古茶园内乔木郁闭度及茶树的存在密切相关.农业生物多样性分析显示,不同村寨的物种丰富度和物种利用率均存在差异.6个村寨的农业物种丰富度指数的平均值为0.059,高于同纬度地区旱谷地和橡胶林,可见人们在古茶园管理中有意识地保留了可利用的物种.由于不同农户采取的管理措施不同,影响了古茶园内的植物多样性和古茶树的更新,因而使各农户的茶叶经济效益存在差别.古茶园生态系统是自然资源保护与利用相结合的典型例子,建议应当传承并发展当地人民对古茶园的管理经验,由政府、科研机构和农户共同参与,通过示范和培训加强学习指导,对古茶园进行保护和合理的开发利用.     

Grafting micropropagated tea [Camellia sinensis (L.) O. Kuntze] shoots on tea seedlings – a new approach to tea propagation

Tea microshoots excised from well-established multiple shoot cultures grown in vitro and 8-week-old, three- to five-leaved seedlings from a local chinery stock (Banuri-96) and UPASI-9 (from southern India) were selected as scions and root stocks, respectively, for grafting. In addition, 4-month- and 12-month-old seedlings of Banuri-96 were also used as root stocks. Cut ends of root stocks and scions were pretreated with varying concentrations of BAP and NAA for 10 min. A treatment of BAP (5 mg/l) and NAA (5 mg/l) to both scion and stocks in water renewed foliar development at a relatively early stage (40–60 days). The grafted plants were kept in hardening chambers with CO₂-enriched air. No significant difference was observed between autograft (scion and root stock of Banuri clone) and heterograft (scion of the Banuri clone and root stock of UPASI-9). Of the three types (in terms of age) of seedling-raised root stocks employed, grafts on young tea (4-month-old) performed the best (88.33%). Grafts made in early summer established relatively faster and at a high rate of success. The percentage survival of plants transferred to the field was 88.33%. Received: 21 May 1998 / Revision received: 17 December 1998 / Accepted: 15 January 1999