By S. J. H. Rizvi, H. Haque, V. K. Singh, V. Rizvi (auth.), S. J. H. Rizvi, V. Rizvi (eds.)

ISBN-10: 9401050481

ISBN-13: 9789401050487

ISBN-10: 9401123764

ISBN-13: 9789401123761

Science is largely a descriptive and experimental gadget. It observes nature, constructs hypotheses, plans experiments and proposes theories. the speculation is rarely meditated because the 'final truth', yet is still ever topic to changes, adjustments and rejections. The technology of allelopathy in a similar fashion has emerged, and exists on an analogous footing; our endeavour could be to maintain it clean and cutting edge with addition of more recent in­ formation and ideas with the rejection of older principles and antiquated strategies. prior to now few many years encouraging effects were got in numerous features of allelopathic researches. although, as well as carrying on with efforts in a lot of these instructions, consistent makes an attempt are to be made to explain the mechanics of allelopathic task in molecular phrases and to find methods and capability to take advantage of it for the welfare of mankind. We suppose that multidisciplinary efforts are the one software to accomplish this aim. it's the wish of the editors that this e-book will function a record which identifies an built-in strategy, wherein study either to appreciate and take advantage of allelopathy will be carried out. the current quantity arose out of an try to collect eminent scientists in allelopathy to explain their paintings, of a hugely diversified nature, less than one title.

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1984) Allelopathy. Academic Press, New York. Thompson, A. C. ) (1985) The Chemistry of Allelopathy, ACS Symp. Ser. 268, Amer. Chern. , Washington, DC. Waller, G. R. ) (1987) Allelochemicals: Role in Agriculture and Forestry, ACS References 19 Symp. Ser. 330, Amer. Chern. , Washington, DC. Waller, G. R. (1989), Allelochemical action of some natural products, in Phytochemical Ecology: Allelochemicals, Mycotoxins, and Insect Pheromones and Allomones (eds C. H. Chou and G. R. Waller), Academia Sinica Monograph Ser.

Theron presented several strong arguments against the suggestion of Lyon et al. (1923) that the continued low concentration of nitrate in the percolate under perennial grass was caused by the consumption of nitrate by microorganisms due to their stimulation by carbonaceous matter from the roots of the grass. He concluded that perennial grasses and other actively growing plants interfere only with nitrification and not with ammonification. He concluded further that the inhibition of nitrification is probably due to bacteriostatic excretions by living roots, and suggested that only very minute quantities of the inhibitors would probably be necessary to inhibit the rather sensitive nitrifying bacteria.

L. 1 INTRODUCTION Molisch (1937) coined the term allelopathy to refer to inhibitory or stimulatory biochemical interactions between plants, including the microorganisms traditionally placed in the plant kingdom. Thus, allelopathy could conceivably affect all phases of the nitrogen cycle which involve plants and microorganisms. This obviously includes most phases of the cycle. There is considerable evidence in the literature concerning allelopathic effects on biological Nrfixation. Virtually no research has been done on possible allelopathic effects on aminization or ammonification.

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Allelopathy: Basic and applied aspects by S. J. H. Rizvi, H. Haque, V. K. Singh, V. Rizvi (auth.), S. J. H. Rizvi, V. Rizvi (eds.)


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