Robusta
A tall, heavy-bunching Cavendish popular in the south for the fresh market.
Quick facts
- Crop
- Banana
- Type
- Planting material
- Season
- All seasons
- Maturity period
- 12–13 months
- Expected yield
- High
- Suitable soil
- Loam
- Disease resistance
- Susceptible to Sigatoka
- Release
- A semi-tall AAA-genome sport of Dwarf Cavendish, long established as Tamil Nadu's leading table-banana variety — not an ICAR-bred release; propagated from suckers or tissue culture, not true seed
Actual yield depends on sowing time, soil, irrigation, weather, seed quality and crop management.
About this variety
Robusta is an AAA-genome dessert banana. A TNAU banana variety profile describes it as a semi-tall sport of Dwarf Cavendish. It is grown mainly in Tamil Nadu, where it is a leading table variety, with further cultivation in Karnataka and Andhra Pradesh, and Maharashtra. TNAU records a purple-tinged dark stem, a large bunch of about 25–30 kg with roughly 100 fruits, and sweet, juicy fruit with good aroma. Other variety descriptions give the same 25–30 kg bunch-weight range and note better keeping quality than Dwarf Cavendish. Even so it is 'poor' in absolute terms: the fruit breaks down quickly after ripening and isn't suited to long-distance transport. It needs propping to support the weight of a mature bunch, and is susceptible to Sigatoka leaf spot in humid tropical conditions. A peer-reviewed geographical study of Fusarium wilt (Foc) across India additionally documents Robusta (AAA) infected by the newer TR4 strain in Katihar district, Bihar, in 2015, with incidence reported in a 2–50% range at that site, a further wilt risk beyond Sigatoka.
Should you pick this variety?
Pick Robusta if you sell fresh in Tamil Nadu, Karnataka, Andhra Pradesh or Maharashtra and want weight per plant: a 25–30 kg bunch of about 100 sweet, aromatic fruits in 12–13 months, from a semi-tall sport of Dwarf Cavendish. Plan for two things. It needs propping, because a mature bunch will pull the plant over, and its keeping quality — better than Dwarf Cavendish but still poor — makes it a local-market fruit, not a long-haul one. It is susceptible to Sigatoka leaf spot in humid weather, and TR4 wilt was confirmed on Robusta in Katihar, Bihar in 2015. For distance markets choose Grand Naine; on wilt-sick land, Nendran or Red Banana.
Sowing & cultivation
- Sowing timeApril–May on wet land; January–February or November–December on garden land (TNAU)
- Spacing1.8 x 1.8 m, about 3,080 plants per hectare. It is a taller Cavendish than Dwarf Cavendish, so it needs the extra half metre each way (TNAU)
- Sowing methodUse sword suckers weighing 1.5–2.0 kg, graded to one size so the plantation flowers together. Trim the corm, leave 20 cm of pseudostem, and treat against nematodes before planting
- IrrigationIrrigate at planting, again on the fourth day, then weekly on garden land or every 10–15 days on wet land. Water heavily after every manure application
Advantages & considerations
Why farmers may choose it
- High-yielding with a large, well-filled bunch (25–30 kg per two independent sources), and better keeping quality than Dwarf Cavendish
- Sweet, aromatic dessert fruit with strong local market demand across Tamil Nadu
- Well-established variety with decades of local growing experience and infrastructure in South India
Things to consider
- Susceptibility to Sigatoka leaf spot is confirmed by two independent sources, and it is a real weakness in humid, hot-wet tracts.
- A peer-reviewed geographical study of Fusarium wilt across India found Robusta (AAA) infected by the newer TR4 Foc strain in Katihar district, Bihar (2015), with a reported 2–50% incidence range at that site. This is a second disease risk alongside Sigatoka.
- Requires propping to support bunch weight, and post-harvest keeping quality, while better than Dwarf Cavendish's, is still called poor on its own terms — worth knowing if you send fruit to a distant market.
- Robusta is grown mainly in Tamil Nadu, and also in Karnataka and Andhra Pradesh. Other listings add Maharashtra.
Suitable regions
States this variety is recommended for — check locally, since a state can have more than one recommended zone.
- Tamil Nadu
- Karnataka
- Andhra Pradesh
- Maharashtra
Propping: a heavy bunch and a wind you cannot stop
Robusta needs propping to carry its bunch weight. A plant that goes over with a filled bunch is a total loss for that plant — the fruit does not ripen properly, the pseudostem is finished, and you lose the whole cycle of inputs that went into it.
Prop before the bunch gets heavy, not after the first plant falls. Two bamboo poles tied as a V against the pseudostem on the side the bunch leans, or a single pole with a tie, is the usual method; check the ties after every heavy wind or rain. Keep the plantation at the recommended spacing with suckers thinned, so plants are not tall and drawn, and keep nitrogen within the recommendation, because a soft, overfed plant bends more easily. Since its keeping quality after harvest is called poor on its own terms, handle the bunch gently and move it quickly if the market is far.
Can you keep your own planting material?
This crop is raised from suckers taken off the mother plant, so you can multiply it yourself. Pick sturdy suckers of even size from healthy, well-yielding clumps, and never from one that looked diseased or stunted — the new plant inherits whatever the mother had. For a clean start, take planting material from a registered nursery or a government farm.
How it compares with other varieties
Every Banana variety with a page on this site, side by side. The row for this page is highlighted.
| Variety | Best for | Maturity | Yield | States |
|---|---|---|---|---|
| Dwarf Cavendish (Basrai) | Windy fields and a nearby market, on the most familiar banana of all | 12–14 months | High | Maharashtra, Gujarat, Bihar, West Bengal, Tamil Nadu, Karnataka, Andhra Pradesh |
| Grand Naine (G9) | Uniform export and retail-grade bunches, away from TR4 districts | 11–12 months, planting to harvest | 483–503 q/ha in Bihar KVK demonstrations (420–431 on local practice) | Maharashtra, Tamil Nadu, Gujarat, Andhra Pradesh |
| Nendran | Kerala's chips and cooking trade, and wilt-sick soil | 9–12 months, planting to harvest, by ecotype | No institute per-hectare figure found; bunches 12–15 kg | Kerala, Tamil Nadu |
| Poovan | A sour-sweet dessert banana for the Tamil Nadu fresh market, on clean land | 11–14 months (TNAU) | 400–500 q/ha a year (TNAU) | Tamil Nadu, Kerala |
| Rasthali | A premium Silk-type dessert banana, for a farmer who can watch the crop closely | 12–15 months | Medium | Tamil Nadu, Kerala, Karnataka, Andhra Pradesh, Bihar |
| Red Banana | The highest-priced banana, for a grower who can wait 16–18 months | 16–18 months | Medium | Tamil Nadu |
| Robustathis page | Heavy Cavendish bunches for the south Indian fresh market | 12–13 months | High | Tamil Nadu, Karnataka, Andhra Pradesh, Maharashtra |
Tools for this crop
The numbers you need next: how much seed to buy, whether the lot germinates, what the fertilizer bill looks like and what Banana is selling for.
- Seed Rate CalculatorHow much seed your Banana plot needs, corrected for the germination of the lot you bought.
- Seed Variety FinderFilter every Banana variety on this site by state, season, duration and soil.
- Fertilizer CalculatorTurn the NPK recommendation for Banana into bags of urea, DAP and MOP for your field size.
- Crop Profit CalculatorPut your seed, labour and input costs against the yield you expect from this variety.
- Mandi Price CheckerToday's Banana rate in your nearest mandi, before you fix a price with a trader.
Subsidy and government support
Schemes that help with the cost of Banana seed or planting material. Rules and the application route are on each scheme page.
Frequently asked questions
Is Robusta the same plant as Dwarf Cavendish?
No, but closely related — Robusta is a semi-tall sport (a naturally occurring mutant) of Dwarf Cavendish, taller than its parent and with somewhat better fruit-keeping quality, though both are AAA-genome Cavendish types.
Does Robusta banana need staking or support?
Yes — both sources checked note it requires propping to hold up the weight of a mature bunch, which commonly reaches 25–30 kg.
Is Robusta susceptible to Sigatoka leaf spot?
Yes. Two independent sources describe it as susceptible to Sigatoka leaf spot disease, particularly in humid tropical conditions.
Is Robusta at risk from Fusarium wilt (Panama disease), not just Sigatoka?
Yes — a peer-reviewed geographical study of Fusarium wilt in India documented Robusta infected by the newer TR4 strain in Katihar district, Bihar, in 2015, with incidence reported in a 2–50% range at that site, so it isn't a Sigatoka-only risk.
Can Robusta bananas be shipped long distances?
Not well — despite having somewhat better keeping quality than Dwarf Cavendish, its fruit still breaks down quickly after ripening, so both sources checked describe it as unsuited to long-distance transport.
Do I really need to prop every Robusta plant?
Yes, once the bunch starts filling. At 25–30 kg on a semi-tall plant, one storm or even a heavy bunch alone can snap or topple it, and a bunch lost on the ground is a whole plant's year gone. Prop with bamboo or twin-stake every bearing plant, not just the ones that look unsteady.
Robusta or Dwarf Cavendish?
Robusta is a semi-tall sport of Dwarf Cavendish with a bigger bunch, 25–30 kg against 15–25 kg, and slightly better keeping, but it must be propped and catches more wind. In a windy plot keep Dwarf Cavendish; where wind is not the problem, Robusta puts more weight on the cart.
Can I send Robusta to a distant market?
Not well. Its keeping quality beats Dwarf Cavendish but is still described as poor in absolute terms, and the fruit breaks down quickly once ripening starts. Harvest at the right green stage for a local or regional sale, and leave the long hauls to Grand Naine.
How long does Robusta take to its bunch?
12–13 months, against 11–12 months for Grand Naine. Through the last few months the plant is carrying a heavy bunch on a tall stem, which is why propping is not optional and why Sigatoka control matters most late in the cycle.
Robusta or Grand Naine for a south Indian fresh market?
Grand Naine if you are selling on uniform grade, since it comes to harvest together in 11–12 months. Robusta if your market wants heavy Cavendish bunches and you can prop the plants and keep Sigatoka down. Both are susceptible to Sigatoka, so neither saves you that work.
Sourced from: Banana Variety Robusta (AAA) — Global Agriculture, Season & Varieties — Banana Expert System, TNAU Agritech Portal, Geographical Distribution, Host Range and Genetic Diversity of Fusarium oxysporum f. sp. cubense Causing Fusarium Wilt of Banana in India — PMC, Banana production guide, TNAU Agritech Portal: variety-wise planting distance, season of planting, sucker selection and irrigation. editorial policy.