🍍 Pineapple (Ananas comosus L.) –
1. Introduction
| Particular | Answer |
|---|---|
| Scientific Name | Ananas comosus (L.) Merr. |
| Family | Bromeliaceae |
| Chromosome Number | 2n = 50 |
| Fruit Type | Multiple Fruit (Sorosis) ⭐⭐⭐ |
| Edible Portion | Fused ovaries, bracts and axis (inflorescence) |
| Pollination | Mostly self-sterile; commercial cultivation is vegetative |
| Propagation | Suckers, Slips, Crowns |
| Economic Life | 4–6 years |
2. Origin
| Particular | Answer |
|---|---|
| Centre of Origin | Brazil–Paraguay region (South America) |
| Introduced in India | By the Portuguese |
3. Climate
| Parameter | Requirement |
|---|---|
| Climate | Tropical |
| Optimum Temperature | 22–32°C |
| Rainfall | 1000–1500 mm |
| Altitude | Up to 1000 m |
4. Soil
| Parameter | Requirement |
|---|---|
| Soil Type | Well-drained sandy loam or loam |
| Soil pH | 4.5–6.5 ⭐ |
| Drainage | Essential; waterlogging is harmful |
5. Planting
| Particular | Recommendation |
|---|---|
| Planting Season | June–September |
| Spacing | 60 × 30 cm or 90 × 30 cm |
| Plant Population | 44,000–53,000 plants/ha |
| Propagation | Suckers (best), Slips, Crowns |
10. Flower Induction
| Chemical | Purpose |
|---|---|
| Ethephon ⭐⭐⭐ | Uniform flowering |
| Ethylene | Flower induction |
| Calcium Carbide | Flower induction (used carefully) |
11. Major Diseases
| Disease | Causal Organism |
|---|---|
| Heart Rot ⭐⭐⭐ | Phytophthora spp. |
| Base Rot | Ceratocystis paradoxa |
| Fruit Rot | Penicillium spp. |
| Leaf Spot | Various fungi |
12. Major Insect Pests
| Pest | Scientific Name |
|---|---|
| Mealybug ⭐⭐⭐ | Dysmicoccus brevipes |
| Scale Insect | Diaspis bromeliae |
| Nematode | Meloidogyne spp. |
13. Physiological Disorders
| Disorder | Cause |
|---|---|
| Sun Scald | High temperature |
| Fruit Cracking | Irregular irrigation |
| Multiple Crowns | Genetic/environmental factors |
14. Harvesting
| Particular | Recommendation |
|---|---|
| Bearing Starts | 15–18 months |
| Harvesting Stage | 25–30% shell colour change (for distant markets) |
| Harvesting Method | Cut fruit with a portion of stalk |
15. Yield
| Type | Yield |
|---|---|
| Average Yield | 40–60 t/ha |
| Good Management | 70–80 t/ha |
16. Storage
| Parameter | Recommendation |
|---|---|
| Storage Temperature | 7–10°C |
| Relative Humidity | 85–90% |
| Storage Life | 2–3 weeks |
17. Post-harvest Management
| Operation | Purpose |
|---|---|
| Washing | Remove dirt |
| Grading | Uniform quality |
| Packaging | Corrugated Fibre Board (CFB) boxes |
| Cold Storage | Extend shelf life |
18. Important Varieties
| Variety | Special Feature |
|---|---|
| Kew ⭐⭐⭐ | Processing variety, large fruits |
| Queen ⭐⭐⭐ | Table purpose, sweet fruits |
| Mauritius | Commercial cultivar |
| Giant Kew | Large fruits |
| MD-2 | Export quality, excellent shelf life |
19. Important Institutes
| Institute | Location |
|---|---|
| ICAR-Central Plantation Crops Research Institute (CPCRI) | Kasaragod, Kerala |
| ICAR-IIHR | Bengaluru |
| ICAR Research Complex for NEH Region | Meghalaya |
20. India & World Production
| Particular | Answer |
|---|---|
| Largest Producer | Costa Rica (major exporter); India is among the leading producers |
| Major Producing States in India | West Bengal, Assam, Tripura, Meghalaya, Kerala, Karnataka |
| Largest Exporter | Costa Rica |
21. Important Crop Terms
| Term | Meaning |
|---|---|
| Sorosis ⭐⭐⭐ | Multiple fruit formed from an entire inflorescence |
| Slip | Shoot arising below the fruit |
| Sucker | Shoot arising from the stem |
| Crown | Leafy top of the fruit used for propagation |
| CAM Plant ⭐⭐⭐ | Crassulacean Acid Metabolism plant |
22. Important One-Liners
| Question | Answer |
|---|---|
| Scientific Name | Ananas comosus |
| Family | Bromeliaceae |
| Fruit Type | Sorosis (Multiple Fruit) |
| Origin | Brazil–Paraguay |
| Introduced in India by | Portuguese |
| Best Propagation | Suckers |
| Major Disease | Heart Rot |
| Major Pest | Mealybug |
| Flower Induction Chemical | Ethephon |
| Commercial Variety | Kew |
| Table Variety | Queen |
| Soil pH | 4.5–6.5 |
| Bearing Starts | 15–18 months |
| Storage Temperature | 7–10°C |
| Major Producing State | West Bengal |
| Research Institute | ICAR-CPCRI |
23. Frequently Asked PYQs
| Question | Answer |
|---|---|
| Scientific name of pineapple | Ananas comosus |
| Family of pineapple | Bromeliaceae |
| Fruit type | Sorosis |
| Best propagation material | Suckers |
| Flower induction chemical | Ethephon |
| Major disease | Heart Rot |
| Major pest | Mealybug |
| Processing variety | Kew |
| Table variety | Queen |
| Soil pH suitable for pineapple | 4.5–6.5 |
⭐ Most Important Facts for Exams
| Topic | Remember |
|---|---|
| Scientific Name | Ananas comosus |
| Family | Bromeliaceae |
| Fruit Type | Sorosis (Multiple Fruit) |
| Origin | Brazil–Paraguay |
| Propagation | Suckers |
| Flower Induction | Ethephon |
| Major Disease | Heart Rot |
| Major Pest | Mealybug |
| Best Variety for Processing | Kew |
| Best Table Variety | Queen |
| Soil pH | 4.5–6.5 |
| Major Research Institute | ICAR-CPCRI, Kasaragod |
| Major Producing State (India) | West Bengal |