Controle da broca da cana-de-açúcar Diatraea saccharalis (Fabricius, 1794) (Lepidoptera: Crambidae) através de isca tóxica

Erler, Greice

doi:10.11606/d.11.2010.tde-26112010-144048

Cited by 1 publication

(1 citation statement)

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“…Despite the widespread adoption of biological control in the management of sugarcane borer, chemical control has been adopted to keep the pest population below the level of economic damage. Insecticides must be applied to the first two larval instars, trying to prevent the caterpillars from penetrating the inside of the stalk (CRUZ, 2007;ERLER, 2010).…”

Section: Introductionmentioning

confidence: 99%

Performance of insecticides in control of Diatraea saccharalis (Lepidoptera: Crambidae) in sugarcane

2020

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The population of the caterpillar Diatraea saccharalis (Lepidoptera: Crambidae) has increased in the crop of sugarcane in recent years. Although the control of this insect is traditionally carried out through biological control, the use of phytosanitary products has still been necessary. Therefore, the goal of this work was to evaluate the performance of different insecticides in sugarcane borer control, as well as the effect on productivity and total recoverable sugar (TRS). The experiment was conducted in a randomized experimental delineation of blocks, with six treatments and four blocks. Treatments consisted of five insecticides and one control group (without application of insecticide). For calculating the D. saccharalis infestation index, monthly samplings were performed every 30 days, for 12 months. After this period, the final D. saccharalis infestation index was evaluated and calculated for each treatment. In order to compare productivity among procedures, four central lines were collected from each plot. Thus, the samples were weighed for the productivity calculation (TCH) and sent to the laboratory for the total recoverable sugar (TRS) analysis. The chloranthraniliprole (350) insecticide provided a lower index of sugarcane borer infestation, in addition to greater productivity when compared to the other insecticides. There was no significant difference in the parameter of total recoverable sugar (TRS) among treatments.

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Section: Introductionmentioning

confidence: 99%