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Ciência e Natura, (40), p. 11, 2019

DOI: 10.5902/2179460x35494

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Uso de diferentes pontas de pulverização no controle de doenças no trigo

This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

Unstable environmental factors contribute to the incidence of diseases and pests, causing reduced yield and grain contamination, especially the attack by Giberela (Fusarium graminerum). In this scenario, appropriate management techniques are needed. Strategies such as choosing the suitability of the spray tip for chemical control are indispensable. The aim of this study was to use four spray tips: CVI 11002, ADI ISO 11002, TVI ISO 8002 and ATR 8002. The experiment was conducted in the experimental area of The State University of Rio Grande do Sul, in the district of Três Vendas, in Cachoeira do Sul-RS. The cultivar used was TBIO SELETO. The fungicide used was Nativo®. A completely randomized experimental design with 4 replicates and a control plot was adopted. The following parameters were evaluated: weight of one thousand grains (PMG, %), hectoliter weight (PH; kg hL-1) and yield (PRD; kg ha-1). The variance was tested by applying the Snedcor F test (p<0.05) and the means were compared by the Tukey's test (p<0.05). The weight of one thousand grains, hectoliter weight and yield were not influenced by the use of different spray tips adopted in the wheat phytosanitary control.