New insights in legume breeding: plant genetics of beneficial plant-microbe systems, evolution and applications in sustainable agriculture
2008
Borisov, A., All-Russia Research Institute for Agricultural Microbiology, St. Petersburg (Russian Federation) | Ovchinnikova, E. | Nemankin, T. | Grishina, O. | Shtark, O. | Akhtemova, G. | Krasheninnikova, A. | Moloshonok, A. | Zhukov, V. | Kazakov, A. | Naumkina, T. | Vasilchikov, A. | Chebotar, V. | Gianinazzi-Pearson, V. | Tikhonovich, I.
Existence of common legume plant genes implicated in interactions with both arbuscular mycorrhizal fungi and beneficial rhizosphere bacteria (including nodule bacteria) opens a new hypothetical view to evolution of beneficial legume-microbe systems. Acceptance of such a view point creates a theoretical basis for exploitation of such a plant-microbe system in sustainable agriculture. Great genetic variability by effectiveness of such a system was demonstrated for pea (Pisum sativum), and therefore, possibility and necessity of doing breeding to improve symbiotic potential of legume crops were clearly shown. This, in its turn, poses a question of development of new types of complex inoculants to select highly symbiotically effective plants during breeding process. The field trials (performed during years 2000-07) demonstrated high beneficial effect of such a kind of complex inoculation on plant biomass production and protein content in the seeds. Exploitation of such systems in agriculture will allow decreasing application of mineral fertilizers and chemical means for plant protection and will improve quality of agricultural produce.
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