对植物病原真菌群体遗传研究范畴及其意义的认识

 众所周知,植物病原真菌对人类具有重要的经济和社会影响。古罗马人崇拜锈神Robigus,以祈祷麦子免受锈病之灾;马铃薯晚疫病引起19世纪欧洲大灾荒,以致1500万人饿死和大量人口移居北美;1970年玉米小斑病造成美国10亿美元以上的损失.     

20%氰戊菊酯乳油对蔬菜菜青虫的防治效果

2006年在浏阳进行了20%氰戊菊酯乳油防治蔬菜菜青虫(Pieris rapae)的田间试验。结果表明:20%氰戊菊酯乳油防治菜青虫,药后7d杀虫效果分别为69.23%～84.43%。     

杂交稻种子发芽率与发芽势不一致的原因及其对策

杂交稻种子有时会出现发芽率与发芽势不一致的现象,这类种子如播种期遇低温恶劣天气或浸种、播种方法不当,容易导致烂种.分析了发芽率与发芽势下降或不一致的原因,提出了相应的预防措施及应用对策.     

三种幼虫外寄生蜂蛋白酶含量与离体培养饲料的关系

在离体培养幼虫外寄生蜂过程中，发现不同的蜂对饲料中的蛋白质及游离氨基酸的含量有不同的要求，本文对麦蛾茧蜂（Ｂ．ｈｅｂｅｔｏｒ），矛茧蜂（Ｏ．Ｐｌａｌｉａｔｕｓ），管氏肿腿蜂（Ｓ．ｇｕａｎｉ）的蛋白酶活性，饲料中蛋白质及游离氨基酸含量进行了测定．实验表明：蛋白酶含量低的蜂，饲料中含高游离氨基酸及低蛋白；蛋白酶含量高的蜂，饲料中含低游离氨基酸及高蛋白。     

Human-carnivore conflict in China: a review of current approaches with recommendations for improved management

Human-wildlife conflict (HWC) is a conservation concern that increasingly threatens the continued existence of some of the world's most endangered species. With an increase in human population, urban sprawl and subsequent encroachment on wild land, human and wildlife interaction has become inevitable. In the majority of cases, this interaction results in a negative outcome for humans, wildlife or both. In China, these key elements, along with a decrease in wild prey species, have resulted in the expansion of HWC encounters, and the need for alleviating this conflict has become a conservation priority. Loss of human life, livestock and/or crops is most often the catalysts that fuel HWC. Techniques to alleviate conflict around the world have included preventative measures and mitigation techniques, such as financial compensation and other incentive programs. Both types of measures have had variable success. We review the current status of human-carnivore conflict management in China, and, drawing lessons from around the globe, we make recommendations for improving conservation management in China. For example, an increase in law enforcement in nature reserves is vital to reducing human disturbance in prime carnivore habitat, thereby reducing conflict encounters. Also, modifications to current wildlife compensation programs, so that they are linked with preventative measures, will ensure that moral hazards are avoided. Furthermore, investigating the potential for a community self-financed insurance scheme to fund compensation and increasing efforts to restore wild prey populations will improve the outcome for wildlife conservation. Ultimately, HWC management in China will greatly benefit from an integrative approach.     

巴西橡胶树品系对棒孢霉落叶病的抗病性鉴定

采用巴西橡胶树棒孢霉落叶病病原菌的分生孢子接种和其毒素接种分别测定了国内天然橡胶主产区9个主栽品系的抗病性,结果表明过滤灭菌毒素划伤接种橡胶离体小叶片可以产生与分生孢子接种相似的症状,而不划伤接种则不产生病害症状;121℃、20 min湿热灭菌毒素接种无论划伤与否均不产生病害症状;分生孢子和病原菌毒素两种接种方法所测橡胶品系的抗病性之间有很好的一致性,说明毒素接种可以用来代替病原菌接种测定橡胶品系的抗病性。抗病性测定结果显示,供试9个巴西橡胶树品系中,PB86、热研88-13、南华1、PR107、热研7-33-97对病原菌表现出高抗,而RRIM600、南强1-97、热研44-9则表现高感,GT1则表现中感。     

平掌舟蛾核型多角体病毒病的研究

苹掌舟蛾(Phalera flavescens Bramer et Grey)是我国南北方的主要果林害虫,为害苹果、杏、梨、枇杷、栗、榆等多种果林。福建省南平、三明等地区珍贵用材树种光叶石楠(Photinia glaba Maxin),遭受猖獗为害。1982年在福建南平院口光     

福建农村信用社盈利能力的因素分析

选择主成分分析法,并在充分调研、专家咨询的基础上,本着定性指标和定量指标兼顾,绝对指标、相对指标和平均指标相结合的原则,确定了能够用来衡量农村信用社盈利能力的若干指标。认为农村信用社要实现可持续发展的长远战略目标,必须从现在起把能力建设作为重要战略基点,谋求在农村金融领域中的规模和优势,进行技术创新、制度创新、人力资源能力建设、外部环境培育。     

喷灌设施的小气候效应在苗木培育中的影响

喷灌设施对苗圃小气候影响的试验表明：在夏季高温季节，可为苗木生长提供温凉湿润的气候条件，与常规相比，白天平均温度降低3．1℃，最高气温降低3．4℃，可有效减轻苗木受高温干旱的影响。喷灌设施应用可使苗木成活率提高23．1％，促进成形苗出圃速度；1hm^2年增加产值近8万元，经济效益明显。     

血耳生物学特性的研究

血耳是民间极感性趣的一种药用兼食用菌。本文从温度、湿度、pH、光线、水份、碳源、氮源、培养代料等因子对血耳菌丝生长原基分化、出耳的影响进行了生物学特性方面的研究,为开发利用血耳,进行人工栽培提供资料。