Soil management in two systems, the system with no-tillage in the straw and the conventional planting, on the incidence and damage of onion thrips
DOI:
https://doi.org/10.19180/1809-2667.v21n12019p125-131Keywords:
Allium cepa, Thrips tabaci, Soil Management, AgroecologyAbstract
This study aims to evaluate the incidence and damage of onion thrips in two systems of soil management with no-tillage in the straw in the organic system and in the conventional system with soil tillage, and its relation with productivity. The onion cultivar used in the study was Epagri 362 Crioula Alto Vale. The study was conducted in 2014, 2015, 2016 and 2017. The incidence of thrips in most evaluations was lower in the organic system with no-tillage in the straw, presenting lower density of plants compared to the conventional one. Leaf damage caused by thrips tended to be similar in the two systems. Productivity was not negatively correlated with incidence and damage of thrips. Productivity was superior in the conventional system.Downloads
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