نتایج جستجو برای: botanical insecticides

تعداد نتایج: 22312  

2013
P. Dhasarathan

Received 10 September 2013 Received in revised from 17 September 2013 Accepted 22 October 2013 Available online 25 October 2013 ABSTRACT The efficancy of synthetic insecticides in vector control has been reduced. This leads to the search of insecticides of botanical origin which can serve as a suitable alternative biocontrol technique. Many plants have been reported to have mosqitocidal activit...

2018

Cowpea, Vigna unguiculata [L.] Walp. is a widely planted nutritious grain legume [1]. It is cultivated in many West African countries including Nigeria. Cowpea is a source of dietary protein, vitamins and mineral salts. It has been consumed by human since the earliest practice of Agriculture in developing countries of Africa, Asia, and Latin America [2]. The pulse beetle, Callosobruchus maculat...

2014
Manas Sarkar Rajendra Kshirsagar

In ancient culture and in different parts of world, there exist empirical knowledge of the use of plants for pest control for thousands of years (approx. 1500 BC), for example rotenone in east Asia and south America, neem in India, sabadilla in central and south America, and pyrethrin in Persia (Iran). Subsequently, botanical insecticides were introduced in prominent continents like Europe and ...

2014
Pritin P Sontakke G. T. Behere D. M. Firake D. P. Thubru

In India, the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), is an important pest of cruciferous vegetables and causes severe economic losses. This pest has ability to evolve resistance in laboratory and field to almost all groups of synthetic insecticides. Despite of these, management with synthetic insecticides has been considered to be the easy and favorable option by...

Journal: :Journal of economic entomology 2013
Michael E Reding Jason B Oliver Peter B Schultz Christopher M Ranger Nadeer N Youssef

Exotic ambrosia beetles are damaging pests in ornamental tree nurseries in North America. The species Xylosandrus crassiusculus (Motshulsky) and Xylosandrus germanus (Blandford) are especially problematic. Management of these pests relies on preventive treatments of insecticides. However, field tests of recommended materials on nursery trees have been limited because of unreliable attacks by am...

2013
Yasmin Akhtar Murray B. Isman

BACKGROUND Horizontal transfer of insecticide occurs when insects contact or ingest an insecticide, return to an aggregation or a nest, and transfer the insecticide to other conspecific insects through contact. This phenomenon has been reported in a number of insects including social insects, however it has not been reported in bed bugs. Since horizontal transfer can facilitate the spread of in...

2013
Blankson W. Amoabeng Geoff M. Gurr Catherine W. Gitau Helen I. Nicol Louis Munyakazi Phil C. Stevenson

Botanical insecticides are increasingly attracting research attention as they offer novel modes of action that may provide effective control of pests that have already developed resistance to conventional insecticides. They potentially offer cost-effective pest control to smallholder farmers in developing countries if highly active extracts can be prepared simply from readily available plants. ...

Journal: :Bulletin of the National Research Centre 2022

Abstract Background Synthetic insecticides employed in seed treatment are often phytotoxic, especially at slightest misapplications. Cowpea is mainly attacked by Callosobruchus maculatus . It established that azadirachtin, myristicin and α-humulene based (botanical insecticides) eco-friendly have activity against C. thus considered ideal candidates research efforts targeted developing plant opt...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2012
mahsa dehghani kamal ahmadi

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 and toxicity t...

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