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Disease Diagnosis Nuru for in-field Pest

Crop Care in Your Pocket: Nuru App, Your Farming Companion

PlantVillage Nuru is a revolutionary smartphone app powered by artificial intelligence, enabling rapid offline diagnosis of crop damage caused by diseases and pests. This innovation employs machine learning and object recognition, making it accessible on basic smartphones. It offers a vast advantage to farmers, as it provides instant diagnoses and connects users to a community of fellow users. Moreover, it offers valuable guidance on disease and pest control. The app's ability to recognize symptoms and its user-friendly interface empower farmers to swiftly identify and address crop health issues, ultimately contributing to increased agricultural productivity and food security.

This technology is TAAT1 validated.


Scaling readiness: idea maturity 8/9; level of use 8/9


Open source / open access


  • Farmers face difficulties in quickly identifying major crop damages caused by diseases and pests.
  • There is a lack of effective means to detect diseases and pests affecting cassava, such as cassava mosaic disease, cassava brown streak disease, and cassava green mite.
  • Damage caused to maize by fall armyworm is challenging to detect early.
  • Farmers struggle to access information on diseases and pests affecting their crops.
  • Access to accurate diagnostic tools is limited, especially in resource-constrained regions.
  • There is an urgent need for affordable and accessible solutions to help farmers identify and manage crop diseases and pests.
  • Communication among farmers regarding disease and pest issues is often limited, leading to a lack of information sharing and collaboration.
  • Farmers require quick and easy access to disease and pest control advice tailored to their specific situation.


  • Instant and offline access to accurate diagnoses of major crop damage symptoms caused by diseases and pests.
  • Detection of diseases and pests, such as cassava mosaic disease, cassava brown streak disease, cassava green mite, and damage to maize by fall armyworm.
  • Connecting users to other nearby users and providing information on how to control identified diseases and pests.
  • Utilization of machine learning with object recognition to train software to 'recognize' the characteristics of symptoms caused by diseases and pests.
  • An Android application available for free on Google PlayStore, usable even on basic specification smartphones.
  • Translations into multiple languages for increased accessibility, including Swahili.
  • Post-event analysis of diagnostic reports received from users, enabling the generation of real-time maps.
  • On-field diagnosis of crop pests and disease types and delivery of relevant control advice to users via their smartphones.

Key points to design your business plan

Utilizing PlantVillage Nuru allows farmers to quickly identify crop damage offline, empowering them to implement proactive strategies for managing pests and diseases, ultimately improving agricultural productivity and food security.

As for the cost structure, there are no expenses aside from potential facilitation through the provision of phones and training sessions.

This initiative is offered as a public service without any intention of generating profit. The app is available for free download and use, without any licensing fees.

Calculate the potential profit gained from adopting this approach.


Positive or neutral impact

Adults 18 and over
Positive high
The poor
Positive medium
Under 18
Positive medium
Positive low

Positive or neutral impact

Climate adaptability
It adapts really well
Adaptability for farmers
It helps a lot
It helps them grow and thrive
Carbon footprint
It reduces emissions a little
It makes a big difference
Soil quality
It makes the soil healthier and more fertile
Water usage
It uses a little less water

Countries with a green colour
Tested & adopted
Countries with a bright green colour
Countries with a yellow colour
Egypt Equatorial Guinea Ethiopia Algeria Angola Benin Botswana Burundi Burkina Faso Democratic Republic of the Congo Djibouti Côte d’Ivoire Eritrea Gabon Gambia Ghana Guinea Guinea-Bissau Cameroon Kenya Libya Liberia Madagascar Mali Malawi Morocco Mauritania Mozambique Namibia Niger Nigeria Republic of the Congo Rwanda Zambia Senegal Sierra Leone Zimbabwe Somalia South Sudan Sudan South Africa Eswatini Tanzania Togo Tunisia Chad Uganda Western Sahara Central African Republic Lesotho
Countries where the technology has been tested and adopted
Country Tested Adopted
Kenya Tested Adopted
Tanzania Tested Adopted

This technology can be used in the colored agro-ecological zones. Any zones shown in white are not suitable for this technology.

Agro-ecological zones where this technology can be used
AEZ Subtropic - warm Subtropic - cool Tropic - warm Tropic - cool

Source: HarvestChoice/IFPRI 2009

The United Nations Sustainable Development Goals that are applicable to this technology.

Sustainable Development Goal 2: zero hunger
Goal 2: zero hunger
Sustainable Development Goal 1: no poverty
Goal 1: no poverty
Sustainable Development Goal 3: good health and well-being
Goal 3: good health and well-being
Sustainable Development Goal 9: industry, innovation and infrastructure
Goal 9: industry, innovation and infrastructure
Sustainable Development Goal 12: responsible production and consumption
Goal 12: responsible production and consumption

  • This solution is applied by downloading the PlantVillage Nuru app for free from Google's PlayStore.
  • Usage can be enhanced by awareness raising and training of farmers and extension officers.

Last updated on 22 May 2024