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  • Author or Editor: M. Wivutvongvana x
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Anatomical and morphological studies were made on ‘Gallatin 50’ and ‘Oregon 58’ bush snap beans. The first leaf primordium was observed 3 to 4 days after planting. Four or 5 leaf primordia were formed in spiral phyllotaxy with plastochrons lasting 1 day or less. The first floral primordium occurred in the axil of the uppermost leaf 7 to 9 days after planting. Floral parts became discernible 5 days later.

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