The seed rate for Kufri potato varieties depends on tuber size: 8-10 quintals per acre for small size tubers (25-35mm diameter), 10-12 quintals per acre for medium size tubers (35-50mm diameter), and 12-18 quintals per acre for large size tubers (50-75mm diameter).

For disease-free quality seed production, CPRI recommends using whole tubers instead of cut pieces. The optimal seed tuber weight is 30-40 grams with 35-40mm size for achieving proper plant population density and maximum yield potential. Using certified seeds from CPRI ensures genetic purity and freedom from seed-borne diseases.

Kufri Badshah gives the highest yield among CPRI varieties with 50 tons per hectare (20 tonnes per acre). This high-yielding variety matures in 100-110 days and produces large, oval, white tubers. It is cultivated successfully in Jammu Kashmir, Haryana, Punjab, Uttar Pradesh, and Madhya Pradesh with excellent resistance to Potato Virus X (PVX).

Following Kufri Badshah, Kufri Sindhuri yields 40 tons per hectare (16 tonnes per acre) with better stress tolerance, Kufri Chipsona-1 yields 40 t/ha for processing purposes, and Kufri Chandramukhi yields 25 tonnes per acre. Among the newly released varieties in 2025, Kufri Tejas yields 37-40 t/ha while Kufri Ratan yields 37-39 t/ha with excellent storability features.

Kufri Pukhraj is an early maturing variety that takes 70-90 days with yellow to golden skin, large oval tubers with smooth waxy texture, and yields approximately 160 quintals per acre (350-400 q/ha). It is resistant to early blight, has yellow flesh, and is not suitable for processing due to its waxy texture. It performs well in low-input farming systems and is easy to cook.

Kufri Jyoti matures in 80-90 days with white skin, white flesh, small fleet eyes, and yields 20-25 tonnes per acre (20-30 t/ha). It offers better storability with 6-8 weeks dormancy period, wider geographic adaptability across Maharashtra, Gujarat, Punjab, Haryana, Karnataka, and West Bengal, and is moderately resistant to both early and late blight diseases. Kufri Jyoti is preferred for general table consumption with mild flavor.

The Kufri Chipsona series was specifically developed by CPRI for the potato processing industry. The series includes:

Kufri Chipsona-1 (released 1998) – Highest yield at 40 t/ha, best suited for Bihar and Uttar Pradesh, oval tubers with white flesh, resistant to late blight and frost tolerant; Kufri Chipsona-2 (released 1998) – 35 t/ha yield, round-oval shape with yellow flesh, excellent for chips; Kufri Chipsona-3 (released 2005) – Developed specifically for Indian plains; Kufri Chipsona-4 and Kufri Chipsona-5 – Later releases for enhanced processing quality.

The newly released Kufri Chipbharat-1 and Kufri Chipbharat-2 (2025) offer enhanced processing efficiency with improved yields. All Chipsona varieties feature low reducing sugars, high dry matter content (>20%), excellent golden chip color, medium maturity (90-110 days), and resistance to late blight disease making them preferred by major chips manufacturers across India.

Storage duration varies significantly by variety based on their dormancy period:

Long dormancy varieties (>75 days) – Kufri Pushkar, Kufri Red, and Kufri Sindhuri are excellent for extended cold storage up to 6-8 months at 2-4°C with minimal sprouting and weight loss. These are preferred for commercial storage operations.

Medium dormancy varieties (60-90 days) – Kufri Jyoti (6-8 weeks), Kufri Chandramukhi, Kufri Chipsona-1, Kufri Lalima, Kufri Kundan, and Kufri Safed (90 days) can be stored for 4-5 months successfully. Short dormancy varieties (45-60 days) – Kufri Pukhraj, Kufri Surya, and Kufri Naveen should be marketed within 2-3 months as they sprout quickly.

Research shows that Kufri Chandramukhi, Kufri Chipsona-1, and Kufri Sindhuri demonstrate minimal weight loss (under 10%) during 120 days storage, making them most suitable for commercial cold storage. Maintain storage temperature at 2-4°C with 90-95% relative humidity for optimal results.

To book certified potato seeds from CPRI, follow these methods:

Direct Contact: Call CPRI Shimla at 0177-2625073 (toll-free) or CPRI Modipuram campus at 9915307765 for seed booking inquiries. Regional Centers: Visit CPRI regional stations located at Shimla (Himachal Pradesh), Jalandhar (Punjab), Modipuram (Uttar Pradesh), Gwalior (Madhya Pradesh), and Patna (Bihar) for direct seed purchase.

Through Government Channels: Contact your local Krishi Vigyan Kendra (KVK) for information on seed availability and booking procedures. Order through State Agriculture Departments or National Seeds Corporation (NSC) which distribute CPRI seeds. Timing: Book early during August-September for Rabi season (October-November) planting to ensure availability of desired varieties.

Quality Assurance: Always verify seed certification tags bearing CPRI logo and batch numbers. Check for proper labeling with variety name, seed grade (breeder/foundation/certified), and production year. Avoid purchasing from unauthorized dealers to ensure genetic purity and disease-free quality seeds.

The Ministry of Agriculture and Farmers Welfare officially notified four new ICAR-CPRI potato varieties in 2025 based on Central Seed Committee recommendations:

Kufri Ratan – Medium maturing (90 days), red-skinned table variety yielding 37-39 t/ha with wide adaptability across North Indian plains and plateau regions including Haryana, Punjab, Uttarakhand plains, Uttar Pradesh, Madhya Pradesh, and Rajasthan. Features attractive tubers with excellent storability.

Kufri Tejas – Heat-tolerant table potato, medium maturing (90 days), high-yielding (37-40 t/ha), specifically suitable for Indian plains including Haryana, Punjab, UP, MP, Gujarat, and Maharashtra. Offers good storability under ambient conditions making it ideal for regions with limited cold storage access.

Kufri Chipbharat-1 and Kufri Chipbharat-2 – New processing varieties developed for chips and French fries production with enhanced processing efficiency, better yields, and improved returns for farmers. These varieties support the growth of India’s potato-based food processing industry.

For Maharashtra’s climate conditions, CPRI recommends the following varieties:

Kufri Sindhuri (Most Suitable) – This variety dominates Maharashtra cultivation as it tolerates temperature and water stress common in the region. Matures in 110-120 days, yields 40 t/ha, features red skin preferred in Maharashtra markets, shows resistance to Potato Leaf Roll Virus (PLRV), and is suitable for processing. Major growing areas include Pune, Nashik, Ahmednagar, and Satara districts.

Kufri Jyoti – Offers wide adaptability, early maturity (80-90 days) for quick returns, good for early market arrivals when prices are high, and moderate disease resistance. Kufri Lauvkar – Extra-early variety (20-25 days) ideal for central Maharashtra, allows multiple cropping in a year, and suitable for warm climate early tuberization.

Kufri Tejas (New 2025 Release) – Specifically developed as heat-tolerant variety for plains including Maharashtra, offers 37-40 t/ha yield with good ambient storage capability, making it highly suitable for small and marginal farmers in Maharashtra with limited cold storage access.

Kufri varieties are classified by maturity periods to suit different cropping systems:

Extra Early Varieties (20-25 days) – Kufri Lauvkar, Kufri Lalima – Ideal for quick turnaround and multiple cropping; Early Maturing Varieties (70-90 days) – Kufri Pukhraj (70-90 days), Kufri Alankar (75 days in plains, 140 days in hills), Kufri Jyoti (80-90 days), Kufri Chandramukhi (80-90 days), Kufri Ashoka (80-90 days) – Suitable for fitting into tight crop rotations.

Medium Maturing Varieties (90-110 days) – Kufri Ratan (90 days – new 2025), Kufri Tejas (90 days – new 2025), Kufri Chipsona-1 (90-110 days), Kufri Chipsona-2 (90-110 days), Kufri Badshah (100-110 days), Kufri Jawahar (90-100 days) – Balance between yield and crop duration.

Late Maturing Varieties (110-130 days) – Kufri Sindhuri (110-120 days), Kufri Bahar (110-120 days), Kufri Sutlej (120-125 days) – Higher yield potential with longer growing season. Note: Plains regions generally have 10-20 days shorter maturity compared to hilly regions for the same variety due to temperature differences.

Late blight (Phytophthora infestans) is the most devastating potato disease. CPRI has developed several resistant varieties:

Highly Resistant Varieties: Kufri Chipsona-1 and Kufri Chipsona-2 – Both show excellent resistance to late blight and are also tolerant to frost, making them suitable for early planting in cold regions. These varieties revolutionized processing potato cultivation in India.

Moderately Resistant Varieties: Kufri Jyoti – Moderate resistance to both early and late blight with wide adaptability; Kufri Badshah – Moderate resistance to late blight with PVX resistance; Kufri Jawahar – Shows moderate late blight resistance with high yield; Kufri Pukhraj – Moderately resistant to late blight with early blight resistance.

Field Resistant Variety: Kufri Frysona – Possesses high field resistance to late blight and maintains quality over 8+ weeks in storage. Important Note: No potato variety is completely immune to late blight. For best protection, combine resistant varieties with integrated disease management including prophylactic fungicide sprays (Mancozeb, Metalaxyl), proper plant spacing, removal of infected plants, and field sanitation practices.

The price of Kufri Jyoti certified seeds varies based on source, location, and season:

CPRI Foundation Seeds: ₹1,200-1,500 per quintal directly from CPRI seed production centers; Certified Seeds from State Agriculture Departments: ₹1,000-1,300 per quintal through government channels; Private Authorized Dealers: ₹1,400-1,800 per quintal from licensed seed companies; Small Pack Sizes: 50 kg bags typically range from ₹600-900 depending on retailer.

Prices fluctuate based on demand-supply dynamics, planting season timing, transportation costs, and seed grade (breeder > foundation > certified). Government subsidies may reduce costs by 30-50% for small and marginal farmers, SC/ST farmers, and women farmers under various state and central schemes.

Quality Assurance Tips: Always purchase from authorized dealers with proper CPRI certification tags to ensure genetic purity and disease-free status. Verify batch numbers, production year, and seed grade on labels. Cheaper seeds from unauthorized sources often result in poor germination, disease problems, and lower yields, ultimately costing more than certified seeds.

CPRI has developed specific varieties optimized for French fries production:

Kufri Frysona (Primary Choice) – Specifically developed for French fries manufacturing with high dry matter content (>20%), oblong tuber shape ideal for long fries cuts, excellent golden frying quality, good cold storage tolerance (8+ weeks), low reducing sugars preventing dark fries, and field resistance to late blight disease. Suitable for hilly regions and northern plains.

Kufri Chipsona-1 and Kufri Chipsona-2 – Dual-purpose varieties suitable for both chips and French fries production, oval tuber shape, 40 t/ha and 35 t/ha yields respectively, resistant to late blight and frost tolerant. Kufri Chipbharat Series (New 2025) – Latest processing varieties suitable for fries with enhanced processing efficiency.

Key Characteristics Required for Fries: High dry matter content (>20-22%), low reducing sugars (<0.2%) to prevent browning, medium to large tuber size (>50mm), oblong or long oval shape for uniform cuts, shallow eyes for minimal peeling loss, and excellent cold storage tolerance without sugar accumulation. Processing varieties should be harvested at full maturity and properly cured before storage to optimize frying quality.

The Central Potato Research Institute (CPRI), Shimla has developed over 60 Kufri varieties since its establishment in 1949, catering to diverse agro-climatic zones and end-use requirements across India.

Major Table Varieties: Kufri Jyoti, Kufri Sindhuri, Kufri Chandramukhi, Kufri Badshah, Kufri Pukhraj, Kufri Bahar, Kufri Ashoka, Kufri Sutlej, Kufri Lalima, Kufri Lauvkar, Kufri Jawahar, Kufri Kundan, Kufri Kuber, Kufri Pushkar, Kufri Red, Kufri Safed, Kufri Surya, Kufri Shailja, Kufri Sadabahar, Kufri Alankar, Kufri Neela, Kufri Naveen, Kufri Dewa, Kufri Sheetman, Kufri Chamatkar, and many more.

Processing Varieties: Kufri Chipsona-1, 2, 3, 4, 5 (for chips), Kufri Frysona (for French fries), Kufri Himsona (hilly regions processing). Latest Releases (2025): Kufri Ratan (table, heat-tolerant), Kufri Tejas (table, red-skinned), Kufri Chipbharat-1 and Kufri Chipbharat-2 (processing).

These varieties are strategically developed for different purposes: early, medium, and late maturity groups; table consumption vs processing applications; specific agro-climatic adaptations; disease and pest resistance; and stress tolerance (heat, drought, frost). CPRI continues active breeding programs to develop new varieties addressing emerging challenges like climate change, new disease strains, and changing market demands.

Dormancy period determines how long tubers remain without sprouting, directly affecting storage life and marketability:

Long Dormancy Varieties (>75 days): Kufri Pushkar (lowest weight loss at 7.7%), Kufri Red, Kufri Sindhuri – These varieties are excellent for extended commercial storage of 6-8 months in cold storage facilities, making them preferred by traders and storage operators for better price realization.

Medium Dormancy Varieties (60-75 days): Kufri Jyoti (6-8 weeks), Kufri Chandramukhi, Kufri Chipsona-1, Kufri Lalima (medium), Kufri Dewa, Kufri Kundan, Kufri Kuber, Kufri Lauvkar, Kufri Safed (90 days), Kufri Shailja (60 days), Kufri Sheetman – Suitable for 4-5 months storage, balancing storage needs with market timing.

Short Dormancy Varieties (45-60 days): Kufri Pukhraj (medium 6-8 weeks but early sprouting), Kufri Surya, Kufri Naveen, Kufri Neela – These should be marketed within 2-3 months or used for seed production requiring early sprouting.

Breaking Dormancy for Seed: Use Carbon disulphide (CS₂) at the rate of 30 grams per 100 kg of seed tubers to break dormancy and induce uniform sprouting when needed for timely planting. Store seeds at 15-20°C with indirect light exposure 2-3 weeks before planting for optimal sprouting.

CPRI has zone-specific recommendations for optimal performance:

Punjab & Haryana: Kufri Jyoti, Kufri Badshah, Kufri Chandramukhi, Kufri Pukhraj, Kufri Ashoka, Kufri Jawahar, Kufri Sutlej, Kufri Alankar, Kufri Ratan (new), Kufri Tejas (new) – These states dominate seed production.

Uttar Pradesh: Kufri Sindhuri, Kufri Chandramukhi, Kufri Badshah, Kufri Jyoti, Kufri Sutlej, Kufri Lalima, Kufri Bahar, Kufri Chipsona-1, Kufri Chipsona-2, Kufri Tejas, Kufri Ratan – Largest potato producing state. Bihar: Kufri Sindhuri, Kufri Jyoti, Kufri Lalima, Kufri Ashoka, Kufri Chandramukhi, Kufri Sutlej, Kufri Chipsona-1, Kufri Chipsona-2 – Second largest producer.

Maharashtra & Gujarat: Kufri Sindhuri (most popular), Kufri Jyoti, Kufri Lauvkar, Kufri Chandramukhi, Kufri Jawahar, Kufri Tejas (new, heat-tolerant) – Stress-tolerant varieties preferred. West Bengal: Kufri Jyoti, Kufri Chandramukhi, Kufri Ashoka, Kufri Pukhraj – Early varieties for quick returns.

Madhya Pradesh: Kufri Badshah, Kufri Jawahar, Kufri Lauvkar, Kufri Pukhraj, Kufri Chandramukhi, Kufri Tejas, Kufri Ratan. Karnataka: Kufri Sindhuri, Kufri Jyoti, Kufri Lauvkar, Kufri Jawahar, Kufri Chandramukhi. Jammu & Kashmir: Kufri Sindhuri, Kufri Badshah, Kufri Bahar, Kufri Jyoti – Long season varieties. Himachal Pradesh & Uttarakhand Hills: Kufri Jyoti, Kufri Chandramukhi, Kufri Bahar, Kufri Girdhari, Kufri Himalini – High altitude varieties.