Germination of Coffea arabica L. var. Sarchimor with biostimulants and their subsequent effect on seedling growth

In promoting new coffee plantations, a decisive element is the use of vigorous seedlings. The objective of this research was to evaluate the effect of biostimulant products on the germination of Arabic coffee (Coffea arabica L.) var. Sarchimor and the possible effect of these treatments on seedling growth in the nursery. The planting material used was seeds of the Sarchimor C-1669 variety. Three biostimulants were evaluated: vermicompost leachate from bovine manure in concentrations of 1:10 (v:v) and 2:10 (v:v); Trichoderma spp. in concentrations of 2 ml L-1 of 1x109 (CFU ml-1) and 4 ml L-1 of 1x109 (CFU ml-1) and efficient microorganisms in concentrations of 1:10 (v:v) and 2:10 (v:v), using water as a control. The variables evaluated were germination percentage (between 30 and 45 days after sowing), seedling height (cm) and stem diameter (mm); the latter were measured at 60, 90 and 120 days after the appearance of the cotyledons. A completely randomized design was used, with 7 treatments and 4 repetitions. The data were subjected to analysis of variance and the means were compared with the Tukey test (p <0.05). It was observed that the three products stimulated germination and growth with respect to the control, highlighting the effect of Trichoderma spp. (4 ml L-1 of 1x109 CFU ml-1) in plant height and stem diameter. The use of these biostimulants in nurseries for the production of planting material of this variety of coffee tree and its study in other varieties of this species is recommended.

• Автор: Pincay Menéndez, Joffre Daniel (author)
• Інші автори: Héctor Ardisana, Eduardo Fidel (author), Torres García, Antonio (author), Fosado Téllez, Osvaldo (author)
• Формат: article
• Мова: spa
• Опубліковано: 2022
• Предмети: fisiología vegetal; cafeto; bioestimulación; plant phisiology; coffee tree; biostimulation
• Онлайн доступ: https://revistas.utm.edu.ec/index.php/latecnica/article/view/4097