Rizvi parvez qamar (12 risultati)

Condizione: New. pp. 288.

Condizione: New. pp. 356.

Paperback. Condizione: Brand New. 360 pages. 8.66x5.91x0.82 inches. In Stock.

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The use of natural enemies in biological control system is an emerging approach to reduce populations of harmful organisms. Though, predators are known to reduce the survival and fecundity of their prey, but on a higher level of organization, the populations of predator and prey species interact with each other. The predators depend on prey for its survival. In natural ecosystem, ladybird beetles and hoverflies are examples of predators that can help in reducing the population of aphids, coccids, thrips, whiteflies etc. The aphids are considered as important pest of different commercial crops. Till date, its management is a major problem and largely depends upon the use of chemical insecticides. However, the insecticide kills not only the target pest but also facilitates mortality of natural enemies, develop resistance to pest, leaving hazardous effect on human health and also affecting the biodiversity. The use of natural enemies has now become as an important functional component of integrated pest management that helps to maintain natural equilibrium. Therefore, present book provide information on development, predation and life tables of ladybeetles and syrphid on five aphids. …

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Ali ArshadDr Arshad obtained his M Sc and Ph D from Aligarh Muslim University, Aligarh. Thereafter, he received prestigious fellowship (Dr. D.S. Kothari Postdoctoral Fellowship) from UGC, New Delhi. He is serving as Executive-Managin.…

Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Pathak MaheshDr. Mahesh Pathak has obtained his Ph.D. degree in Plant Protection from AMU, Aligarh, India in 2008. Since than he has worked in different National and International organizations in the field of Plant Protection. He i.…

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Ahmad Syed KamranCurrent Position: Assistant Professor, School of Agriculture, Sanskriti University, Mathura, UP, India.Educational BAckgroundPh.D-Agricultural Entomology (Aligarh Muslim University) 2013M.Sc. (Ag)- Plant Protection (.…

Condizione: New. Print on Demand pp. 288 2:B&W 6 x 9 in or 229 x 152 mm Perfect Bound on Creme w/Gloss Lam.

Condizione: New. PRINT ON DEMAND pp. 288.

Condizione: New. Print on Demand pp. 356 2:B&W 6 x 9 in or 229 x 152 mm Perfect Bound on Creme w/Gloss Lam.

Condizione: New. PRINT ON DEMAND pp. 356.

Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The use of natural enemies in biological control system is an emerging approach to reduce populations of harmful organisms. Though, predators are known to reduce the survival and fecundity of their prey, but on a higher level of organization, the populations of predator and prey species interact with each other. The predators depend on prey for its survival. In natural ecosystem, ladybird beetles and hoverflies are examples of predators that can help in reducing the population of aphids, coccids, thrips, whiteflies etc. The aphids are considered as important pest of different commercial crops. Till date, its management is a major problem and largely depends upon the use of chemical insecticides. However, the insecticide kills not only the target pest but also facilitates mortality of natural enemies, develop resistance to pest, leaving hazardous effect on human health and also affecting the biodiversity. The use of natural enemies has now become as an important functional component of integrated pest management that helps to maintain natural equilibrium. Therefore, present book provide information on development, predation and life tables of ladybeetles and syrphid on five aphids.OmniScriptum SRL, Str. Armeneasca 28/1, office 1, 2012 Chisinau 288 pp. Englisch. …