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DNA Barcoding of Insects and Its Direct Application for Plant Protection

Open Journal of Applied Sciences（应用科学） 2024年第3期 676页

作者： Peter Quandahor Iddrisu Yahaya Francis Kusi Issah Sugri Julius Yirzagla Abdul Karim Alhassan jerry a.nboyine George Y.Mahama Godwin Opoku Mohammed Mujitaba Dawuda Asieku Yahaya Theophilus Kwabla Tengey Rofela Combey John Abraham

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DNA Barcoding of Insects and Its Direct Application for Plant Protection

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Open Journal of Applied Sciences 2024年第3期14卷 676-686页

作者： Peter Quandahor Iddrisu Yahaya Francis Kusi Issah Sugri Julius Yirzagla Abdul Karim Alhassan jerry A. nboyine George Y. Mahama Godwin Opoku Mohammed Mujitaba Dawuda Asieku Yahaya Theophilus Kwabla Tengey Rofela Combey John Abraham CSIR-Savanna Agricultural Research Institute Tamale Ghana Faculty of Agriculture Food and Consumer Science University for Development Studies Tamale Ghan Department of Conservational Biology and Entomology School of Biological Sciences University of Cape Coast Ghana

The introduction of invasive insect pests across national borders has become a major concern in crop production. Accordingly, national plant protection organizations are challenge to reinforce their monitoring strategies, which are hampered by the weight and size of inspection equipment, as well as the taxonomic extensiveness of interrupted species. Moreover, some insect pests that impede farmer productivity and profitability are difficult for researchers to address on time due to a lack of appropriate plant protection measures. Farmers’ reliance on synthetic pesticides and biocontrol agents has resulted in major economic and environmental ramifications. DNA barcoding is a novel technology that has the potential to improve Integrated Pest Management decision-making, which is dependent on the ability to correctly identify pest and beneficial organisms. This is due to some natural traits such as phenology or pesticide susceptibility browbeaten by IPM strategies to avert pest establishment. Specifically, Deoxyribonucleic acid (DNA) sequence information was applied effectively for the identification of some micro-organisms. This technology, DNA barcoding, allows for the identification of insect species by using short, standardized gene sequences. DNA barcoding is basically based on repeatable and accessible technique that allows for the mechanisation or automation of species discrimination. This technique bridges the taxonomic bio-security gap and meets the International Plant Protection Convention diagnostic standards for insect identification. This review therefore discusses DNA barcoding as a technique for insect pests’ identification and its potential application for crop protection.

关键词： DNA Barcoding Integrated Pest Management Taxonomy Biosecurity Crop Protection

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Agroecological management of a soil-dwelling orthopteran pest in vineyards

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Insect Science 2018年第3期25卷 475-486页

作者： jerry Asalma.nboyine Stephane Boyer David J. Saville Stephen David Wratten Bio-Protection Research Centre Lincoln University Christchurch New Zealand CSIR Savanna Agriculture Research Institute Tamale Ghana Environmental and Animal Sciences Unitec Institute of Technology Auckland New Zealand Saville Statistical Consulting Limited Lincoln New Zealand

The efficacy of different combinations of undervine and inter-row treatments for managing a soil-dwelling orthopteran pest, weta （Hemiandrus sp.）, in vineyards was investigated over 2 seasons. This insect damages vine buds, thus reducing subsequent grape yield. The undervine treatments comprised pea straw mulch, mussel shells, tick beans [Viciafaba Linn. var minor （Fab）], plastic sleeves on vine trunks （treated control） and control （no intervention）, while inter-rows contained either the existing vegetation or tick beans. Treatments were arranged in a randomized complete block design with 10 replicates. Data were collected on weta densities, damage to beans and components of yield. The latter were numbers of bud laid down per vine, shoots per bud, clusters per shoot, grape bunches per vine, bunch weight and yield. The undervine treatments significantly affected all variables except the number of shoots per bud. In contrast, none of the variables was significantly affected by the inter-row treatments or their interaction with undervine treatments, apart from weta density. At the end of the experiment, weta density in the shell treatment was about 58% lower than in the control. As a result, there was about 39% significant yield increase in that treatment compared to the control. Although the undervine beans and sleeves treatments increased yield, there were no reductions in weta density. With undervine beans, the insect fed on the bean plants instead of vine buds. Thus, yield in that treatment was approximately 28% higher than in the control. These results demonstrate that simple agroecological management approaches can reduce above-ground damage by soil-dwelling insects.

关键词： cover crops grapevine yield pest management soil-dwelling insects vineyards yield loss

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