Performance of cauliflower cultivars in different phytosanitary management in summer/fall crops, under no-tillage, in Santa Catarina, Brazil
DOI:
https://doi.org/10.19180/1809-2667.v22n12020p82-91Keywords:
Brassica oleracea var. botrytis, Yield, Production systems, PesticidesAbstract
The objective of this study was to evaluate the performance of five cauliflower cultivars under conventional and alternative phytosanitary management system - without the use of synthetic pesticides. Two experiments were carried out at Epagri, Ituporanga Experimental Station in February 2018 and 2019. In each management a randomized block design with four replications was adopted, with plots of twenty plants of each cultivar, useful plot consisting of six central plants. The seedlings were planted over millet and velvet bean straw in a spacing of 0.5 m x 0.8 m. Aspects related to agronomic yield, quality of inflorescences, damage caused by pests and plant diseases, especially bacterial and fungal rot, were evaluated. The cauliflower hybrids Vera, Verona and Serena stood out in yield and quality, being the most suitable for sowing in summer / autumn off-season crops in the region of Alto Vale do Itajaí, SC, Brazil. The most productive cultivars were less damaged by bacterial diseases and defoliator caterpillars and without whitefly infestation interference in the yield. The results also reveal that it is possible to control pests and diseases using phytosanitary products with lower content of synthetic pesticide residues.Downloads
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