Evaluation of biological control strategies for Polyphagotarsonemus latus (Banks) and Phyllocoptruta oleivora (Ashmead) on Valencia orange

Acta Agronómica

Imbachi L, Karol²  Cuchimba, Mayra²  Lozano, Héctor²  Matabanchoy, Jesús Harvey²  Mesa C, Nora Cristina²  Carabalí, Arturo¹  Rodríguez T, Isaura Viviana²  Gómez G, Ibete² 

[1] Universidad Nacional de Colombia Sede Palmira, Palmira, Colombia;Universidad Nacional de Colombia Sede Palmira

关键词: Beneficial agents exclusion;    Chrysoperla carnea;    citrus mite;    Phytoseiidae;   

DOI  :  

学科分类：农业科学（综合）

来源: Universidad Nacional de Colombia * Facultad de Ciencias Agropecuarias Palmira

【 摘 要 】

The mites damage caused by P. latus and P. oleivora in the orange crop Valencia (Citrus sinensis L.) has an economical detrimental impact due to the external damage of the fruits. To evaluate the effect of biological control agents for these two pests, this work was carried out in a commercial crop in Caicedonia, Cauca Valley, Colombia. The experimental design consisted of a randomized complete block, in which the following treatments were evaluated: (1) release of Phytoseiidae native species: Neoseiulus anonymus, Neoseiulus californicus, Iphiseiodes zuluagai and Amblyseius herbicolus (500 individuals / tree); (2) release of Chrysoperla carnea larvae (100 larvae / tree); (3) exclusion of beneficial agents (localized application of cypermethrin 2 cm3/lt) and (4) control farmer (localized application of abamectin, 1.5 cm3/lt). The releases and applications of the treatments were made on floral clusters and fruit marked in the middle third of each tree. Evaluations were made weekly until harvest time. For management of P. latus it was found that the treatments Phytoseiidae release, C. carnea release and abamectin application showed the least damage; exclusion of the beneficial agents demonstrated the importance of the natural control agents on this pest. For management of P. oleivora, C. carnea release and abamectin application showed the least damage. In release treatments of Phytoseiidae native species and the exclusion of beneficial agents, P. oleivora caused significant damage.

【 授权许可】

Unknown