نتایج جستجو برای: resistance to damping off and spider mite

تعداد نتایج: 18355683  

2017
Takeshi Suzuki Maria Andreia Nunes María Urizarna España Hooman Hosseinzadeh Namin Pengyu Jin Nicolas Bensoussan Vladimir Zhurov Tawhid Rahman Rebecca De Clercq Pierre Hilson Vojislava Grbic Miodrag Grbic

RNA interference (RNAi) can be used for the protection against agricultural pests through the silencing of genes required for pest fitness. To assess the potential of RNAi approaches in the two-spotted spider mite, Tetranychus urticae, we compared 5 methods for the delivery of double-stranded RNA (dsRNA). These methods include mite feeding on either (i) leaves floating on a dsRNA solution, (ii)...

Journal: :Genetics and molecular research : GMR 2016
T Lucini J T V Resende J R F Oliveira C J Scabeni A R Zeist N C V Resende

Several studies have been conducted on resistance sources to improve the genetic resistance of farm-grown tomatoes to arthropod pests, including phytophagous mites. In the present study, we evaluate the behavior of the two-spotted spider mite on different cherry tomato accessions to identify possible sources of resistance (repellent effect) to this pest. Sixty-four accessions of cherry tomatoes...

2010
Chun-Xiang Zeng Jin-Jun Wang

Occasional reports linking neonicotinoid insecticide applications to field population outbreaks of the spider mite have been a topic of concern for integrated pest management programs. To elucidate the impacts of a neonicotinoid insecticide on the carmine spider mite, Tetranychus cinnabarinus Boisduval (Acari: Tetranychidae), the survivorship, reproduction, and vitellin contents of the mite wer...

2018
Blas Agut Victoria Pastor Josep A Jaques Victor Flors

Tetranychus urticae (T. urticae) Koch is a cosmopolitan, polyphagous mite which causes economic losses in both agricultural and ornamental plants. Some traits of T. urticae hamper its management, including a short life cycle, arrhenotokous parthenogenesis, its haplodiploid sex determination system, and its extraordinary ability to adapt to different hosts and environmental conditions. Currently...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
سید کاظم صباغ دانشیار گروه زیست شناسی، دانشکدۀ علوم، دانشگاه یزد شاهو ولی زاده دانشجوی سابق کارشناسی ارشد بیماری شناسی گیاهی، گروه گیاه پزشکی، دانشگاه زابل

damping-off disease of cucumber caused by soil-born fungi pythium aphanidermatum is one of the most destructive diseases of cucumber. in this research, the effect of three bio-fertilizers including; nitroxin, mycorrhiza and vermicompost in single and combined form on induced resistance and yield components in greenhouse cucumber (es-2862) infected with damping-off disease was investigated. thes...

2016
Yichao Zhang Zhifeng Xu Qiong Wu Miao Peng Yanchao Liu Xing Liu Li Shi Guangmao Shen Yu Pan Lin He

The carmine spider mite (Tetranychus cinnabarinus) is one of the most serious pests on crops and its control mainly depends on chemical acaricides. The excessive and improper acaricides use has resulted in mite resistance to many acaricides, including fenpropathrin. Previous studies have indicated fenpropathrin resistance is a complex development process involving many genes, but information on...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Journal: :Arquivos do Instituto Biológico 2021

The two-spotted spider mite, Tetranychus urticae Koch, has caused significant damage to vineyards in the valley of São Francisco River Brazil. Neoseiulus idaeus Denmark & Muma is one most abundant species predatory mites on vines this region. This study evaluated population growth rates T. leaves two grape (Vitis vinifera L.) cultivars (‘Italia’ and ‘Superior Seedless’) jack bean [Canavalia ens...

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