Quantifying Cardinal Temperatures of Chia (Salvia hispanica L.) Using Non-Linear Regression Models
Por:
Cabrera-Santos, Daniel, Ordoñez-Salanueva C.A., Sampayo-Maldonado, Salvador, Campos, Jorge E., Orozco-Segovia, Alma, Flores-Ortiz, Cesar M.
Publicada:
1 may 2022
Resumen:
Temperature is the main factor that impacts germination and therefore
the success of annual crops, such as chia (Salvia hispanica L.), whose
seeds are known for their high nutritional value related to its oil. The
effect of temperature on germination is related to cardinal-temperature
concepts that describe the range of temperature over which seeds of a
particular species can germinate. Therefore, in this study, in addition
to calculated germinative parameters such as total germination and
germination rate of S. hispanica seeds, the effectiveness of non-linear
models for estimating the cardinal temperatures of chia seeds was also
determined. We observed that germination of S. hispanica occurred in
cold to moderate-high temperatures (10-35 degrees C), having an optimal
range between 25 and 35 degrees C, with the highest GR and t(50) at 30
degrees C. Temperatures higher than 35 degrees C significantly reduced
germination. Output parameters of the different non-linear models showed
that the response of chia germination to temperature was best explained
by beta models (B). Cardinal temperatures calculated by the B1 model for
chia germination were: 2.52 +/- 6.82 degrees C for the base, 30.45 +/-
0.32 degrees C for the optimum, and 48.58 +/- 2.93 degrees C for the
ceiling temperature.
Filiaciones:
Cabrera-Santos, Daniel:
Laboratorio de Fisiología Vegetal, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla, C.P. 54090, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Fisiol Vegetal, Unidad Biol Tecnol & Prototipos UBIPRO, Av Barrios 1, Los Reyes Iztacala 54090, Tlalnepantla, Mexico
Ordoñez-Salanueva C.A.:
Laboratorio de Fisiología Vegetal, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla, C.P. 54090, Mexico
Sampayo-Maldonado, Salvador:
Laboratorio de Fisiología Vegetal, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla, C.P. 54090, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Fisiol Vegetal, Unidad Biol Tecnol & Prototipos UBIPRO, Av Barrios 1, Los Reyes Iztacala 54090, Tlalnepantla, Mexico
Campos, Jorge E.:
Laboratorio de Bioquímica Molecular, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, C.P. 54090, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Bioquim Mol, Tlalnepantla 54090, Mexico
Orozco-Segovia, Alma:
Departamento de Ecología Funcional, Instituto de Ecología, Universidad Nacional Autónoma de México, Coyoacán, Mexico City, C.P. 04510, Mexico
Univ Nacl Autonoma Mexico, Inst Ecol, Dept Ecol Func, Mexico City 04510, DF, Mexico
Flores-Ortiz, Cesar M.:
Laboratorio de Fisiología Vegetal, Unidad de Biología, Tecnología y Prototipos (UBIPRO), Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla, C.P. 54090, Mexico
Laboratorio Nacional en Salud, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla, C.P. 54090, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Fisiol Vegetal, Unidad Biol Tecnol & Prototipos UBIPRO, Av Barrios 1, Los Reyes Iztacala 54090, Tlalnepantla, Mexico
Univ Nacl Autonoma Mexico, Fac Estudios Super Iztacala, Lab Nacl Salud, Av Barrios 1, Los Reyes Iztacala 54090, Tlalnepantla, Mexico
Green Published, gold, All Open Access; Gold
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