What is Ecology ?

what is Ecology ? Ecology: Term ecology is Greek word “oikos” meaning “house” combined with “logy” meaning “the science of” or “the study of”.   Term given by – German biologist Ernst Haekel (1869). Thus literally ecology is the study of earth’s household comprising of the plants, animals, microorganisms and people that live together as interdependent components. […]

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JRF 2021 (AGRONOMY, HORTICULTURE, PLANT SCIENCE, ENTOMOLOGY, SOIL SCIENCE) TEXT BOOKS NOTES PDF AND OLD QUESTION PAPERS

NOTES BOOK TITLE NAME Download link HANDBOOK OF ENTOMOLOGY  JRF BOOK TV PRASAD APPLID ENTOMOLOGY D.S.REDDY INSECT MORPHOLOGY AND SYSTEMATIC PRACTICLE MANNUAL.PDF INSECTA AN INTRODUCTION E BOOK PDF.PDF ENTOMOLOGY TEXT BOOK ENTOMOLOGY TREATISE TV PRASAD IPM CONCEPTS TACTICE AND CASE STUD E BOOK WRITEN BY-EDWARD B. RADCLIFFE.PDF GN AGRIOS PLANT PATHOLOGY .PDF BOOK PHUNDAN SINGH […]

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INSECT COMMUNICATION

INSECT COMMUNICATION Insects generally communicate to locate their food source and mate, using Semiochemicals Light Production Sound Production       I. SEMIOCHEMICALS a. Pheromones: “substances that are secreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction”.Pheromones are mostly volatile […]

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Major Insect Pest Of Maize & Sorghum

Major Insect Pest Of Maize : 1.Maize/ Sorghum stem borer: Chilo partellus  F:Pyralidae O:Lepidoptera. Most destructive pest of maize/sorghum. Caterpillars infect the crop usually one month after sowing. It cause pin holes on leaves or”dead hearts” in stem. The infestation may be noticed till harvesting. Larvae remains hibernate in maize stubbles. Management: Destroy stubbles, weeds […]

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