Agriculture plays an important role in Cambodia’s economic development. The total arable land area is approximately 4.5 million hectares (ha) of which 4 million ha are used for seasonal crops, mostly rice (3.0 million ha), approx. 1 million ha of annual crops and 0.5 million ha are under permanent crops (rubber, fruit trees, commercial woodland).
FAW (Fall Armyworm, Spodoptera frugiperda) is a native insect to tropical and subtropical regions of the Western Hemisphere, and regularly migrates to cooler regions in summer. In its larva stage, it can cause significant damage to crops. FAW targets corn, but can feed on more than 350 additional species of plants, including rice, soybeans, sugarcane, vegetable crops, and cotton. The moth can fly up to 100 km per night and a female can lay up to a total of 1,000 eggs in a lifetime (10 days). In Africa, FAW was first detected in Nigeria in January 2016, and has quickly spread to 44 countries in sub-Saharan Africa. It has been reported in South-East Asia since 2018 and is already an important pest of corn all around Cambodia.
The management methods of farmers are not well known in Cambodia, as well as the damage on yield components.
The overall objectives of the project are to
- Collect data on farmer practices against FAW and how they perceive this new pest in the province of Battambang;
- Evaluate impact of FAW on corn production and population dynamics of moths.
Job proposal
The worker will be part of the DDFAW project (Diagnostic of Damage of Fall Army Worm in Cambodian Farm).
She/he will have many field activities in the countryside (Battambang province).
In accordance to the discussions with the team and her/his supervisor, the worker will be in charge of:
- Interview the farmers about theirs practices to manage FAW damage, how they perceive this new pest and what they know about it.
- Participate and animate a workshop with the farmer to talk about FAW.
- Installation of pheromone traps to catch Spodoptera frugiperda in farmer fields.
- Follow-up of the insects trapped: take pictures of all the insects and count them. Draw a dynamic of the presence of the insects all along the corn cycle, according to the location of the trap and the species trapped,
- Follow-up twice per corn cycle of the impacts of the insects in the different treatments with corn and one time at harvest, input the data in excel and analyze the impact of the treatment on the pest prevalence and on the damages
- Take samples of insects
- Built and manage excel files gathering all the data collected on the experiment and organize them according to the supervisor's recommendations
- Produce a report on the farmer practices and on the damages caused by FAW and impacts on yield.
Financial support: 400 USD/month from august 2024 to November 2024 Good level in English appreciated
Contact:
Dr KimKhuy, Dept. deputy head in RUA, Facilitator for Crop Protection Department
Mr Veng Sar, Department of Agricultural Land Resources Management (DALRM), General Directorate of Agriculture. sarveng@hotmail.com
Dr Lucile Delatouche. CIRAD. lucile.delatouche@cirad.fr
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