Professional

Expert in Latex Diagnosis (Hevea brasiliensis)

Consultant / PSA (Personal Services Agreement)
FAOSri Lanka22 May 2026
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Organizational Setting

The Smallholder Rubber Revitalization Project (SRRP) aims to enhance the productivity, quality, and sustainability of Sri Lanka’s rubber smallholder sector through the adoption of improved technologies, strengthened research–extension linkages, and quality-focused processing systems. Latex diagnosis (LD) has been identified as a key area essential for optimizing latex yield, improving tree health management, and ensuring sustainable production practices. However, knowledge and practical experience in LD remain limited, particularly among small scale growers. This gap has been recognized as a major bottleneck contributing to reduced productivity and lower income levels among smallholders. Addressing these challenges requires strengthening both institutional and technical capacities in precise diagnosis, interpretation, and quality management. In line with this need, the Rubber Research Institute of Sri Lanka (RRISL), under the SRRP, intends to engage an international expert with proven experience in latex diagnosis and interpretation to conduct a hands-on training program for RRISL officers and thereby supporting the overall objectives of the SRRP.

Reporting Lines

The duty station will be the Rubber Research Institute of Sri Lanka (RRISL) in Agalawatta, Sri Lanka, with visits to project sites and rubber plantations as required. The expert will report to the Director/Acting Director of RRISL and Food and Agriculture Organization (FAO), with technical coordination provided by the Director/Acting Director of RRISL and FAO.

Technical Focus

The incumbent will provide international-level expertise to strengthen the capacity of RRISL’s Research and Technical Officers in latex diagnosis, covering sampling, testing, data interpretation, and application of results for field-level decision-making.

Tasks and responsibilities

The Expert shall conduct theoretical and practical training sessions covering:
•    Principles and objectives of latex diagnosis.
•    Sampling and extraction procedure for latex.
•    Chemical preparation procedures.
•    Laboratory procedures for analysing latex parameters (e.g., sucrose, inorganic phosphorus, thiols, superoxide dismutase (SOD) activity, Mg++ content).
•    Data interpretation and identification of physiological constraints.
•    Use of diagnostic results to recommend appropriate tapping, stimulation, and relevant agronomic strategies.

Minimum Requirements

  • Advanced university degree from an institution recognized by the International Association of Universities (IAU)/UNESCO in related field  or any other discipline relevant to the field . Or Bachelor's degree with two additional years of relevant professional experience.
  • Minimum of five (05) years of professional experience in latex diagnosis in Hevea brasiliensis)
  • Proven experience in conducting training on latex diagnosis.
  • Working knowledge (level C) of English is required and limited knowledge of a second FAO language is an asset.

FAO Core Competencies

  • Results Focus
  • Teamwork
  • Communication
  • Building Effective Relationships
  • Knowledge Sharing and Continuous Improvement

Please note that all candidates should adhere to FAO Values of Commitment to FAO, Respect for All and Integrity and Transparency

HOW TO APPLY

  • To apply, visit the recruitment website at Jobs at FAO [link removed] and complete your online profile. We strongly recommend that your profile is accurate, complete and includes your employment records, academic qualifications, and language skills
  • Candidates are requested to attach a letter of motivation to the online profile
  • Once your profile is completed, please apply, and submit your application

• Please note that FAO only considers higher educational qualifications obtained from an institution accredited/recognized in the World Higher Education Database (WHED), a list updated by the International Association of Universities (IAU) / United Nations Educational, Scientific and Cultural Organization (UNESCO). The list can be accessed at http://www.whed.net/ [link removed]. These qualifications should be in alignment with the International Standard Classification of Education (ISCED) mappings [link removed]


  • Candidates may be requested to provide performance assessments and authorization to conduct verification checks of past and present work, character, education, military and police records to ascertain any and all information which may be pertinent to the employment qualifications
  • Incomplete applications will not be considered
  • Personal information provided on your application may be shared within FAO and with other companies acting on FAO’s behalf to provide employment support services such as pre-screening of applications, assessment tests, background checks and other related services. You will be asked to provide your consent before submitting your application. You may withdraw consent at any time, by withdrawing your application, in such case FAO will no longer be able to consider your application
  • Only applications received through the FAO recruitment portal will be considered
  • Your application will be screened based on the information provided in your online profile
  • We encourage applicants to submit the application well before the deadline date.

If you need help or have queries, please create a one-time registration with FAO’s client support team for further assistance: https://fao.service-now.com/csp [link removed]

FAO

Food and Agriculture Organization

Food and Agriculture Organization (external/non-staff)

Official website All FAO jobs

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