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研究了新型环烷基磺酰胺类化合物N-(2,4,5-三氯苯基)-2-氧代环己烷基磺酰胺(简称化合物108)对灰葡萄孢菌丝生长、孢子形成和萌发以及菌核产生等不同生育阶段的抑制作用及其对菌丝致病力和形态结构的影响。结果表明:化合物108对灰葡萄孢菌丝生长和孢子形成及孢子萌发具有明显的抑制作用,其EC50值分别为6.90、4.70和4.11 μg/mL;菌核形成受到明显抑制,当药剂质量浓度达20 μg/mL...
为明确三氟啶磺隆与精喹禾灵混用的联合除草作用及其对棉花的安全性,采用温室盆栽生物测定法,测定了其对香附子、马唐、牛筋草、马齿苋和反枝苋的联合除草作用,并对不同品种棉花的安全性及其在棉花与杂草之间的选择系数进行了研究。结果显示:三氟啶磺隆与精喹禾灵混用对香附子、马齿苋的防除效果为加成或增效作用,对马唐、牛筋草和反枝苋则以加成作用为主。当m(三氟啶磺隆):m(精喹禾灵)=1:3和1:4时,有效成分80...
Fifty-year Anniversary of Plant Protection Science
history international scientific journal
2015/3/11
In 2014, the journal Plant Protection Science (PPS) completes 50 years of publication (1965–2014). However, its roots
extend back to the year 1921. Today, it is an international scientific journal f...
Effect of Exogenous Salicylic Acid on Some Physiological Parameters and Alleviation of Drought Stress in Nigella sativa Plant under Hydroponic Culture
Chl – chlorophyll LOX – lipoxygenase MDA – malondialdehyde
2015/3/11
To study the effect of salicylic acid on photosynthetic pigments (chlorophyll a, b, total chlorophyll, and carotenoids), polyphenol compounds, anthocyanin, flavonoids, phenylalanine ammonia-lyase acti...
Sublethal Effects of Spinosad on Some Biochemical Parameters of Xanthogaleruca luteola (Müller) (Coleoptera: Chrysomelidae)
elm leaf beetle spinosad cellular energy allocation
2015/3/11
The effect of spinosad on some biochemical characteristics of Xanthogaleruca luteola was investigated. LC30 and LC50
of spinosad for the third instar larvae were determined as 1.6 and 2.9 ppm, respe...
Occurrence and Genetic Similarity of Diplodia pinea on Shoots and Cones in Seed Orchards of Pinus spp. in North-Western Turkey
diplodia shoot blight pine RAMS disease severity
2015/3/11
Diplodia shoot blight disease can cause significant damage on coniferous trees and be particularly injurious to cones, which
reduces the amount of seed production and germination. We investigated th...
Occurrence, Isolation, and Identification of Acidovorax citrulli from Melon in Turkey
Acidovorax Cucumis melo disease fruit blotch ELISA PCR
2015/3/11
During February and August of 2010 and 2011, disease symptoms were detected in melon (Cucumis melo cv. Surmeli)
fields and commercial nurseries in Adana and Mersin provinces (Eastern Mediterranean R...
烟草青枯病生防菌YH-22抗病机制的初步研究
茄科雷尔氏菌 定殖 抗菌物质 理化性质
2015/9/2
通过菌株生态定殖以及抗病物质分析,初步探究解淀粉芽胞杆菌(Bacillus amyloliquefaciens)YH-22抗青枯病(茄科雷尔氏菌所致)的机制。采用利福平抗性诱导,获得抗400 μg/mL的抗性菌株以利于定殖研究。盆栽试验结果表明,YH-22先在烟草根际土壤定殖,然后依次进入根部、茎部。对YH-22菌株发酵上清液进行理化性质分析,发现抗茄科雷尔氏菌活性物质不溶于氯仿和乙酸乙酯,能溶于...
直接竞争酶联免疫吸附分析法测定桃中氰戊菊酯的残留量
氰戊菊酯 桃 直接竞争酶联免疫吸附分析 高效液相色谱 残留
2016/3/18
采用包被抗体、酶标半抗原直接竞争酶联免疫吸附分析法(ELISA)测定了氰戊菊酯在桃中的残留量。结果表明:在氰戊菊酯多克隆抗体包被浓度为4.0 mg/L、辣根过氧化物酶(HRP)标记氰戊菊酯半抗原稀释1.0×105倍条件下,ELISA法检测氰戊菊酯的线性浓度范围为0.01~10 mg/L,氰戊菊酯对抗体-酶标半抗原反应的抑制中浓度(IC50)为193 μg/L,相对标准偏差(RSD,n=5)为4.5...
Floral Herbivory of an Invasive Slug on a Native Weed
Arion lusitanicus taraxacum officinale flower inflorescence seed viability germination
2015/3/11
Effects of floral herbivory (grazing flowers) by slugs on production and quality of seeds of herbaceous plants have been
rarely quantified. We studied consequences of grazing by an invasive slug Ari...
Pea Fusarium Wilt Races in Western Algeria
fusarium oxysporum physiological races Pisum sativum resistance
2015/3/11
The fungus fusarium oxysporum f.sp. pisi (FOP), the pea wilt pathogen, causes appreciable yield losses under favourable environmental conditions in Algeria. Studies on the pathogen variability and dis...
Geostatistical Tools for the Study of Insect Spatial Distribution: Practical Implications in the Integrated Management of Orchard and Vineyard Pests
precision agriculture IPM spatial analysis
2015/3/11
Spatial heterogeneity in agricultural systems is recognised as an important source of variability to be investigated. In
the evolution of Integrated Pest Management (IPM), patterns and processes tha...
以花生新品种闽花6号为材料,用生物和非生物因素胁迫处理植株,采用SMART技术构建了花生受低温、干旱、各种激素、缺钙及黄曲霉等胁迫诱导的混合全长cDNA文库,原始文库滴度为8.86×106cfu,重组率达97.6%,插入片段多在1~2kb之间,平均大小为1 300bp。该cDNA文库的构建可用于花生抗逆基因的发掘,为揭示花生抗逆分子机理及花生品种改良奠定基础。
麦田抗性生物型荠菜对苯磺隆的抗性机制研究
荠菜 苯磺隆 抗药性 乙酰乳酸合成酶
2016/3/21
为明确抗性生物型荠菜对苯磺隆的抗性机制,分别测定了苯磺隆对抗性和敏感生物型荠菜体内乙酰乳酸合成酶(ALS)、谷胱甘肽-S-转移酶(GSTs)、超氧化物歧化酶(SOD)、过氧化物酶(POD)和过氧化氢酶(CAT)的影响。结果表明:离体条件下,抗性生物型荠菜体内ALS对苯磺隆的敏感性明显降低,苯磺隆对荠菜抗性和敏感生物型ALS的抑制中浓度(I50)分别为0.722 8和0.052 1 μmol/L,抗...