Allelochemicals: Biological Control of Plant Pathogens and by Inderjit, K.G. Mukerji

By Inderjit, K.G. Mukerji

Biological regulate of plant illnesses and plant pathogens is of serious value in forestry and agriculture. there's nice incentive to find biologically lively ordinary items from larger vegetation which are greater than man made agrochemicals and are a lot more secure, from a well-being and environmental point-of-view. the advance of normal items comparable to herbicides, fungicides, and their position in organic keep an eye on of plant illnesses, exhibits a discount in environmental and health and wellbeing risks. Allelopathic strategies provide a true destiny in fixing a number of difficulties, for example organic keep watch over of plant pests. This publication is geared up round the indication that allelochemicals will be hired for organic keep watch over of plant pathogens and plant ailments. in particular, this quantity makes a speciality of (i) discovery and improvement of typical product dependent fungicides for agriculture, (ii) direct use of allelochemicals in addition to oblique results via conceal vegetation and natural amendments for plant parasitic pest keep watch over and (iii) software of allelopathy in pest management.

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Tropic Sun’ sunn hemp. Crotalaria juncea L. Research Extension Series 036, University of Hawaii, Honolulu, 1983. , M. DiVito. The effect of Tagetes spp. extracts on the hatching of an Italian population of Globodera rostochiensis. Nematol Medit 1991; 19:135-137. M. Control of root-knot and reniform nematodes by bare-root dip in leaf extract or margosa and persian lilac. Zeitsch. Pflazenkh Pflazen Sch 1988; 95:138-142. S. Factors influencing the effectiveness of non-pathogenic Fusarium solani strain Fs5 in the suppression of root-knot nematode in tomato.

Greater weed species richness is usually found in organic farms but total weed density and biomass are often smaller under the organic system compared with the conventional system. The improved weed suppression of organic agriculture is probably the result of combined effects of several factors including weed seed predation by soil microorganisms, seedling predation by phytophagus insects, and the physical and allelopathic effects of cover crops (Ngouajio and McGiffen, 2002). 2. ALLELOPATHY Increasing attention has been given to the role and potential of allelopathy as a management strategy for crop protection against weeds and other pests.

Understand the key biological differences that make IPM for weeds more difficult than IPM for insects. ƒ Become familiar with integrated weed management (IWM) strategies. The federal regulations for organic standards were finalized in 2001 and began full implementation in 2002. Generally, organic food is produced by farmers who emphasize the use of renewable resources and the conservation of soil and water to enhance environmental quality for future generations (IFIC 2004, Agri 21 FAO). Barberi (2002), assessed that despite the serious threat which weeds offer to organic crop production, relatively little attention has so far been paid to research on weed management in organic agriculture, an issue that is often approached from a reductionist perspective.

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