By R. M. Miller, J. D. Jastrow (auth.), Yoram Kapulnik, David D. Douds Jr. (eds.)

ISBN-10: 9048155150

ISBN-13: 9789048155156

ISBN-10: 9401707766

ISBN-13: 9789401707763

Recent years have introduced an upsurge of curiosity within the examine of arbuscular mycorrhizal (AM) fungi, partially a result of attention that the powerful usage of those symbiotic soil fungi might be crucial in sustainable agriculture. amazing growth has been made over the past decade within the learn of this symbiosis mostly due to expanding exploitation of molecular instruments. even supposing early emphasis used to be put on using molecular instruments to check physiological techniques prompted through the symbiosis, similar to expression of symbiosis-specific polypeptides and modulation of host defences, different functions look forward to. It used to be visible to us that accumulating leaders within the box to summarize those themes and indicate learn wishes used to be priceless if we have been to appreciate the body structure and serve as of AM fungi at a molecular point. additionally, we've taken the chance to provide those stories in a logical series of issues starting from the initiation of the existence cycle of the fungus to its features in plant progress and within the less than flooring surroundings. It used to be a problem to restrict this flood of knowledge to the confines of 1 textual content. this can be a very interesting time for mycorrhiza biologists and it's our wish that a few of this pleasure is conveyed to our readers.

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4D). Further, of those reproducing, offspring of mycorrhizal mothers produced more fruits that contained significantly more seeds than those produced by offspring of nonmycorrhizal mothers. The increase in reproductive output was associated with an increase in plant size. We concluded that infection of the parent generation by mycorrhizal fungi can increase the competitive ability of the offspring, and that competition could magnify inherent differences in growth between offspring of mycorrhizal and nonmycorrhizal mothers, resulting in selective mortality and differential reproductive output.

No two individuals within a population are exactly the same size. Even in populations whose members germinate synchronously, some inequality among individuals will occur as a consequence of genetic differences or microsite environmental variation, and such differences among individuals may be magnified by the process of competition (122). For example, if one individual shades another, the shaded individual may not grow much while the overtopping individual continues to grow rapidly. In this case, the acquisition of light may be disproportionate to the size of the plants.

Cambridge University Press, Cambridge, UK. pp 205-219. 77. , Jarstfer, A. G. K. 1987. Biomass allocation in an Agropyron smithii- Glomus symbiosis. Amer. J. Bot. 74: 114-122. 78. S. W. 1986. The mycorrhizal fungus Glomus macrocarpum as a cause of tobacco stunt disease. Phytopath. 76: 688-691. 79. Moora, M. and Zobel, M. 1996. Effect ofarbuscular mycorrhiza on inter- and intraspecific competition of two grassland species. Oecologia. 108: 79-84. 80. Morandi, D. 1989. Effects ofxenobiotics on endomycorrhizal infection and isoflavonoid accumulation in soybean roots.

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Arbuscular Mycorrhizas: Physiology and Function by R. M. Miller, J. D. Jastrow (auth.), Yoram Kapulnik, David D. Douds Jr. (eds.)


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