Monitoring and Management of Tomato Leaf Miner, (Tuta absoluta, Meyrick) in Kavrepalanchowk, Nepal

Adhikari, Debraj; Subedi, R. K.; Gautam, S; Pandit, Devanshi; Sharma, D. R.

doi:10.3126/aej.v20i0.25001

Cited by 3 publications

(8 citation statements)

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“…It is originated from Latin America. In Nepal, it is suspected to have transferred from India (Shah et al, 2017 as cited in Adhikari et al, 2019). In the first incidence in Kavrepalanchok district in 2016, it damaged approximately 57.51 percent of tomato crops (Adhikari et al, 2019).…”

Section: Increase In Diseases and Pests In Cropsmentioning

confidence: 99%

Impacts of Climate Change on Farm Based Livelihood: A Study of Panchkhal

Maharjan

2024

J. APF Command & Staff Coll.

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Agriculture serves as the mainstay of Nepal's economy, sustaining livelihoods for a significant portion of the population and contributing substantially to Gross Domestic Product (GDP). This study conducted in Panchkhal Municipality of Kavrepalanchok district, employed a qualitative approach of research to explore lived experience of farmers regarding the impacts of climate change on their livelihoods. Through the use of both primary and secondary data, the research finds that climate change has caused a number of problems for the farmers in Panchkhal, such as reduced water availability due to drying up of small streams and disappearance of springs affecting the rain-fed farming. Additionally, farmers grapple with rising incidences of pests and diseases in crops, health problems associated with pesticide use, lower productivity, flooding, and a move away from farming. The two biggest effects that stood out among them were the scarcity of water and the increase in diseases and pests in crops. The study also underscores farmers' heightened awareness of climate change impacts and extreme weather events with a particular emphasis on the perceptible decrease in rainfall frequency and volume, along with delayed monsoon onset.

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Section: Increase In Diseases and Pests In Cropsmentioning

confidence: 99%

Impacts of Climate Change on Farm Based Livelihood: A Study of Panchkhal

Maharjan

2024

J. APF Command & Staff Coll.

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“…Because of its vicious nature and potential to cause damage, T. absoluta is a major pest of tomato crops in most Asian countries. Its management is mostly restricted to the routine application of synthetic pesticides (Adhikari et al, 2019; Han et al, 2019; Zibaee et al, 2018). Here, we summarize the various management methods that have been effective at controlling the spread of T. absoluta .…”

Section: Management Strategiesmentioning

confidence: 99%

“…Additionally, using plastic mulch also helps identify the pupae and deter pupation. Mechanical control: Hand picking, sticky traps, and insect exclusion nets are commonly used to control T. absoluta (Adhikari et al, 2019). Sah et al (2017) indicated that seedlings growing inside nylon nets reduced T. absoluta infestation by 84%, and growing tomatoes with net protection helped decrease the pest population by 72.9%.…”

Section: Management Strategiesmentioning

confidence: 99%

“…They also reported that tomato production in net houses was 32% higher than that in open fields. Physical control: Farmers use various traps, including light traps, sex pheromone traps (TLM lure in Wota‐T traps, funnel trap, and delta trap), and locally prepared water traps (with detergent solution) for monitoring and controlling T. absoluta in the field (Adhikari et al, 2019; Aksoy & Kovanci, 2016; Bayram et al, 2017). …”

Section: Management Strategiesmentioning

confidence: 99%

“…Some of the chemicals most commonly used in vegetable production systems around the world are spinosad, emamectin benzoate, chlorantaniliprole, chloropyriphos, and cypermerthrin. Among them, spinosad has shown greatest efficacy against T. absoluta larvae (Adhikari et al, 2019).…”

Section: Management Strategiesmentioning

confidence: 99%

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Biology, distribution, and management of invasive South American tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera; Gelechiidae), in Asia

Acharya,

Barman,

Sharma

et al. 2023

Arch Insect Biochem Physiol

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South American tomato leafminer, Tuta absoluta (Meyrick, 1917) (Lepidoptera: Gelechiidae), is native to South America, but is a major invasive and quarantine pest species in Europe, Africa, and Asia. It causes extensive damage of up to 100% yield loss in tomatoes (Solanum lycopersicum) in open and greenhouse conditions. Since its first invasion in Spain in 2006, it has spread rapidly into many countries in the Mediterranean and Western Europe and further invaded Africa and Asia. In Asia, it was first recorded in August 2009 in Turkey and spread to most South and East Asian countries. In this study, we reviewed existing work on the biology and distribution of T. absoluta in Asia, as well as the damage it causes. This review will help to develop efficient management tactics as well as establish quarantine and phytosanitary precautions in uninvaded countries.

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Farmers' perception and adoption of management practices against tomato damage by tomato leaf miner (Tuta absoluta) in Pokhara, Nepal

Kafle,

Karki,

Pokharel

2024

Arch. Agric. Environ. Sci.

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The tomato leaf miner, Tuta absoluta, poses a significant threat to tomato cultivation globally, with a notable impact on yields. This study investigates the perceptions and practices of farmers in Pokhara, Nepal, regarding T. absoluta management. We aimed to assess the current adoption of management strategies, identify influencing factors, and uncover knowledge gaps among farmers. We surveyed 69 randomly selected households involved in tomato cultivation using a semi-structured questionnaire. The survey collected data on observations of T. absoluta damage, management practices (chemical, physical, pheromone-based), and awareness of integrated pest management (IPM) and ecosystem services. Our findings reveal that 94% of farmers observed T. absoluta damage in their fields, with a predominant reliance on chemical pesticides (86.96%). Awareness and adoption of environmentally friendly practices, such as IPM, were notably lacking. Factors such as the age of the household head, crop rotation, cropping systems, and family type significantly influenced the adoption of various management practices. While 44.93% of farmers used pheromones, 31% recognized them as effective. This study highlights the severe threat T. absoluta poses to tomato cultivation in Pokhara and the insufficiency of current management practices. Bridging knowledge gaps regarding eco-friendly approaches, such as pheromones and biological controls, is crucial. We emphasize the need to tailor extension services by considering sociodemographic factors and promoting awareness of ecosystem services. Ultimately, our study will contribute to more sustainable pest management practices in agricultural settings.

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Monitoring and Management of Tomato Leaf Miner, (Tuta absoluta, Meyrick) in Kavrepalanchowk, Nepal

Abstract: Available with full text.

Cited by 3 publications

References 0 publications

Impacts of Climate Change on Farm Based Livelihood: A Study of Panchkhal

Impacts of Climate Change on Farm Based Livelihood: A Study of Panchkhal

Biology, distribution, and management of invasive South American tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera; Gelechiidae), in Asia

Farmers' perception and adoption of management practices against tomato damage by tomato leaf miner (Tuta absoluta) in Pokhara, Nepal

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