Abstract
Cabbage white butterfly (Pieris brassicae) is one of the important insect pests of cabbage crop which causes remarkable quantitative or qualitative crop losses. The research was conducted at Hazara Agricultural research station, Abbottabad (Pakistan) to study the effect of different new chemical insecticides, botanical oil and neem seed oil (Azadirachta indica A. Juss.) on the population density of P. brassicae. The study showed that neem oil had a significant effect on population of P. brassicae in comparison to control treatment. So, neem oil alone or in combination with insecticides can be used for control of P. brassicae in vegetable crops for a safer food supply.
Highlights
Cabbage is one of the most nutritious leafy vegetables and is an excellent source of vitamin C and vitamin K
Alternative strategies have included the search for new types of pesticides which are often effective against a limited number of specific target species, are biodegradable into nontoxic products and are suitable for use in integrated pest management programs
1) Seasonal Incidence of P. brassicae larvae on cabbage It was observed that the larvae first appeared on cabbage in the 3rd week of April, and the population peaked during the 3rd week of May 2019, and remained active up to June
Summary
Cabbage is one of the most nutritious leafy vegetables and is an excellent source of vitamin C and vitamin K. Alternative strategies have included the search for new types of pesticides which are often effective against a limited number of specific target species, are biodegradable into nontoxic products and are suitable for use in integrated pest management programs. This criterion is met by the natural plant products derived from plants and has enormous capability to replace the modern agrochemical research. Botanicals extract has ability to degrade more rapidly than most chemical pesticides, and is, considered relatively environment friendly and less likely to kill beneficial pests than synthetic pesticides with longer environmental retention. Present research has been proposed on use of botanical insecticides as an integrated insect management program which can greatly reduce the use of synthetic pesticide
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