Phytosociological Survey of Weeds in Coffee Plants Irrigated Under Different Systems

Simônica Maria De Oliveira, Abner José De Carvalho, Ignacio Aspiazú, Polyanna Mara De Oliveira, João Victor Santos Guerra, Fernando Henrique Batista Machado, Joseilton Faria Silva, Andrey Antunes De Souza, Fernando Gomes Silva and Marlon Lopes Lacerda

Journal of Agricultural Science, 2024, vol. 12, issue 11, 179

Abstract: The objective was to identify the species and quantify the importance value index of weeds in the cultivation of arabica coffee in two irrigation systems, at different times of the year, in the northern region of Minas Gerais. A phytosociological survey was carried out in each season of the year (spring, summer, autumn and winter) in an area cultivated with the species Coffea arabica, subjected to two irrigation systems (sprinkling and dripping). The coffee crop was implanted at a spacing of 3.5 m between rows and 0.7 meters between plants. The collection of weeds was performed using the standard method of the square inventory, which was launched between the lines of the crop. The identification of the species was carried out, the number of individuals was quantified, the dry mass, frequency, density, abundance, importance value index and coverage, and the similarity index. 33 weed species were identified, being the species with the highest IVI Euphorbia hirta, Brachiaria plantaginea, Digitaria horizontalis, Cyperus rotundus and Amaranthus spp. It was observed a higher occurrence of weeds from the monocot group in the sprinkler irrigation system while in the drip there were predominance of dicot plants.

Date: 2024
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