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Guinea Grass imported image

Crop details

Guinea Grass

Megathyrsus maximus
Family: Poaceae

Quick stats

Family Poaceae
Typical harvest 24.0 t/ha
Varieties 1
Pests & diseases 2
Seasons 1

Crop profile

Growth habit perennial
Days to harvest 85
Main uses Cut fodder and grazing pasture for dairy and beef systems.
Pollination wind
Origin / where it grows Widespread in warm East African lowland and mid-altitude livestock areas.

Weather, soil & spacing

Best temperature 20–34 °C
Rainfall 450–750 mm/yr
Altitude 800–3000 m
Best pH 6–7
Soil type Well-drained loam to clay loam with moderate fertility.
Row spacing 20 cm
Plant spacing 5 cm
Planting depth 4 cm
Seed rate 80 kg/ha
Nursery days

Simple notes for farmers

About the crop: This crop is perennial, which means once you plant it, the same plant can keep producing for many years. You can normally start harvesting about 85 days after planting, depending on care and variety.

Main use: Farmers mostly grow this crop for cut fodder and grazing pasture for dairy and beef systems..

Pollination: This crop is mainly pollinated by wind. Keeping flowers healthy and having insects like bees in the field helps improve fruit set and yields.

Where it grows: Widespread in warm East African lowland and mid-altitude livestock areas. It is grouped under: Forages & Fodder.

Best climate: This crop does well in warm areas where the temperature is usually between 20 and 34 degrees Celsius. It prefers places that receive around 450 to 750 millimetres of rain in a year. It can grow from near sea level up to about 3000 metres above sea level.

Soil: The crop grows best in slightly acidic to near neutral soils, with a pH of about 6 to 7. It does well in well-drained loam to clay loam with moderate fertility.. Good drainage is important, so avoid waterlogged spots.

Plant spacing: Plant in rows about 20 centimetres apart, and leave about 5 centimetres between plants in the row. This gives each plant enough space for roots and canopy to spread.

Planting depth: Dig planting holes or furrows about 4 centimetres deep so the roots sit firmly in the soil but are not buried too deep.

Seed or planting material: Use around 80 kilograms of seed or planting material per hectare. Spread or plant evenly so the field has a good stand without being overcrowded.

Farmer guide (mwongozo wa mkulima)

Planting: Direct-seed Guinea Grass into a fine firm seedbed at onset of reliable rains.
Transplanting: Not transplanted.
Irrigation: Maintain moisture during establishment and grain filling where irrigation is used.
Fertigation: Split nitrogen between planting and early vegetative growth where moisture allows.
Pest scouting: Scout Guinea Grass for aphids, armyworms, foliar diseases, and lodging risk.
Pruning: No pruning needed; keep weeds low during early establishment.
Harvest: Harvest Guinea Grass when grains harden and heads dry down evenly.
Postharvest: Dry grain well before threshing and storage.

Nutrient schedule (mbolea kwa hatua)

# Stage DAP Product Rate Targets (kg/ha) Notes
1 Basal 0 DAP 100 kg/ha N: 18, P₂O₅: 46, K₂O: — Starter fertilizer for Guinea Grass establishment.
2 Topdress 28 CAN 100 kg/ha N: 26, P₂O₅: —, K₂O: — Topdress Guinea Grass before rain or irrigation.

Nutrient requirements

Nutrient Stage Amount Unit
N Basal 25 kg/ha
P₂O₅ Basal 25 kg/ha
K₂O Basal 20 kg/ha
N Topdress 30 kg/ha

Field images (picha shambani)

Guinea Grass imported image
Guinea Grass imported image
Primary
Guinea Grass imported image
Guinea Grass imported image
Guinea Grass imported image
Guinea Grass imported image
Name Country Maturity Traits
Mombasa KE 85 High biomass tropical pasture grass.
Stage Product Rate (kg/ha) Notes
Planting DAP 100 Basal phosphorus for Guinea Grass establishment.
Topdress CAN 100 Nitrogen support for Guinea Grass vegetative growth.
Name Type Symptoms Management
Aphids pest Sap sucking on leaves and grain heads. Scout early, preserve beneficial insects, and control when thresholds are exceeded.
Leaf rust disease Rust pustules on leaves reducing grain fill. Use tolerant varieties, rotation, and timely disease control.
System Typical Min Max Notes
Rainfed smallholder production 24 14.4 40.8 Typical grain yield under practical Guinea Grass management.
Country Region Planting Harvest
KE Highland Grain Zones Mar-Apr Jul-Aug
Country Region Suitability
KE Highland Grain Zones Medium