Pesquisa Agropecuária Tropical (Sep 2007)

CONTROLE QUÍMICO DOS PULG��ES Mysus persicae E Brevicoryne brassicae NA CULTURA DA COUVE-FLOR COM INSETICIDAS APLICADOS NA FORMA DE ESGUICHO CHEMICAL CONTROL OF APHIDS Mizus persicae AND Brevicoryne brassicae ON CAULIFLOWER WITH INSECTICIDES APPLIED IN TRANSPLANT HOLES

  • Selby Pereira dos Santos,
  • Stanley Vaz Santos,
  • Natan Fontoura da Silva,
  • Antônio Lopes da Silva,
  • Júlio Cezar Silveira Nunes

DOI
https://doi.org/10.5216/pat.v29i2.2834
Journal volume & issue
Vol. 29, no. 2
pp. 9 – 11

Abstract

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<!-- @page { margin: 2cm } --> <p class="western" align="justify"><span style="font-size: small;"><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">Avaliou-se o controle químico dos pulgões </span></span><span style="font-family: Times New Roman,serif;"><em>Mysus</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> e </span></span><span style="font-family: Times New Roman,serif;"><em>Brevicoryne</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">, em couve-flor, através dos inseticidas Confidor 700 GRDA e Confidor 200 SC, na área experimental da Escola de Agronomia da Universidade Federal de Goiás em maio de 1998. Foram utilizadas duas dosagens para cada um dos inseticidas, um inseticida padrão (Tamaron Br) e uma testemunha. Confidor 700 GRDA e Confidor 200 SC, ambos em duas dosagens, foram aplicados em uma única vez nas covas de transplante, com um pulverizador costal, utilizando bico de esguicho. A avaliação dos resultados de </span></span><span style="font-family: Times New Roman,serif;"><em>M. persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> constou de contagens de ninfas e adultos em folhas escolhidas ao acaso, nas plantas da linha central das parcelas, 35 dias após os tratamentos. A mesma metodologia foi utilizada para a avaliação de</span></span><span style="font-family: Times New Roman,serif;"><em> B. brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> 48 dias após o tratamento. O tratamento com Tamaron Br foi aplicado na forma de pulverizações semanais, ocorrendo as avaliações aos 7 e 14 dias após a última aplicação. Confidor 700 GRDA e 200 SC controlaram eficientemente os pulgões </span></span><span style="font-family: Times New Roman,serif;"><em>M. persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> e </span></span><span style="font-family: Times New Roman,serif;"><em>B. brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> sobre a couve-flor, nas menores dosagens, sendo superiores ao Tamaron Br no controle de </span></span><span style="font-family: Times New Roman,serif;"><em>B. Brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">.</span></span></span></p> <p class="western" align="justify"><span style="font-size: small;"><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">PALAVRAS-CHAVE: </span></span><span style="font-family: Times New Roman,serif;"><em>Insecta</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; inseticidas; </span></span><span style="font-family: Times New Roman,serif;"><em>Mysus</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; </span></span><span style="font-family: Times New Roman,serif;"><em>Brevicoryne</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; couve-flor.</span></span></span></p><!-- @page { margin: 2cm } --> <p class="western" align="justify"><span style="font-size: small;"><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">The chemical control of the aphids </span></span><span style="font-family: Times New Roman,serif;"><em>Mysus</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> and </span></span><span style="font-family: Times New Roman,serif;"><em>Brevicoryne</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">, in cauliflower, through insecticide Confidor 700 GRDA and Confidor 200 SC, was evaluated in an experimental area of the Federal University of Goiás, in May 1998. Two dosages for each one of the insecticides, as standard insecticide (Tamaron) and a witness were used. Confidor 700 GRDA and Confidor 200 SC were applied at only turn in the transplanted holes, with a coastal atomizer, using jet beak. The evaluation of the results of </span></span><span style="font-family: Times New Roman,serif;"><em>M. persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> consisted of counting the nymphs and adults in leaves chosen by chance in plants of the central line of the parcels 35 days after the treatments. The same method was employed for the evaluation of </span></span><span style="font-family: Times New Roman,serif;"><em>B. brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> 48 days after the chemical control. The treatment with Tamaron Br was applied in form of weekly applications. Confidor 700 GRDA and 200 SC controlled the aphids </span></span><span style="font-family: Times New Roman,serif;"><em>M. persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> and </span></span><span style="font-family: Times New Roman,serif;"><em>B. brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> efficiently on the cauliflower, in minor dosages, being superior to Tamaron Br, as far as the control of </span></span><span style="font-family: Times New Roman,serif;"><em>B. brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> is concerned.</span></span></span></p> <p class="western" align="justify"><span style="font-size: small;"><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">KEY-WORDS: </span></span><span style="font-family: Times New Roman,serif;"><em>Insecta</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; insecticides; </span></span><span style="font-family: Times New Roman,serif;"><em>Mysus</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>persicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; </span></span><span style="font-family: Times New Roman,serif;"><em>Brevicoryne</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;"> </span></span><span style="font-family: Times New Roman,serif;"><em>brassicae</em></span><span style="font-family: Times New Roman,serif;"><span style="font-style: normal;">; cauliflower.</span></span></span></p>

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