V t jadhav (4 Ergebnisse)

Zustand: New. pp. 306.

Zustand: New. pp. [viii] + 211 195 Figures.

Hardcover. Zustand: New. Dust Jacket Included. 2nd Edition. Contents: Preface. 1. Introduction. 2. Moriculture. 3. Disinfectants. 4. Seed production (grainage). 5. Rearing of silkworms. 6. Survey of natural enemies of silkworms. 7. Aspects of silkworm parasitoids. 8. Summary. 9. Bibliography. Subject index. Species index. "The book provides National and International status of sericulture and its developments. Various topics deals with moriculture, disinfectants, seed production, silkworm rearing (B. Mori and A. Mylitta), pests and diseases of silkworm, pests and diseases of mulberry and survey and survelliance of silkworm natural enemies. Special emphasis is given on the aspects of parasitoids of silkworms under which information is given on life history, host specificity and life tables and intrinsic rate of increase. The book is must for sericulturist, farmers, students, teachers and researchers related with sericulture, parasitology and pest management." (jacket)No. 20911 197 pp. …

Hardcover. Zustand: New. 2nd Edition. Contents: Preface. 1. General introduction. 2. Biology of aphids. 3. Crop aphids and their control. 4. New aphids on crops and their control. Bibliography. Index. Aphids (Hemiptera: Aphididae) are very harmful pests for agricultural, horticultural and forest plants. They suck the cell sap and affect photosynthesis and yield of crops. They also act as vector for several viral diseases of crops. Hence, their control on crops is must. The book contains five chapters. The chapter first is devoted for general introduction of aphids and review of literature. The chapter second deals with biology of aphids which enlights life cycle pattern, fecundity and reproduction in aphids. Third chapter deals with 30 existing species of pest aphids causing damage to crops cereals, pulses, oil seeds, fibers, sugarcane, vegetables, ornamental plants, horticulture and forest under which a detail information is given on distribution, taxonomy (identification), life cycle, nature of damage, host plants, and control measures. In control measures, more emphasis is given on ecofriendly control measure. The chapter four is devoted for 20 new species of pest aphids found on above mentioned crops and cover all aspects given under third chapter. Newly described species refers to Aphis acasae, Melanaphis valgari, Toxoptera ambi, Rhopalosiphum cashivi, R. kolhapurensis, Acyrthosiphon calatropi, A. vatani, Bravicornye capsici, Pentalonia keli, Indomyzus glaricae, Myzus ajari, M. terminalae, Macrosiphum koyenensis, Neomyzus koyani, Ceratovacuna bambusa, Greenidea Greenidea fhanasae, G.G bhimashankari, Eutrichosiphum paratrichosiphum pisidiumi, E.N. radhanagari, etc. This book is enriched with a rich bibliography, large number of illustrations and an exhaustive index for easier reference hunting. The unique book contains both, basic and applied aspects of pest aphids and extremely useful for protecting various crops from aphids. (jacket).…