Tank mixture of pesticides for Tuta absoluta and Neoleucinodes elegantalis control in tomato crop
The use of pesticides in tank mixtures is important to reduce application costs and increase pest control, mainly. The objective of this study was to evaluate the influence of manganese foliar fertilizers on the effectiveness of the chlorantraniliprole (Chlt) to control tomato leaf miner and tomato fruit borer in tomato crop and to evaluate the possible effects of these mixtures on plant physiology. The experiment was conducted in a greenhouse, on randomized block design with eight treatments and four replications each. The treatments were: 1 – Chlt; 2 – Chlt + MnSO4; 3 – Chlt + Mn(NO3)2; 4- Chlt + Break-Thru (BTH); 5 - Chlt + MnSO4 + BTH; 6 – Chlt + Mn(NO3)2 + BTH; 7 – Chlt + MnSO4 + Mn(NO3)2 + BTH; 8 - Control. The physical chemical properties, physiological effects, pesticide efficacy and yield were evaluated. The results showed that the use of chlorantraniliprole in mixture with adjuvant and foliar fertilizers did not influence its efficacy against Tuta absoluta and Neoleucinodes elegantalis. Also, the mixture did not influence the chlorophyll content and all the nutrients content were in appropriate levels. We conclude that tank mixture with manganese foliar fertilizers do not have influence over the efficacy nor the physiological characteristics. The physical chemical evaluations changed according to each manganese salt add in the mixture.
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