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Comparison of heat-unit methods to predict tomato anthesis

Bouzo CA, JC Favaro

Departamento de Producción Vegetal, Facultad de Ciencias Agrarias, Universidad Nacional del Litoral. Kreder 2805. C.P. 3080. Esperanza, Santa Fe, Argentina.

* Corresponding Author:Address Correspondence to: Dr. Carlos Alberto Bouzo, Fax 054-03496-426400; Phone 054-03496-420639 Int. 161; e-mail: email

Phyton-International Journal of Experimental Botany 2014, 83(all), 167-170.


The aim of this work was to compare methods to predict the time of anthesis in tomato (Solanum lycopersicum L.). Two independent experiments were carried out using seeds of the Tauro commercial hybrid. Daily maximum and minimum air temperatures were measured by means of an electronic thermometer with data storage; the photoperiod was calculated using a mathematical procedure. The moment at which each inflorescence presented 50% of its flowers in anthesis was recorded. The use of calendar days (CD) had a high dispersion, which was measured with a variation coefficient (VC) higher than 3.70% for all inflorescences. The method that considered both a base temperature and the photoperiod allowed the highest prediction uniformity for the conditions of this assay, since its VC was lower than 0.30%.


Cite This Article

APA Style
CA, B., Favaro, J. (2014). Comparison of heat-unit methods to predict tomato anthesis. Phyton-International Journal of Experimental Botany, 83(all), 167-170.
Vancouver Style
CA B, Favaro J. Comparison of heat-unit methods to predict tomato anthesis. Phyton-Int J Exp Bot. 2014;83(all):167-170
IEEE Style
B. CA and J. Favaro, "Comparison of heat-unit methods to predict tomato anthesis," Phyton-Int. J. Exp. Bot., vol. 83, no. all, pp. 167-170. 2014.


cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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