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Synchronous Pulsed Flowering in Passion Flower (Passiflora incarnata)


Affiliations
1 Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140 306, India
 

Daily observations of the number of flowers blossoming per day of passion flower, Passiflora incarnata reveal synchronous pulsed flowering. There seems to be no direct correlation between the observed temporal oscillations in flowering and environmental factors like the change in temperature, humidity and photoperiod. These temporal oscillations are characteristic of an open nonlinear dynamical system and are likely to arise from endogenous factors like the concentration of a florigen and an anti-florigen. A modified Lotka model is shown to mimic the monthly periodicity and the annual recurrence.

Keywords

Florigen, Lotka Model, Passion Flower, Passiflora incarnate, Temporal Oscillations.
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  • Synchronous Pulsed Flowering in Passion Flower (Passiflora incarnata)

Abstract Views: 348  |  PDF Views: 142

Authors

Surender Goyal
Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140 306, India
Rosmi Reji
Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140 306, India
Siddharth S. Tripathi
Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140 306, India
Narayanasami Sathyamurthy
Indian Institute of Science Education and Research Mohali, Sector 81, SAS Nagar, Manauli 140 306, India

Abstract


Daily observations of the number of flowers blossoming per day of passion flower, Passiflora incarnata reveal synchronous pulsed flowering. There seems to be no direct correlation between the observed temporal oscillations in flowering and environmental factors like the change in temperature, humidity and photoperiod. These temporal oscillations are characteristic of an open nonlinear dynamical system and are likely to arise from endogenous factors like the concentration of a florigen and an anti-florigen. A modified Lotka model is shown to mimic the monthly periodicity and the annual recurrence.

Keywords


Florigen, Lotka Model, Passion Flower, Passiflora incarnate, Temporal Oscillations.

References





DOI: https://doi.org/10.18520/cs%2Fv117%2Fi7%2F1211-1216