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Effect of some growth regulators on plant growth tuber initiation yield and chemical composition of potato solanum tuberosum



Effect of some growth regulators on plant growth tuber initiation yield and chemical composition of potato solanum tuberosum



Pakistan Journal of Botany 13(1): 69-76



GA3 increased shoot extension, leaf area, number of leaves, stolons and tubers but decreased dry matters of stem, leaf and tuber. IAA and K increased dry matters of stem and leaf but decreased leaf number and leaf area, the number of stolons and tubers either decreased or were not affected. Yield of tuber increased with IAA used alone or in combinations with GA3. Total sugars increased with GA3 used alone and combinations with IAA and K while starch content decreased with GA3 and increased with IAA and IAA+K treatments. Ascorbic acid content was higher in GA3 and was not affected significantly with IAA and K. Protein nitrogen decreased only with GA3 while total N did not differ significantly with the treatments.

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Accession: 005271261

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