POST HARVEST PROFILE OF POTATO - Agmarknet

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3.0 <strong>POST</strong> <strong>HARVEST</strong> MANAGEMENT :3.1 Post harvest losses:Under tropical and sub-tropical conditions, the losses due to poor handling andstorage are reported to be in between 40-50 per cent. The post harvest losses ofpotatoes are defined as qualitative and quantitative losses. The qualitative lossesgreatly reduce the price of potatoes. The physiological, pathological causes and theirremedies are as under.Table No. 4Qualitative Losses of PotatoTypes of QualitativeReasonsRemediesLosses1. 2. 3.Physiologicallosses[Caused by the effectof environmentalconditions]Pathological losses[Caused by theattack of pathogense.g. fungi, bacteria,insects etc.]i) Due to exposure toextreme temperatures, (highand low temperatures), bothbefore and during storage.ii) Overheating of tubersdue to direct exposer tosunlight or during hightemperature and nonrefrigeratedstorage.iii) Rough handling oftubers during harvesting.i) Rottage and decayaccounts for major lossescaused due to attack ofpests and diseases. Itdepend primarily on thecondition of tubers storedand is linked with preharvest factors andaggravated by storageconditions. Such type oflosses are low in hills andnegligible or small in coldstorage.1. Do not expose tubers todirect sunlight or hightemperatures or freezingtemperatures.2. Do not harvest the cropbefore maturity.3. Store potatoes at 2-4 0 C incold storage.4. In case of processing andware potatoes, store at10-12 0 C by using sproutinhibitors.1. Careful attention to preharvest management likeharvesting, grading etc., isessential.2. Sorting and removal ofrotted and damaged tubersbefore and after storage.Source :Post Harvest Manual For Exports Of Potatoes, Agriculturaland Processed Food Export Development Authority(APEDA), New Delhi.8
The following quantitative losses of potato at different stages / levels in variousstates are given below.Table No. 5Quantitative Losses of PotatoStages / level States / U.T. Percentage of Losses1. 2. 3.Arunachal Pradesh, Himachal Pradesh, Upto 1 per centMeghalaya, RajasthanAssam, Jammu & Kashmir, Karnataka, Upto 2 per centHarvesting Manipur, Punjab, Tamil NaduBihar, Delhi, Haryana, Tripura, West Upto 3 per centBengalAndhra Pradesh, Madhya Pradesh, Upto 5 per centOrissa, Sikkim, Uttar PradeshGujarat, Maharashtra5-6 per centAssam2-3 per centBihar5-10 per centHimachal Pradesh1-2 per centKarnataka2 per centVillage TradersKerala10 per centMadhya Pradesh1-2 per centManipur1-2 per centMeghalaya0.5 per centOrissa1-2 per centSikkim2-4 per centWest Bengal3-6 per centAndhra Pradesh1-2 per centAssam2 per centBihar5-10 per centGujarat5 per centHimachal Pradesh1-3 per centTradersJammu & Kashmir5 per centMadhya Pradesh10-15 per centManipur3-5 per centMeghalaya0.5 per centOrissa2-5 per centPunjab6 per centSikkim1 per centTripura10-15 per centUttar Pradesh10 per centWest Bengal4-6 per centSource :Marketing of Potato in India, DMI,Ministry of Agriculture. Year – 1984, 2001.9
Page 6: 2.0 PRODUCTION :2.1 Major producing
Page 12: 3.2 HARVESTING CARE :3.2.1 Harvesti
Page 15 and 16: 3) POWER OPERATED POTATO GRADERFunc
Page 18 and 19: III) Grade Specifications for Expor
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Page 22 and 23: As per Codex, the Potato products s
Page 24 and 25: 3. ESSENTIAL COMPOSITION AND QUALIT
Page 26 and 27: tolerances in respect of external d
Page 28 and 29: Recommended International Code of P
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Page 56 and 57: In West Bengal, a similar system to
Page 58 and 59: co-operative marketing of agricultu
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The benefits of future trading :•
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1. 2. 3. 4.3) SCHEME FOR►To promo
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1. 2. 3.S.H.Gs are the selfmanaged
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9.0 PROCESSING AND UTILISATION :9.1
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10.0 DO'S & DON’TS :DO’S Harves
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11.4 Other related documents:1. Pro
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