نتایج جستجو برای: brevicoryne brassicae

تعداد نتایج: 1331  

Journal: :Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control 2020

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. ...

2013
Lorena Ruiz-Montoya Juan Núñez-Farfán

Host race formation in phytophagous insects can be an early stage of adaptive speciation. However, the evolution of phenotypic plasticity in host use is another possible outcome. Using a reciprocal transplant experiment we tested the hypothesis of local adaptation in the aphid Brevicoryne brassicae. Aphid genotypes derived from two sympatric host plants, Brassica oleracea and B. campestris, wer...

Journal: :Journal of experimental botany 2007
Anna Kusnierczyk Per Winge Herman Midelfart W Scott Armbruster John T Rossiter Atle Magnar Bones

Plants are equipped with a range of defence mechanisms against herbivorous insects. In cruciferous species, jasmonic acid, salicylic acid, and ethylene along with glucosinolates and their hydrolysis products play important roles in plant protection and plant-insect communication. In turn, a number of herbivores have adapted to plants that contain glucosinolates. As a result of adaptation to the...

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