ISHS Acta Horticulturae 764: XXVII International Horticultural Congress - IHC2006: International Symposium on Plant Biotechnology: From Bench to Commercialization
SCREENING OF AMYGDALIN-DEGRADING MICROORGANISMS AND RELEVANT ANTAGONISTIC MICROORGANISMS FROM PEACH RHIZOSPHERE SOIL |
| Authors: | X. Wang, Z. Liu, H. Ma, Z. Liu |
| Keywords: | peach tree, rhizosphere microorganisms, amygdalin, degeneration |
| Abstract:
With the development of peach industry and regularization of production, replant disease of peach is more severe. The primary concern of replant disease is autotoxicity, and therefore, it is very necessary to study the peach autotoxicity, to provide highly important theory for resolving replant disease of peach. A number of experiments were carried out. Microorganisms degrading amygdalin were screened from peach rhizosphere soil by utilization of carbon source, and to find antagonistic microorganisms to inhibit these degrading microorganisms. The main results were presented as follows: three bacteria strains that could use amygdalin as C source and degrade to cyanogens were isolated from soil samples. By plate bacteriostasis assays, three actinomyces strains from first screening of cyanogens-resisting microorganisms showed obvious antagonisms against amygdalin-degrading bacteria. | |
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