Question

Explain photoperiodism and discuss it in xanthium and cucumis?

Answer 1

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Photoperiodism determines the season in which a particular plant shall come to flower. For example, short-day plants develop flowers in autumn-spring period (e.g., Dahlia, Xanthium) while long-day plants produce flowers in summer (e.g., Amaranthus).

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Answer 2

Answer:

Explanation:.