The conversation around pesticides in Kenya is loud, urgent, and often deeply unsettling. Headlines warn of poison on plates and chemicals in soils, leaving an impression that agriculture itself has strayed into dangerous territory. But beneath the alarm lies a more complicated truth — one that demands a harder, more honest question: in a tropical country like Kenya, can we realistically do without pesticides?
Kenya’s Climate: A Blessing and a Burden
Kenya’s agricultural success is rooted in a climate that is both a gift and a challenge. The same warmth and humidity that allow crops to flourish year-round also create ideal conditions for pests and diseases. From invasive threats like False Codling Moth and Persea mites to destructive pathogens such as the avocado sunblotch virus, farmers are in a constant battle to protect their crops.
Many of these threats are not native — they arrive through global trade, and once established, they spread quickly. In this ecological reality, pesticides are not simply optional inputs. They are, for now, part of the production equation that sustains yields, export standards, and farmer livelihoods.
Regulation Matters — But the Real Risk Is Outside the System
This does not mean pesticide use is beyond scrutiny. On the contrary, Kenya has built one of the more robust regulatory frameworks in the region through the Pest Control Products Board, which evaluates, registers, and withdraws products in line with international standards. As its Managing Director Fred Muchiri has acknowledged, the greater threat often lies outside this system — where unregistered and sometimes hazardous products find their way across borders, undermining safeguards and putting both farmers and consumers at risk.
Yet even within the formal system, the real challenge is not just what is used, but how it is used. Misapplication remains a persistent problem, particularly in smallholder settings where observance of pre-harvest intervals and use of protective equipment is inconsistent.
Industry Innovation: Training and Technology
This is where industry efforts, led by organisations such as the Agrochemicals Association of Kenya, are increasingly important. Training farmers on safe use and promoting innovations like Spray Service Providers — trained professionals who handle pesticide application — represent a meaningful shift toward greater accountability and safety in the field.
At the same time, the industry itself is evolving. Multinational companies are continuously developing new, more targeted molecules designed to reduce environmental impact and delay resistance, while phasing out older, more hazardous products.
Alongside this, a growing number of biological solutions — derived from naturally occurring microorganisms — are emerging in Kenya, offering safer alternatives that align with global demand for sustainable agriculture. These are not replacements yet, but they are part of a broader transition toward integrated pest management.
The Real Question
So can Kenya do without pesticides? Not entirely — not today, and not without risking significant disruption to food production and economic stability. But that is not the measure of progress. The real question is whether Kenya can use pesticides more wisely, more safely, and more transparently. That requires not just strong regulation and industry responsibility, but also balanced, science-driven public discourse.
Because in the end, the issue is not simply about chemicals. It is about choices — how we manage risk, protect livelihoods, and feed a nation in a challenging environment. As the debate continues, one principle should guide it:
The future of agriculture in the tropics will not be built on fear or denial, but on knowledge, discipline, and the courage to confront complexity with science.
Catherine Riungu is the Managing Editor of HortiNews. Contact: catherine@hortinews.co.ke | @catherineriungu