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Side Effects of Lambda Cyhalothrin and Thiamethoxam on Insect Pests and Natural Enemies Associated with Cotton

Side Effects of Lambda Cyhalothrin and Thiamethoxam on Insect Pests and Natural Enemies Associated with Cotton

Nelson D. Zambrano1, Wilber Arteaga1, José Velasquez2 and Dorys T. Chirinos1*

1Facultad de Ingeniería Agronómica, Universidad Técnica de Manabí, Provincia de Manabí, Ecuador; 2Agencia de Regulación Control Fito y Zoosanitario (Agrocalidad), Manta Ecuador.

Figure 1:

Number of nymphs of Bemisia tabaci and percentage of parasitism exerted by Encarsia pergandiella on cotton leaves for the treatments. Arrows indicate spray dates. Year: 2019.

Figure 2:
Linear regression equations between the number of Bemisia tabaci nymphs (X) and the percentage of parasitism (Y) exerted by Encarsia pergandiella on cotton leaves, for the treatments.
Figure 3:

Number of Aphis gossypii individuals and percentage of parasitism exerted by Lysiphlebus testaceipes in cotton leaves, for the treatments. Arrows indicate spray dates. Year: 2019.

Figure 4:
Linear regression equations between the number of individuals of Aphis gossypii (X) and percentage of parasitism (Y) exerted by Lysiphlebus testaceipes in cotton leaves, for the treatments.
 
Figure 5:

Morphological characteristics of the species Thrips palmi Karny.

Figure 6:

Number of individuals of Dysdercus spp. on cotton leaves, for the treatments. Year: 2019.

Sarhad Journal of Agriculture

March

Sarhad Journal of Agriculture, Vol.40, Iss. 1, Pages 01-262

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