Plantain and Cooking Banana Production

The rest of this knowledge base is written around dessert banana (chiefly Cavendish). Starchy types — plantains, cooking bananas and the East African highland types — share the same anatomy and the same diseases, but they differ in genetics, spacing, nutrition, sucker behaviour, harvest judgement and market. This page covers the differences; assume everything else on the site still applies.

The groups at a glance#

Group	Genome	Example clones	Primary use
French plantain	AAB	French, Maia Maia, Agbagba, Wompa	Boiled, fried, roasted
Horn plantain	AAB	Largo, Horn, Moque	Boiled, pounded, flour
Cooking banana	ABB	Saba, Cardaba, Bluggoe	Chips, flour, boiling
Semi-plantain / dual	AAB	Mysore (Pisang Raja), Pelé	Raw when ripe, or cooked
East African Highland	AAA	East African Highland cooking types (matoke)	Steamed, mashed
Plantain hybrids	AAAB	FHIA-derived, Pita, GCTCV selections	Cooking, with disease resistance

Clone comparison#

Clone	Spacing (m)	Plants/ha	Bunch (kg)	Cycle (mo)	Yield (t/ha)	Character
French plantain	2.5 × 3.0	1,333	15–30	10–14	15–35	Widely preferred; strong N response; Sigatoka-susceptible
Horn plantain	3.0 × 3.0	1,111	25–45	11–15	20–40	Largest bunches; heavy feeder; tolerates heavier soils
Saba / Cardaba	2.5 × 3.0	1,333	25–45	10–14	25–45	Very robust; drought- and poor-soil tolerant; processing star
Bluggoe	2.5 × 3.0	1,333	25–45	11–14	20–40	Handles wet, heavy soils and cool nights
Mysore	2.0 × 3.0	1,667	10–20	9–12	15–30	Dual purpose; hardy; smaller plant
East African Highland	3.0 × 3.0	1,111	10–25	9–14	12–30	Highland; many hands; suckers prolifically
Plantain hybrid	2.5 × 3.0	1,333	20–40	10–13	25–45	Disease-tolerant selections; check local release

What differs agronomically#

Factor	Dessert (Cavendish)	Plantain / cooking	Why it matters
Starch: sugar	Low starch, sweetens after ripening	High starch, stays starchy	Defines the market and the processing route
Spacing	2.0 × 3.0 m typical	2.5 × 3.0 m typical	Bigger canopy, more suckers
Nitrogen response	Moderate	Strong — plantain is notably N-responsive	Undersupply costs more yield than with Cavendish
Sucker production	Moderate	Prolific	Desucker more often or the block thins itself badly
Bunch weight	18–30 kg	15–45 kg depending on type	Prop sizing and harvest handling change
Harvest judgement	Fullness + angularity + days after flowering	Fullness and finger length, often at a greener stage	Cooking types are cut green at full size
Ripening	Always ripened off the plant	Many are eaten green; some ripen on the plant for local trade	Post-harvest chain is simpler for green sales
Sigatoka pressure	Severe	Severe, especially French plantain	Leaf protection is the same priority
Bunchy top	Susceptible	Susceptible; some highland types show tolerance	Certified material either way
Marketable grade	Length, uniformity, cosmetic defects	Weight, count and freedom from rot	Different packhouse spec

Nutrition#

Starchy types are heavy feeders, and plantain in particular responds strongly to nitrogen — one of the clearest differences from Cavendish.

Nutrient	Working range per stem per year	Note
Nitrogen (N)	180–300 g	Plantain responds more sharply to N than Cavendish; still split 4–6 times
Phosphorus (P₂O₅)	50–100 g	Slightly higher on leached tropical soils
Potassium (K₂O)	400–700 g	Still the highest-demand nutrient by mass
Calcium (CaO)	150–250 g	Fruit firmness; important for long transport
Magnesium (MgO)	60–100 g	Watch on acid sands under high N
Boron (B)	3–8 g	Narrow safe range; bunch set depends on it

As always these are starting points for a soil test, not a prescription. Convert them to product quantities with the fertiliser calculator.

Practical consequence: if you are used to growing Cavendish and you switch to French plantain on the same block, do not carry the N rate across unchanged — go up, and verify with a tissue test at flowering.

Sucker management#

Plantains and cooking bananas produce more suckers per mat than Cavendish, and a higher proportion of them emerge as broad-leaved water suckers rather than sword suckers.

Apply the same 1 + 1 rule: one fruiting stem, one designated follower.
Increase the frequency: every 3–4 weeks rather than 4–6, from month 2–3.
Select sword suckers for replanting; reject water suckers even when they look bigger.
Remove suckers small (15–25 cm). A plantain sucker left to 60 cm has already taken potassium out of the bunch.
After each harvest, cut the spent stem low and desucker immediately.

Water and establishment#

Same demand curve as dessert banana: 1,400–2,000 mm per cycle, peak 6–9 mm/day.
Critical windows are identical — 6 weeks before flowering to 4 weeks after, and bunch filling.
Wider spacing means fewer plants per hectare but larger individual demand; size the system on area × ETc, not on plant count: Irrigation sizing calculator.
Bluggoe and other ABB types tolerate heavier, wetter soils better than Cavendish but still dislike standing water.

Harvest judgement#

Cooking types are normally cut green but at full size — the finger is judged by length and fullness rather than by the softening test used for dessert fruit.

Check	What to look for
Finger length	Has stopped increasing; fingers are straight, not still elongating
Fullness	Ribs rounded across the finger, but the surface is still hard and deep green
Hands	Lower hands full; no tapering, malformed fingers at the top of the bunch
Latex	Moderate flow on cutting
Days after flowering	Typically 80–110 depending on type and temperature
Seed/ovules	Underdeveloped in the finger if cut too early

For types sold ripe (some Mysore and local markets), leave colour development to the buyer or ripen deliberately — see Ripening.

Bunches are heavier. Horn and Saba bunches to 45 kg: prop within 1–2 weeks of bunch emergence with an A-frame or double stake, and use two-person harvest teams. Harvest and handling steps are otherwise identical to Harvesting.

Market and processing routes#

Route	What it rewards	Notes
Fresh local / regional	Weight, freedom from rot, consistent size	The dominant market in much of Africa, the Caribbean and Asia
Fried and boiled street food	Uniform fingers, firm texture	High volume, cash market
Flour	Starch content, colour	Green fruit; see Processing
Chips	Crispness, oil quality	Green or ripe
Puree and baby food	Flavour, ripeness, consistency	Ripe fruit and culls
Starch / industrial	Starch yield	Saba and Bluggoe favoured
Animal feed and biogas	Volume of culls and peels	Cost recovery rather than profit

Plantain and cooking banana rarely travel in a refrigerated export chain. That is an advantage for smallholders — the market is usually within a day's travel — and it means grading is about weight and soundness rather than cosmetic perfection.

Common mistakes#

Mistake	Consequence
Reusing Cavendish spacing	Canopy closure too early, poor airflow, heavy Sigatoka
Reusing the Cavendish N rate	Under-fed crop; plantain is more N-responsive than Cavendish
Desuckering on a Cavendish schedule	Thicket within two seasons
Planting water suckers	Weak, uneven stand
Judging harvest by dessert-banana rules	Cut too late (fibrous, over-mature) or too early (small, poor cooking quality)
Prop sizing for a 25 kg bunch on a 45 kg clone	Fallen bunches
Assuming highland matoke behaves like plantain	Different climate band, different sucker behaviour
Ignoring certified material	Bunchy top and Fusarium enter the same way as in any banana block

Next steps#

Site and climate: Climate and site selection
Varieties in full, including dessert types: Banana varieties
Field routine: Crop care
Turning surplus into flour or chips: Processing
Numbers: Soil test interpreter · Density calculator