Tarımsal üretimi sınırlandıran toprak kökenli birçok hastalık etmeni ve zararlı bulunmaktadır. Bitki paraziti nematodlar, gerek bitkilerde beslenmeleri ile yaptıkları direk zararlar gerekse diğer etmenleriyle oluşturdukları kompleks ilişkileri nedeniyle tarımsal üretim yapılan alanlarda önemli kayıplara neden olabilmektedir. Bu zararlılarla mücadelede yöntem kullanılmakta olup bunlardan en sık ...

In intensive cropping systems, soil fumigation, i.e., the use of gas chemical pesticides applied to covered with impermeable plastic film, represents an effective method control most soilborne pests. However, its general non-selectivity useful microflora and microfauna together their significant environmental problems has limited use. Numerous studies have concerned application less impactful b...

Nematodes are commonly referred to as non segmented round worm, thread worms or pin worms. It‟s body is elongated, cylindrical, bilaterally symmetrical and tapering towards both end. It is pseudocoelomate and dioecious with sexual dimorphism. It‟s impact on agriculture by way of inflicting is quite substantial. In the District Bilaspur of Himachal Pradesh, in the present study on nematodes, two...

Published by the College of Tropical Agriculture and Human Resources (CTAHR) and issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Andrew G. Hashimoto, Director/Dean, Cooperative Extension Service/CTAHR, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i 96822. An equal opportunity/affirmative action inst...

The most frequently soil-borne fungal pathogens on plants are Fusarium species that make high economical damages in various agricultural locations in Iran. Our studies show that Fusarium species cause significant yield losses in main crops especially potato, pea, bean, wheat, corn and rice in several parts of the country. The diseases resulted in yield losses to the extent of 30 to 70% in the f...

The Weyerhaeuser Corporation is a large forest products company operating private bare-root nurseries in the United States and British Columbia, Canada (Littke 1994a). Due to concerns over the continued availability of methyl bromide for tree seedling production, Weyerhaeuser formulated a strategy to identify and investigate potential alternatives to methyl bromide including alternatives that r...