IISR Thevam Black Pepper Plants
IISR Thevam is a remarkable black pepper variety developed by the Indian Council of Agricultural Research (ICAR) through its Indian Institute of Spice Research. Released in 2004, Thevam has garnered significant attention for its exceptional performance and adaptability.
Key Features of IISR Thevam:
- High Yielding: Known for its impressive yield potential, Thevam typically produces around 5.17 kg of fresh pepper per vine. With a dry recovery rate of 35%, this translates to a substantial harvest of dried pepper.
- Adaptability: Thevam thrives in both high-altitude regions and plains, making it suitable for a wide range of cultivation environments.
- Disease Resistance: It exhibits tolerance to foot rot diseases, a common challenge in pepper cultivation.
- Medium Maturity: Thevam matures in a reasonable timeframe, typically reaching maturity within 3-4 years of planting.

IISR Panchami Black Pepper Plants
IISR Panchami is a renowned black pepper variety developed by the Indian Institute of Spice Research (IISR). Released in 1991, Panchami has earned a strong reputation for its exceptional yield potential and overall performance.
Key Features of IISR Panchami:
- High Yielding: Panchami is a prolific variety, capable of producing up to 6528 kg of dry pepper per hectare. This translates to a substantial yield per vine, reaching 5.2 kg of green pepper.
- High Fruit Set: It exhibits excellent fruit set, contributing significantly to its high yield.
- High Oleoresin Content: Panchami boasts a high oleoresin content of 12.5%, an important factor for its commercial value.
- Late Maturing: This variety belongs to the late-maturing group.
Morphological Characteristics:
- Leaf: Panchami has ovate-shaped leaves with a length of 14.5 cm and a breadth of 8.5 cm.
- Spike: The pepper spikes are characterized by their twisted appearance due to the high fruit set. They measure 11.2 cm in length.
- Fruits: Each spike typically bears 84 fruits, with a 1000-fruit weight of 107 grams.
Quality Attributes:
- Piperine Content: Panchami contains 4.7% piperine, contributing to its characteristic pungency.
- Oleoresin and Essential Oil: It offers a high oleoresin content (12.5%) along with a respectable 3.4% essential oil content.
Areas of Adoption:
Panchami is widely adopted across all pepper-growing regions of Kerala and Karnataka.
Specific Recommendations:
- Clonal Planting: It is strongly recommended to use clonal planting material for optimal performance.
- Plant Protection: Strict plant protection measures are essential to mitigate potential diseases and pests.
- Drought Sensitivity: Panchami may not be well-suited for drought-prone areas.
IISR Panchami is a highly regarded black pepper variety known for its exceptional yield potential, high fruit set, and excellent oleoresin content. While it requires careful management practices, especially in drought-prone regions, Panchami remains a valuable option for pepper growers seeking a high-yielding and commercially viable cultivar.












douglas wilson –
High-quality plants! They arrived fresh and well-packed. I’ve already planted them and they’re thriving beautifully