Some Physiological Effects of Viviparous Genes vp1 and vp5 on Developing Maize Kernels 1

AUTOR(ES)

Wilson, George F.

RESUMO

The effects of two viviparous genes, vp1 and vp5, on development of the maize (Zea mays L.) embryo and endosperm were investigated. Differences between viviparous and normal embryos first appeared at 25 to 30 days after pollination. Increases in fresh weights indicated that viviparous began to grow more rapidly than normal embryos at that time. Amino acids and ethanol-soluble carbohydrates also accumulated more rapidly in viviparous, but a reserve material (lipid) was lower in viviparous than in normal embryos.

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