Rice pests in the <scp>Republic</scp> of <scp>Benin</scp>: farmers' perceptions, knowledge and management practices

Toffa, Joelle; Loko, Yêyinou Laura Estelle; Djèdatin, Gustave; Gbemavo, Dossou Séblodo Judes Charlemagne; Orobiyi, Azize; Tchakpa, Cyrille; Ewedje, Eben-Ezer; Sabot, François

doi:10.1002/ps.6546

Cited by 4 publications

(5 citation statements)

References 46 publications

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“…50 A survey of the farmers of the Republic of Benin discussed the storage of rice in polyethylene bags, baskets, and the use of synthetic pesticides including banned ones. 51 Some of the farmers were found to make use of neem leaves and seeds powder for repelling and insecticidal purposes. The problem that these farmers encounter is the manpower required for continuous reapplication within a short period.…”

Section: Discussionmentioning

confidence: 99%

“…It includes the use of neem leaves and oils; mixing of different leaves accounting for more than 50% of the total surveyed farmers 50 . A survey of the farmers of the Republic of Benin discussed the storage of rice in polyethylene bags, baskets, and the use of synthetic pesticides including banned ones 51 . Some of the farmers were found to make use of neem leaves and seeds powder for repelling and insecticidal purposes.…”

Section: Discussionmentioning

confidence: 99%

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Insect repellent pellets – an application of botanicals against red flour beetle – their antifungal activity during storage and use as potential fumigants

Mangang

Manickam

2022

J Sci Food Agric

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BACKGROUND: The protection of grains from insect infestation is critical during storage. Insect repellent pellets (IRPs) are a potential technique to repel insects by hindering insect movement toward the grains. The basic principle of IRPs is the use of active components found in the oils of lemongrass, eucalyptus, and neem leaves for the controlled release of fumes, thereby avoiding the need for reapplication after a few days. Here, we examined the antifungal activity, the lethal dose, and the repelling effect of IRPs against red flour beetle, Tribolium castaneum, over a 30 day period. RESULTS: We observed that IRPs possessed antifungal properties and were able to repel the adults of T. castaneum. These insects ultimately died from the fumes if they manage to stay near the IRPs (LD 50 = 2 and LD 99 = 7 days). The active components (phenol, 2,4-di-tert-butyl-, citral, neral, geraniol, n-hexadecanoic acid) present in IRP during the initial stage were also found after a storage period of 35 days.CONCLUSION: The active components present in IRPs have antifungal, repellent, and fumigant properties. The IRPs can thus be termed potent botanical insecticides and are an alternative to synthetic insecticides.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Insect repellent pellets – an application of botanicals against red flour beetle – their antifungal activity during storage and use as potential fumigants

Mangang

Manickam

2022

J Sci Food Agric

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“…including Lepidoptera [21] , are analogous to the results of www.alpes-maritimes.gouv.fr (June 10, 2023) [22] reported two populations can present the same diversity index but different richness (species). According CIRAD (2020) [23] , altitude has a positive effect on insect diversity in a given environment. It would have influenced the variability of insect diversity and their distribution in environment.…”

Section: Phases Orders and Families Of Insectsmentioning

confidence: 99%

Abundance and diversity of pest’s insect of rice (Oryza sativa) in territory of Kabare, South Kivu/ Democratic Republic of Congo

Emmanuel,

Jules,

Pacifique

et al. 2023

J. Entomol. Zool. Stud.

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The study focused on the abundance and diversity of pest's insect of rice (Oryza sativa). Two varieties such as Komboka and Nerica4 were cultivated at Kashusha's rice fields in Kabare district of south Kivu, Eastern Democratic Republic of Congo. A split plot design was used. Insects were captured using a sweep net and by hand within each elementary plot between from 6.30 am to 8.30 am at the different stages started, 15 th , 66 th , 91 and 121 days after transplanting. This insect collection method consisted of capturing and harvesting insects by hand from the 2 diagonals of each compartment. Four captures had taken place during its cycle and this cycle has 4 different phenological stages (Nursery or seed plot, tillering, Cob/flowering and maturity). The insect pests collections on two varieties of rice tested allowed us to assess the dynamics and abundance of pest's insect of rice. On the two varieties 3077 insects were inventoried and retorted by 2204 individuals for Komboka and by 873 individuals for Nerica4. Those species belong to 5 orders and 25 species. Insect pest dynamics were different across all rice phenological stages within Kashusha's rice area.

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“…It is worth noting that the rice planthoppers can not only feed on rice but also efficiently spread plant viruses, causing serious double damage to rice. Without better pest control, it will be impossible to increase rice production to alleviate food shortages caused by population growth 4,27 . Therefore, pest management techniques are the key to maintaining crop quality and yield during rice production, and integrated pest management will be the model of crop protection recognized by many countries in the future 28,29 .…”

Section: Introductionmentioning

confidence: 99%

“…Without better pest control, it will be impossible to increase rice production to alleviate food shortages caused by population growth. 4,27 Therefore, pest management techniques are the key to maintaining crop quality and yield during rice production, and integrated pest management will be the model of crop protection recognized by many countries in the future. 28,29 Considering that planthoppers are the only means of SRBSDV transmission, the prevention and treatment of S. furcifera is an effective way to manage SRBSDV and slow the economic losses caused by the disease.…”

Section: Introductionmentioning

confidence: 99%

A systematic review of southern rice black‐streaked dwarf virus in the age of omics

Luo

Zhang

et al. 2023

Pest Management Science

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Southern rice black‐streaked dwarf virus (SRBSDV) is one of the most damaging rice viruses. The virus decreases rice quality and yield, and poses a serious threat to food security. From this perspective, this review performed a survey of published studies in recent years to understand the current status of SRBSDV and white‐backed planthopper (WBPH, Sogatella furcifera) transmission processes in rice. Recent studies have shown that the interactions between viral virulence proteins and rice susceptibility factors shape the transmission of SRBSDV. Moreover, the transmission of SRBSDV is influenced by the interactions between viral virulence proteins and S. furcifera susceptibility factors. This review focused on the molecular mechanisms of key genes or proteins associated with SRBSDV infection in rice via the S. furcifera vector, and the host defense response mechanisms against viral infection. A sustainable control strategy using RNAi was summarized to address this pest. Finally, we also present a model for screening anti‐SRBSDV inhibitors using viral proteins as targets. © 2023 Society of Chemical Industry.

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Rice pests in the Republic of Benin: farmers' perceptions, knowledge and management practices

Cited by 4 publications

References 46 publications

Insect repellent pellets – an application of botanicals against red flour beetle – their antifungal activity during storage and use as potential fumigants

Insect repellent pellets – an application of botanicals against red flour beetle – their antifungal activity during storage and use as potential fumigants

Abundance and diversity of pest’s insect of rice (Oryza sativa) in territory of Kabare, South Kivu/ Democratic Republic of Congo

A systematic review of southern rice black‐streaked dwarf virus in the age of omics

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