Monday, August 29, 2016

Crop Production : GROUNDNUT

Botanical name: Arachid hypogea
Groundnut is planted mainly in the Northern parts like Kaduna, Kano, Zaria. It can also be produced in south-west. It is referred to as “Epa” in Yoruba land.
VARIETIES
They are two major varieties of groundnut
1.   Erect/ Bunching types:  This develops erect stem
2.   Creeping/crawling type: This develops crawling stem    
 They crawl on the soil.
CLIMATIC REQUIREMENTS
Temperature: 250c - 300c
Rainfall: 70cm – 100 cm per annum
Soil requirements: Groundnut requires fertile sand loam soil with plenty organic matter. If performs well in the soil PH 5:7
Land preparation: Clearing of the land, plough, harrow, ridge, plant on flat surface
Propagation: Propagation is by seed, i.e. sexual propagation
Seed rate: 2-3 seeds per hole or About 40kg – 90kg per hectare
Planting depth – 4cm
Planting date: In the south it is planted March – April
In the North between May – July
Planting distance: About 40cm to 60cm x 20cm Cultural practices    

1.   Thinning: This is the removal of excess seedlings
2.   Supplying: Replacing the ungerminated seeds
3.   Fertilizer Application: Groundnut requires phosphorus fertilizer because of the pod production but N.P.K can be applied 10:20:10
4.   Weeding: is done manually, mechanically or chemically. It should be carried out twice before harvesting
5.   Pest and diseases: Should be controlled by spraying chemicals like fungicide, pesticide        
6.   Maturity period: Groundnut matures 5 months after plating.
7.   Method of harvesting: groundnut pod are harvested from the soil by the use of cutlass, shovel, spade, hand towel, garden fork.
Farm level processing: Separation of pods from sand to ensure clean pods.
Drying: The pods should be dried
Shelling: can be manually, technically
Storage: Groundnut pods can be stored in bags
DISEASES OF GROUNDNUT  
1.   Groundnut rosette – viral
2.   Leaves spot/Tika – fungus
3.   Mould
PESTS
1.   Rat
2.   Birds
3.   Lizards
4.   Termites
5.   Grasshopper
6.   Squirel

COWPEA
Botanical name: Vigna unguiculata
1.   Sokoto white
2.   Kano white
3.   Ife Bimpe
4.   Ife brown and other improved varieties
CLIMATIC AND SOIL REQUIREMENT
Well drained sandy loamy soil
Temperature: 260c – 300c
Rainfall: 750mm – 1500mm volume of rainfall
Propagation: by seed
Land preparation: clear, plough, harrow and plant
Planting date: 1st week in September in the south, late in July in North
Spacing: it depends on the variety planted
For bunch: 90cm by 30cm
For runner type: 30cm by 1m
Seed rate: 2 seeds per hole
Planting depth: 3cm – 4cm deep
Maturity period: 2-3 months
Fertilizer application: farmyard and compost manure or any non-nitrogenous fertilizer will help, but when purpose of plant is for forage N.P.K 15:15:15 can be used
Weeding: Should be done at least twice
Harvesting: Cowpea could be harvested green or when dry by hand or by the use of combine harvester
Storage: it is stored in Jute sack and pot or any other air tight container
Note: cowpea has to be sprayed every three weeks to drive away pests and insects
USE OF COWPEA
1.   As food
2.   For cover crop
3.   For green manure
4.   For forage in livestock
PESTS OF COWPEA
1.   Pod borer:  Adult pod bores piece or bore hole into fruit and stem of cowpea and inject toxic saliva.
Control: Spray with chemical like insecticides
2.   Beans bettle: This is a field to store pests which boreholes into seeds, feed on them thereby reducing the quality and quantity and the market value.
Control
1.   Early harvesting of pods
2.   Fumigation of the store with fumigant such as phostoxin tablet
3.   Leaf hoppers; They eat up leaves thereby causing low yield of crop
Control:  Spray plants with insecticides
DISEASES OF COWPEA
A)   Cowpea Mosaic: It is a viral disease transmitted by aphid. It causes stunted growth, reduces pod size and causes premature fruiting.
i.             Control:  Plant resistance variety 
ii.           Remove and burn infected plant
B)   Bacterial Blight: It is caused by bacteria, spread by water, infected leaves produce water scale spot which later enlarge and turns brown.
i.           Control: plant resistance variety
ii.         Use clean seeds when planting
C)   Nematodes disease:  It is caused by nematode and transmitted by rough
It causes twisting and curlling of leaves, galls and rotten roots
Control: use resistance variety
i.             Treat soil with nematicide
ii.           Good cultural practice 

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