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Effect of defoliation on peanut arachis hypogaea cultivar florunner plant growth



Effect of defoliation on peanut arachis hypogaea cultivar florunner plant growth



Crop Science 24(3): 526-531



Defoliation experiments were performed to provide information for development of a pest management simulation model for peanuts. 'Florunner' peanut plants were defoliated uniformly and nonuniformly at 9, 12 and 16 wk after planting, and harvested 2, 4 or 6 wk following treatment. All defoliations resulted in lower stem weight to length ratios, lower pod numbers and weights, and equal or higher leaf numbers and weights. Defoliation altered the normal partitioning of photosynthate between plant parts. The location of defoliation damage (either uniform throughout the canopy or confined to the outer portion of the canopy) affected plant response, in that plants defoliated nonuniformly grew more leaves in the 2 wk following treatment than those defoliated uniformly.

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Accession: 005231339

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