Photoperiodism the biological calendar

The flowering response of the rice plant to photoperiod a review of the literature von Vergara, B. S.

Effects of photoperiodism of the chlorophyll content and leaf ultrastructure in the winged bean Psophocarpus tetragonolobus(L.) DC. von Tabbada, Reynaldo A., Flores, Ma. Agnes A.

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The flowering response of the rice plant to photoperiod a review of the literature von Vergara, B. S., Chang, T.T

The flowering response of the rice plant to photoperiod a review of the literature von Vergara, B. S.

The flowering response of the rice plant to photoperiod a review of the literature von Vergara, B. S.

The flowering response of the rice plant to photoperiod a review of the literature von Vergara, B. S.

Insect photoperiodism von Beck, Stanley D.

Animal photoperiodism; relationship of daylength to animal growth, development, and behavior. von Beck, Stanley D.

Effect of temperature and photoperiod on ovarian recrudescence and maintenance of vitellogenic oocytes in the catfish, Clairias macrocephalus Gunther von Pacoli, Cecily S. Quebral