Cocoa Research Institute of Nigeria (CRIN)

CRIN Mandate Crops

Cocoa
Kola
Cashew
coffee
Tea

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Tips on Cocoa

A cup of cocoa a day may keep the doctor away

Cocoa intake reduces frequency of malaria
Cocoa fights fatique
Cocoa is the number one antioxidant food on the planet
Cocoa keeps heart attack at bay
Coco compound arrests breast cancer
Cocoa can help prevent diabetes
Theobromine: a cocoa derivative arrests persistent coughs
Cocoa is the highest natural source of magnesium
Cocoa boosts libido

Tips on Kola

CRIN has developed:

Hybrids that produce in 5 years with an an annual average yield
of about 2,000 nuts/tree/year of marketable sizes (12-15g)
Vegetative propagated materials that starts fruiting in about
three years;
A natural insecticide, spindor dust (a.i. spinosard (0.125%))
for protection of kolanuts in storage against kola weevil,
Bolanogastis kolae
Kola pod husks with organic materials such as poultry droppings
as organic fertilizers.

Tips on coffee

CRIN has developed:

64 varieties of coffea Arabica in Germplasm for genetic improvement
A socioeconomically acceptable method of rehabilitating
old coffee plantations with overgrown trees through
coppicing at 30cm above ground level to rejuvinate old plants
Management techniques of plant geometry by de-capping to a
height of 1.5m to facilitate harvesting
The use of half node stem cutting for propagating robusta coffee
Open rooted method of propagating and transporting stem cuttings of
robusta coffee
A method of termite control on coffee by spraying the waste water from
cassava processed for '' fufu'' production
Organic manure made from chromolaena odoratum (siam weed), cow dung,
grasses and maize stovers as effective inorganic fertilizers

Tips on Tea

CRIN has these:

Germplasm of 24 highland clonal tea genotypes introduced from Kenya
Germplasm of high yielding lowland tea varieties from China
A new rapid method for determining the field pluck (harvest) quality for tea
DNA molecular characterization of 20 clones, which could assist in parental
selection for subsequent hybridization
Recommendation on appropriate fertilizer application on test

Tips on cashew

CRIN has developed:

Seeds and seedlings of 25 superior genotypes, high
yielding (10=13kg/tree/year) with superior flavour
Appropriate site/soil selection packages for cashew
cultivation and effective fertilizer regime to correct mineral
deficiencies
Effective seed propagation methods, establishment, spacing,
pruning and inter-cropping
Clonal and vegetatively propagated cashew as planting
materials through marcotting
Suitable fungicide and insecticide mixtures to control
incidene of ravaging inflorescence blight diseases

CRIN Products

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Welcome to Cocoa Research Institute of Nigeria Website

You are welcome to Cocoa Research Institute of Nigeria (CRIN) website. CRIN is a National Institute with research mandate on Cocoa, Kola, Coffee, Cashew and Tea. the Institute has six (6) substations located in the six geopolitical zones of Nigeria where these crops are cultivated in abundance. Over the years, the Institute has recorded major breakthroughs in research work that enhanced the production and utilization of products and by-products of the mandate crops. Some of the research breakthroughs are available on this website. The list of researchers who are available for collaboration and their publications are listed in the website.

Please enjoy your self as you browse this website for information that you will find useful for your research.

Inquiries on any of the Institute mandate crops should be directed to the Executive Director on +2348170510918, +2348039784154 or This email address is being protected from spambots. You need JavaScript enabled to view it. and This email address is being protected from spambots. You need JavaScript enabled to view it.