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Application Frequency and Dosage of Mepiquat Chloride as a Growth Regulator for Coker Cotton Variety in Ecuador

Application Frequency and Dosage of Mepiquat Chloride as a Growth Regulator for Coker Cotton Variety in Ecuador

Luis Fernando Díaz-Toral1, Carlos Eddy Alvarado-Zamora1, Ernesto Gonzalo Cañarte-Bermúdez2*, José Bernardo Navarrete-Cedeño2, Gilmar Jesús Cañarte-Cañarte1 and Fernando David Sánchez-Mora1* 

1Departamento de Ciencias Agronómicas, Facultad de Ingeniería Agronómica, Universidad Técnica de Manabí, Lodana, Ecuador; 2Departamento de Entomología, Instituto Nacional de Investigaciones Agropecuarias (INIAP). Portoviejo, Manabí, Ecuador.

*Correspondence | Ernesto Gonzalo Cañarte-Bermúdez and Fernando David Sánchez-Mora, Departamento de Ciencias Agronómicas, Facultad de Ingeniería Agronómica, Universidad Técnica de Manabí, Lodana, Ecuador; Departamento de Entomología, Instituto Nacional de Investigaciones Agropecuarias (INIAP). Portoviejo, Manabí, Ecuador; Email: ernesto.canarte@iniap.gob.ec, fernando.sanchez@utm.edu.ec 
 

Figure 1:

Comparative analysis between treatments with growth regulator vs. control (no growth regulator), in plant height (cm) (A), stem diameter (mm) (B), daily height increase (cm/day) in production stage (C), apical internodes length (cm) (D), leaf greenness index (SPAD)(E) and total number branches/plant (F) in the Coker cotton variety.

Figure 2:

Comparative analysis between treatments with growth regulator vs. control (no growth regulator), in total number of flower buds/plant (A), total number of cotton bolls/plant (B), weight (g) of ten unopened cotton bolls (C), and yield of raw cotton (kg ha-1) (D) in the Coker cotton variety.

Sarhad Journal of Agriculture

September

Vol.40, Iss. 3, Pages 680-1101

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