cotton leafworm and the efficacy of certain new means for its control (häftad)

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Biologi

Format: Häftad (Paperback / softback)
Språk: Engelska
Antal sidor: 264
Utgivningsdatum: 2012-02-10
Förlag: LAP Lambert Academic Publishing
Medarbetare: El- Lakwah, Faris Amin Mohamed / El- Khayat, Ezzat Farag
Illustrationer: black & white illustrations
Dimensioner: 229 x 152 x 15 mm
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Antal komponenter: 1
Komponenter: Paperback
ISBN: 9783848404841

cotton leafworm and the efficacy of certain new means for its control

Ph.D. Economic Entomology Plant Protection Fac. Agric. Benha Univ.

av Rasha Ali El Hosary, Faris Amin Mohamed El-Lakwah, Ezzat Farag El-Khayat

Häftad, Engelska, 2012-02-10

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Health and environmental problems and insect resistance to many of synthetic pesticides clearly indicate that basic research must be directed to the discovery of new safer types of pest control agents in order to insure high production and preservation of plant and animal agricultural product. In recent years increasing attention has been given to the control of pests using plant extracts. Thus, some investigators isolated many toxic natural products from several species of plants which are relatively resistant to insect attack. The cotton leafworm, Spodoptera littoralis (Boisd.) ranks among the most important pests which attack cotton. It is a polyphagous insect, it lives on a wide range of host plant which may markedly differ, both taxonomically and in their chemical composition. In Egypt, recorded 73 host plants for S. littoralis (=Pordenia litura), 16 for oviposition, 45 for feeding and 12 for both purposes. Plants are considered by far the richest source of bioactive organic chemicals (secondary plant metabolites on earth.

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