TRUE POTATO SEED (T.P.S.) next end. next previousend Tiny botanical seeds of potato obtained by crossing two parental lines of Potato, a substitute of.

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TRUE POTATO SEED (T.P.S.) next end

next previousend Tiny botanical seeds of potato obtained by crossing two parental lines of Potato, a substitute of traditional seed tubers. Importance of true potato seeds 100 grams of seed is sufficient to cover one hectare area instead of planting tons of potato seed tuber. Being hybrid capable of giving more production. Absolutely diseases free seed material. No cold storage facility is required for storing T.P.S. Practically no cost is involved for transporting T.P.S. unlike seed tuber. Comparatively more resistance to pests and diseases. Net profit is more as cost of cultivation is less and also as the per hector production is more.

next previousend Cost of production of potato using T.P.S. is approximately 55 per cent less in comparison to cost of production of potato using seed tuber. At the same time production may be obtained up to the level of 35 m.t. per hectare. Potato plant with flowers

next previousend Raising seedling for TPS: Care should be taken against termite and damping-off. Apply foliar spray 0.01% Urea solution from 15th day after sowing on alternate days till the seedlings are ready for transplanting (25 to 28 days) with 3 to 4 leaf stage. Seeds are sown a 0.5 cm depth in raised nursery beds (6 inches or 15 cm) prepared to good tilt with finely powdered dry cow dung in rows at 10 cm apart & provide shed. Water with fine rose can.

next previousend Cultivation in the main field:  Prepare main field to a good tilt.  After leveling apply 75:100:150 kg. NPK per hectare.  Make ridges (6 inches or 15 cm. height) furrows at 50 to 60 cm. apart in east - west direction.  Irrigate the furrows to 3 inches or 7.5 cm height.  Transplant the seedlings on the next day on the northern side of ridges at half the height at 15cm apart.  On 35th day apply 75 kg. Nitrogen per hectare after weeding and earthing up is to be done in such a way that the plants come up on top of the earth.  Provide irrigation as and when required.

next previousend Tuber let: Small tubers uptown 20 grams size use as seed tuber. Seed tuber requirement could be brought down to one-third by using Tuber let. Package of practices of production to Tuber let using T.P.S.: At present there are two methods in practice for producing seedling tubers in bed –  Single Row Method,  Double Row Method.

next previousend Single Row Method:  Prepare beds of 6 inches or 15 cm height, 1 mt. width and according to convenient length" at 0.75 cm apart.  Bring to good tilth mixing with finely powdered well-rotten dried cow dung.  Apply Urea, S.P and 20 gms, 60 gms & 25 gms./ Sq.mt. respectively as basal dose. Sow 2-3 seeds per hole at 0.5 cm. depths with 20 cm. X 5 cm. spacing.  Provide shade to avoid scorching sun and irrigate the beds with fine rose cane as per necessity.  Earth up with the mixture of finely prepared soil and cow dung along with 5 gms./sq. mt. at 30th, 45th and 60th day. Cut the haulms at 85th day.  During the Whole production period, need base spraying with P.P.C. should be undertaken  Treat the Tuber lets with 3% Boric-acid and store in cold storage for next year after proper drying in shade.

next previousend Double Row Method: Preparation of field and other operation are same as single row method except sowing of seeds. In Double Row method seeds are sown 4 cm. apart in a line and row to row distance is 10 cm. In between two double row distance is 30 cm. Top dressing with 5 gm. Urea per Sq.mt. at 30th, 45th and 60th day followed by earthing up as practiced in normal crop so that two lines can be covered by a single furrow. Profuse flowering in the parental lines is essential for TPS production. Potato being a temperate crop needs cool climate and longer photoperiod for flowering to occur. In high, altitudes, potato is grown during long summer days and the plants produce flowers under natural condition several characters are important for commercial production of hybrid TPS and its utilization for growing ware potato crop. (Cont)..

next previousend These include high berry and seed set in the parents which facilitates production of more seeds per plant, seed germination, seedlings survival on transplantation and uniformity of produce T.P.S can be obtained by sending Demand Draft in advance drawn in favour of the Vegetable Seed Production Officer, Horti. Research complex, Nagicherra, Agartala, Tripura (West), Pin Phone-(0381) Rate of T.P.S. is Rs. 16,000/- per Kilogram within India Rate for abroad is 650 U.S. Dollar per Kilogram excluding Central Excise duty (CED), Freight charge etc.

next previousend Availability of True Potato Seed during : Variety Stock Available (in kg) II/ / I/

next previousend Assessment 1) TPS meaning (True potato seed) 2) Seed tuber size is about a)30 gm b) 25 gm c) 20 gm 3)What are the two method for producing seedling tuber? (Single Row Method, Double Row Method) 4) True potato seed (TPS) known as ________ of potato. (botanical seed). 5 ) Profuse flowering in the parental lines is essential for TPS production (True/ False)

previous References:  Smith, Potatoes; Production, storing, processing - The Avi publishing company. INC  Narendra singh & Zakwan Ahmed,2010 – Potato production, storage & marketing.  