Catalogue of Insect Bio-Diversity in High Density Guava after Trash Mulching
Yasodha, P, S. Sheeba Joyce Roseleen, M.S. Sindhuja, R.C. Sivasakthi, R Sneha
Asian Research Journal of Agriculture · pp. 1157–1163 · Published 30 Dec 2024
10.9734/arja/2024/v17i4630Abstract
Trash mulching in crops increases yield and conserve the insect biodiversity. An experiment on mulching with leaf litters was conducted in high density guava with an idea of conserving. The results showed more insect diversity in mulched than non-mulched trees. The insect species catalogued in the study were 9 herbivores and 24 natural enemies. A total of 33 insect species were thus catalogued. A new white grub species was first time documented in HDP guava from Tamil Nadu. The Shannon Index of the insect herbivores were 1.21 and 1.24 in mulched and non-mulched plot, respectively. The Simpson index of the insect herbivores was 0.64 and 0.65 in mulched and non-mulched plots, respectively. Higher species diversity of the insect predators was achieved with the shannon Index (0.23) and Simpson’s Index (0.04) in mulched trees. A total of 12 number of Trichogramma sp, wer also recorded. From the mealybug Paracoccus marginatus, parasitoids such as Acerophagus papayae, Pseudleptomastix mexicana , Prochiloneurus pulchellus and Allotropa sp. were recorded.
References (3)
- 1 Effects of mulching on above and below ground pests and beneficials in a green onion agroecosystem [DOI]
- 2 Recent Scenario of Insect-pests of Guava in North East India and Their Eco-friendly Management
- 3 Effect of mulching on diversity and abundance of natural enemies associated with brinjal (Solanum melongena L.) crop in Mawathagama, Kurunegala (IL1) [DOI]
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