Method and compositions for stimulating vesicular-arbuscular myc

Chemistry: fertilizers – Processes and products – Forms or conditioning

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549403, A01N 4316, C07D31122

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active

050026038

ABSTRACT:
A method and compositions for stimulating the growth of vesicular-arbuscular mycorrhizal fungi alone or in the presence of a plant material using isoflavonoid compounds is described. The isoflavonoids are preferably of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are selected from the group consisting of hydrogen, hydroxyl and alkoxy, particularly methoxy.

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