Agriculturae Conspectus Scientificus, Vol 88, No 2 (2023)

Influence of Accession and Collection Method on the Diversity and Abundance of Insect Taxa on Muskmelon

Olusegun Adebayo OJUMOOLA, Adetomi Olamide ADEKOYA, Modupe ADEBAYO

Pages: 141-149



Muskmelon, Cucumis melo L. is an annual cucurbit cultivated for its nutritional and medicinal fruits and seeds. The use of conventional insecticides for insect pest control on C. melo is deleterious to health and environment thus necessitating an Integrated Pest Management (IPM) approach. Decision making in IPM programs would, however, benefit greatly from insect diversity information. Even so, such information may be influenced by crop type and insect collection method. Consequently, insect diversity and abundance as influenced by C. melo accessions (NHCmGm-1 and NHCmKn-1) and collection method (handpicking, sweep net and pitfall trap methods) were investigated. Seeds of both accessions were planted on raised beds following standard methods. Collection by handpicking was done from 3rd to 5th week after planting (WAP). In contrast, sweep net and pitfall trap methods were used from 6th to 10th WAP. The highest abundance of specimens on NHCmGm-1 and NHCmKn-1 respectively, belonged to order Hymenoptera (53.9% and 65.6%) and family Formicidae (40.2% and 29.1%). Insects in the order Hymenoptera also formed the majority of specimens collected using handpicking (53.6%), sweep net (64.6%) and pitfall trap (59.6%) methods. Shanon’s diversity index (H) of specimen was significantly higher on NHCmGm-1 (1.9590) than on NHCmKn-1 (1.298). Specimens collected with pitfall traps had the highest abundance (721) but the lowest H index (1.255). In contrast, insect collections with sweep nets had the richest species diversity (1.962). These results show that insect diversity and abundance in C. melo systems was significantly influenced by accession type and collection method.



Cucumis melo L., IPM, Shanon’s diversity index, sweep net, pitfall trap

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