Bitter gourd (Momordica charantia)

Bitter gourd (Momordica charantia) is a Cucurbitaceae vine grown commercially across India for its immature spiny fruits, valued both as a vegetable and for traditional medicinal use. The crop is cultivated on pandals and trellises in coastal Andhra Pradesh, Telangana, Karnataka and across northern India, in both open-field and protected-cultivation systems.

Key characteristics

Family: Cucurbitaceae
Habit: monoecious annual climber requiring trellis or pandal training
Reference variety: Pusa Rasdar (first female flower at ~27 days vs ~30 days for Selection 32)

Cultivation

Bitter gourd performs best when trained on trellis structures that improve air circulation, light penetration and harvesting access. ICAR trial work has shown that wider 30 x 50 cm spacing accelerates first female flowering compared to closer plantings. Standard package recommendations cover trellis training, drip irrigation, balanced fertigation and micronutrient foliar sprays, all of which materially raise yield. The crop is increasingly grown under protected cultivation in regions where summer temperatures and pest pressure limit open-field production. Indian extension materials from ICAR-IIVR and Vikaspedia document the integrated agronomy.

Pest and disease profile

Bitter gourd is susceptible to most of the cucurbit pest and disease complex - fruit flies (Bactrocera cucurbitae), red pumpkin beetle, powdery mildew, downy mildew, mosaic viruses and root-knot nematode. Pheromone traps, sanitation and cucurbit-specific IPM schedules are standard.

Adoption and use

The crop is grown both for fresh-market sale and as a niche dehydrated product. Improved varieties such as Pusa Rasdar are widely distributed alongside private F1 hybrids.

References

Bitter Gourd. Vikaspedia agriculture portal.
Effect of spacing and micronutrients on yield of bitter gourd. Indian Journal of Agricultural Sciences.