Response to cayman grass (Brachiaria hybrid cv. CIAT BRO2/1752) to water deficit

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Roberqui Martín
José M. Dell´Amico
Pedro J. Cañizares

Abstract

The objective of this work was to study, the effect of two irrigation treatments on soil moisture content, growth and yield variables in the Cayman grass (Brachiaria hybrid).
The cultivar employed was CIAT BRO2 / 1752 grown in double row in concrete containers of 1,56 m2. Irrigation treatments consisted of applying 50 and 100 % of ETc, (T 50 and T 100, respectively). Bottom fertilization was performed before planting with complete NPK (9-13-17) and urea (46-0-0), applying to each channel 0,1and 0,04 kg, respectively. The irrigation was applied through an automated system of micro spray and the delivery of the water was controlled by valves placed conveniently in each treatment. The results showed a significant effect of the treatments on the soil water content where the T 50 plants showed a water deficit at 50 and 74 days after sowing (DAS), also the effect of the irrigation treatments on the growth variables was observed where significant differences were only found in the accumulation of dry mass of the aerial part, root and total of T 100 plants. The relative content of water decreased in plants T 100 although this did not influence to obtain higher results in dry mass production (t ha-1).

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How to Cite
Martín, R., Dell´Amico, J. M., & Cañizares, P. J. (2018). Response to cayman grass (Brachiaria hybrid cv. CIAT BRO2/1752) to water deficit. Cultivos Tropicales, 39(1), 113–118. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/1435
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Original Article

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