نتایج جستجو برای: commercial insecticides

تعداد نتایج: 152009  

Journal: Journal of Herbal Drugs 2012
Kamal Ahmadi Mahsa Dehghani,

Background & Aim: The plants of the greenhouse have been affected by infestation of the pest Trialeurodes vaporariorum, called greenhouse whitefly, which markedly reduced production. Synthetic insecticides have been widely developed and, their extensive use has brought about disadvantages, like environmental disturbance, pest resistance, lethal effects on non target organisms ...

Journal: Journal of Herbal Drugs 2012
Kamal Ahmadi Mahsa Dehghani,

Background & Aim: The plants of the greenhouse have been affected by infestation of the pest Trialeurodes vaporariorum, called greenhouse whitefly, which markedly reduced production. Synthetic insecticides have been widely developed and, their extensive use has brought about disadvantages, like environmental disturbance, pest resistance, lethal effects on non target organisms ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

Journal: :Annual review of entomology 1998
T S Dhadialla G R Carlson D P Le

Agrochemical research over the last two decades has resulted in the discovery of chemically novel insecticides that mimic the action of the two insect growth and developmental hormones, the steroidal 20-hydroxyecdysone (20E) and the sesquiterpenoid juvenile hormone (JH). Bisacylhydrazines are non-steroidal agonists of 20E and exhibit their insecticidal activity via interaction with the ecdyster...

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
mojtaba limoee dept. of entomology, school of health, kermanshah university of medical sciences, kermanshah mansoureh shayeghi dept. of entomology, school of health,tehran university of medical sciences, tehran javad heidari bijar health center, kurdistan university of medical sciences, sanandaj hasan nassirian dept. of entomology, school of health,tehran university of medical sciences, tehran hossein ladonni dept. of entomology, school of health,tehran university of medical sciences, tehran

background: the german cockroach, blattella germanica (l), is a world wide hygienic pest that is very difficult to control. extensive usage of insecticides may develop resistance to a variety of insecticides, causing failure to control. this study was designed to determine resistance of hospital-collected strains of the german cockroach to carbamate and organophosphorous insecticides. methods: ...

Journal: :jundishapur journal of health sciences 0
mona sharififard department of medical entomology and vector control, school of health, jundishapur university of medical science, ahvaz, ir iran farhad safdari health center of khouzestan province, ahvaz, ir iran farhad safdari health center of khouzestan province, ahvaz, ir iran

the house fly, musca domestica l., is known as one of the most important hygiene problems worldwide. it has shown a high potential to develop resistance to chemical insecticides. this study was undertaken to determine the susceptibility or resistance of the house fly, which were collected from 3 livestock farms near the city of ahvaz, to prevalent pyrethroid insecticides (delthamethrin, lambda-...

2017
Olivier Samson-Robert Geneviève Labrie Madeleine Chagnon Valérie Fournier

Worldwide occurrences of honey bee colony losses have raised concerns about bee health and the sustainability of pollination-dependent crops. While multiple causal factors have been identified, seed coating with insecticides of the neonicotinoid family has been the focus of much discussion and research. Nonetheless, few studies have investigated the impacts of these insecticides under field con...

1999
Stuart R. Reitz Gregory S. Kund William G. Carson Phil A. Phillips John T. Trumble

A low pesticide input management system for celery, Apium graveolens, was developed and implemented. The overall effectiveness of this system was compared with a conventional pesticide application program and an untreated control, over 4 years in ®eld station trials, and then implemented in a commercial trial. The low-input program relied on biological control agents and rotations of selective,...

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