Abstract
The aim of this work was to evaluate the uniformity of fruit maturity and the productivity of conilon coffee in function of different periods of water stress in the post-harvest period. The study was conducted in a field from August 2014 to July 2015 in an old coffee crop of conilon coffee, cultivar Vitoria 'Incaper 8142', cultivated at a spacing of 3.0 × 1.2 m, located at the Federal Institute of Espirito Santo Campus Santa Teresa, ES, Brazil. The experimental design was in randomized blocks, with 4 treatments and 10 repetitions. Each useful plot consisted of 12 plants. The treatments consisted of the application of different levels of water deficit, being: control (continuous irrigation with humidity close to the field capacity) (T1); water deficit of 20 (T2); 40 (T3); and 60 (T4) days after harvest. Productivity was determined by harvesting and weighing the grains of each useful plot. The maturation uniformity was evaluated by random harvesting of 100 fruits in each plot. The application of the treatment with 60 days of water deficit presented greater uniformity of fruit maturation and water saving when compared to the other treatments. The treatment with estimated water deficit of 33 days after harvest showed higher average grain yield (79.2 sc ha-1). Key words: Coffea canephora, irrigation management, grain quality, water, productivity.
Highlights
Coffee cultivation is one of the most important economic activities in Brazil. Conab (2016), the country produced in 2015 about 43.24 million sacks of coffee benefited
The aim of this work was to evaluate the uniformity of fruit maturity and the productivity of conilon coffee in function of different periods of water stress in the post-harvest period
The improvement of the quality without damaging the productivity of conilon coffee in Espírito Santo is of utmost importance for coffee growers, since the consumer market is increasingly demanding, and there is a trend towards the progressive differentiation of the market in quality (Silva and Guimarães, 2012)
Summary
Coffee cultivation is one of the most important economic activities in Brazil. Conab (2016), the country produced in 2015 about 43.24 million sacks of coffee benefited. Conab (2016), the country produced in 2015 about 43.24 million sacks of coffee benefited. The. State of Espírito Santo (ES), which occupies less than 0.5% of the national territory, is the largest Brazilian coffee conilon state (Coffeea canephora), yielding 10.7. The improvement of the quality without damaging the productivity of conilon coffee in Espírito Santo is of utmost importance for coffee growers, since the consumer market is increasingly demanding, and there is a trend towards the progressive differentiation of the market in quality (Silva and Guimarães, 2012). One challenge faced by coffee growers in relation to coffee quality is the harvesting of cherry fruits at the same maturation stage
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