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Weight losses of wheat grain caused by psocid infestation (Liposcelis bostrychophila: Liposcelididae: Psocoptera)
Liposcelis bostrychophila Psocoptera stored grain weight losses
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2015/1/28
ocids are commonly found to be a persistent pest in structures of grain stores. Grain residues are potential pest reservoirs that serve as sources of grain re-infestation. Weight losses caused by psoc...
Citrus flatid planthopper – Metcalfa pruinosa (Hemiptera: Flatidae), a new pest of ornamental horticulture in the Czech Republic
citrus flatid planthopper Metcalfa pruinosa ornamental horticulture first record Czech Republic
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2015/1/28
In late August of 2001 a population of Metcalfa pruinosa (Say, 1830) consisting of several dozens of adults and larvae was observed in a nursery of ornamentals at Brno-Bystrc. The species occurred mos...
Differences in flight activity of pests on winter and spring oilseed rape
winter oilseed rape spring oilseed rape pests yellow trap flight activity variability
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2015/1/28
For 6 years the flight activity of pests on winter and spring oilseed rape was studied from spring till harvest, using yellow traps. In all years the flight intensity was higher in winter rape than in...
Monitoring the population dynamics of the horse chestnut leafminer Cameraria ohridella with a synthetic pheromone in Europe
horse chestnut leafminer Cameraria ohridella Lepidoptera Gracillariidae female sex pheromone traps monitoring population density
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2015/1/28
A monitoring system for Cameraria ohridella males based on a synthetic sex pheromone was tested in the Czech Republic, Germany, France and Greece. From the obtained data on the insect phenology we con...
Description of morphological characters of wild Lactuca L. spp. genetic resources (English-Czech version)
descriptors determination germplasm infraspecific variation Lactuca spp. wild lettuce specie
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2015/1/20
Of about 100 Lactuca species, there are only 22 represented in world gene bank collections. The description of morphological and other important features of wild lettuce accessions and a correct taxon...
豫南烟区烟草青枯病危害调查及病原鉴定
烟草青枯病 病原菌分离 鉴定
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2015/9/8
2014年从豫南烟区信阳市罗山县、驻马店市确山县和遂平县共采集25个疑似青枯病烟草病样和10份病土,分离纯化出菌株26个,测序所得的序列与NCBI数据库中的Ralstonia solanacearum基因组序列进行Blast比对,相似度达到98%以上,对分离鉴定得到的烟草青枯病菌进行回接试验,表现出典型的青枯病症状,发病组织在TTC培养基上也同样分离得到典型的青枯菌菌落,证实病原为烟草青枯病病原。...
Snea253生物种衣剂防治大豆胞囊线虫的研究
生物种衣剂 大豆 大豆胞囊线虫 防效
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2015/10/10
以生防放线菌Snea253菌株发酵液为主，配合其它微生物菌株制备生物种衣剂对大豆种子进行包衣处理，于播种后30~35 d计数大豆根外胞囊数量、土壤中胞囊数量和根内线虫数量，研究了Snea253生物种衣剂对大豆胞囊线虫的防治效果。结果表明：生物种衣剂A(复配菌株Snea253+Sneb207+元素组合+助剂)在康平和大庆试验基点对大豆根和土壤中胞囊线虫的抑制率显著高于空白对照和商品种衣剂对照，生物种...
大豆种质资源对胞囊线虫病1号、3号和4号生理小种的抗性鉴定
大豆胞囊线虫 生理小种 种质资源 抗性鉴定
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2015/11/12
选育抗病品种（系）是防治大豆胞囊线虫病最经济有效的方法,筛选抗源是抗病品种选育的基础。采用酸性品红染色法，在温室内对200份栽培大豆种质资源进行了大豆胞囊线虫病 1号、3号,4号生理小种的抗性鉴定。筛选得到对1号生理小种表现高抗的品种资源2份，表现中抗的23份；对3号生理小种表现高抗的品种资源5份，表现中抗的26份；对4号生理小种表现高抗的品种资源3份，中抗的14份。其中兼抗1号、3号和4号生理小...
大豆胞囊线虫病抗性基因相关分子标记对杂交后代抗性的鉴定效率
大豆胞囊线虫病 抗性鉴定 基因型 检测效率
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2015/11/11
大豆胞囊线虫病的鉴定受条件和方法的制约，一直是大豆抗病资源筛选和抗病品种选育的限制因素之一，与抗病基因紧密连锁的分子标记的发现，为抗病鉴定提供了高效而准确的鉴定方法。以抗大豆胞囊线虫病不同世代的育种分离群体为材料，采用人工接种鉴定和抗病基因型鉴定相结合的方法，探讨了标记基因型在不同分离世代的鉴定效率。结果表明：随着分离群体世代的增加，抗病个体在分离群体中所占比例呈上升趋势，分离世代的卡方测验表明抗...
根据2013年小麦、水稻、玉米三大主要粮食作物重大病虫越冬基数、国家气候中心冬、春季全国气候预测、农作物品种抗性布局和种植方式等因素，做出了2014年全国主要粮食作物重大病虫害发生趋势预报，预计2014年全国主要粮食作物重大病虫害总体维持重发态势，发生程度将重于2013年。
Efficacy and Limitations of Phosphine “Spot-Fumigation” against Five Coleoptera Species of Stored Product Pests in Wheat in a Grain Store – Short Note
protection insecticides fumigation PH3 disporsal
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2015/3/13
Field validation of spot-fumigation with phosphine (PH3) applied by a subcontracted pest-control company in a farm
grain store infested by pests was conducted. Inside and outside of the fumigated gr...
Effects of Helicoverpa armigera Nucleopolyhedrosis Virus (HaNPV) on the Larvae of the Diamondback Moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae)
DBM HaNPV LC50 LT50 biological parameters
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2015/3/11
Laboratory studies were performed to determine the insecticidal activity of baculovirus against diamondback moth,
Plutella xylostella. The nucleopolyhedrosis (HaNPV) was tested against 2nd instar la...
广州管圆线虫功能蛋白研究进展
广州管圆线虫 功能蛋白 遗传学
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2013/11/21
广州管圆线虫(Angiostrongylus cantonensis, Ac)是引起嗜酸性粒细胞增多性脑膜炎或脑膜脑炎的重要病原体，幼虫侵入人体，在体内移行，最终侵犯中枢神经系统，引起广州管圆线虫病。目前对该病的治疗、防治等仍较局限。蛋白质功能研究有望从细胞和分子水平上探讨该病的发生发展机制，有助于诊断，为防治该病和新药开发奠定重要的理论基础。该文对广州管圆线虫功能蛋白研究进展作一综述。
浙江省2005—2010年土源性线虫病监测结果分析
线虫感染 土源性线虫病 感染 监测
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2013/11/21
分析2005—2010年浙江省人群土源性线虫病感染状况和变化趋势，为制定防治策略提供科学依据。方法 在浙江省设立衢江区、平湖市、景宁县、开化县、松阳县等5个监测点，以当地居民为监测对象，收集监测对象的粪便样本，采用改良加藤厚涂片法(Kato-Katz)检查蛔虫卵、鞭虫卵、钩虫卵，3~12周岁儿童加做透明胶纸肛拭法检查蛲虫卵。根据2005—2010年土源性线虫病监测数据进行分析。结果 累计粪检7 4...