Fenología de los estados vegetativos de mandioca (Manihot esculenta Crantz) en base al tiempo térmico
Cassava (Manihot esculenta Crantz) is the fourth largest source of calories in the human diet, is also suitable for animal feed and biofuel extraction. This article aims to evaluate the performance of a thermal time (TT) model in order to characterize the phenological phases (FF) of two cassav...
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| Publicado en: | Revista de la Facultad de Ciencias Agrarias |
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| Autores principales: | , , , |
| Materias: | |
| Acceso en línea: | https://bdigital.uncu.edu.ar/fichas.php?idobjeto=4963 |
| Sumario: | Cassava (Manihot esculenta Crantz)
is the fourth largest source of calories in
the human diet, is also suitable for animal
feed and biofuel extraction. This article aims
to evaluate the performance of a thermal
time (TT) model in order to characterize the
phenological phases (FF) of two cassava
cultivars in a growth cycle of 280 days, grown
under field conditions in Corrientes, Argentina.
Phenological observations were done during
the years 2007/2008 and 2008/2009. The TT
calculation was based on the residual method;
the base temperature was 16°C. Differences
between cultivars were observed in the
degree-days (GD) accumulated to comply the
expansion of the first (00-01) and ninth leaf
(00-02 H9) FF, and in the thickening of roots
(00-04 ERR), the latter related to the leaf area
index (IAF). To complete the growth cycle the
cultivars Palomita and Amarilla required around
2027 and 2096 GD respectively. The growth
pattern and phenological development of the
cultivars based on the accumulated GD, can be
used to characterize the progress of the crop in
Corrientes environment.
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