ISHS Acta Horticulturae 650: I International Symposium on Saffron Biology and Biotechnology
MODELING SAFFRON FLOWERING TIME ACROSS A TEMPERATURE GRADIENT |
| Authors: | M.A. Behdani, M. Nassiri, A.A. Koocheki |
| Keywords: | Crocus sativus, flower emergence |
| Abstract:
The objective of this study was to develop a thermal model that can be used for prediction of saffron flowering time. For this purpose, existing data on saffron flower emergence time were collected in a wide range of temperature regimes over the saffron production regions of Khorasan province (Iran). Linear second-order polynomial and 5-parameter beta models were used and statistically compared for their ability in predicting saffron flowering time as a function of temperature. The results showed a significant delay in flowering date across the temperature gradient. While beta model had a better statistical performance but the simple linear model also showed a good predicting ability and therefore, can be used as a reliable model. | |
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