The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both...

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The Experience of Doa Seed on Reducing Post-Harvest Losses Prof.Dr. Mehmet Emin Çalışkan Consultant of Doga Seed Ömer Halisdemir University [email protected] Doğa Tohumculuk A.Ş. Fatih Mah. Susam Sok. No:16 Gülşehir, Nevşehir, Turkey www.dogaseed.com

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Page 1: The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both pre- and post-harvest conditions affects losses Pre-harvest factors Cultivar and

The Experience of Doga Seed on Reducing Post-Harvest Losses

Prof.Dr. Mehmet Emin Çalışkan Consultant of Doga Seed

Ömer Halisdemir University

[email protected]

Doğa Tohumculuk A.Ş. Fatih Mah. Susam Sok. No:16 Gülşehir, Nevşehir, Turkey www.dogaseed.com

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Doga Seed in brief

Established in Nevsehir for seed and processing potato production by Yakup Karahan in 1996

The first cave storage (10.000 t) in 1996

Total capacity reached to 120.000 t in 2014

All storages were air-conditioned in 2014

Tissue culture laboratory and mini tuber production in 2005

Tissue culture laboratory re-built and uscaled in 2010

Two millions of mini-tubers per year

Cultivar breeding program in 2010

The first candidates will be submitted in 2016

French fry factory in 2011

The capacity increased from 6 t up to 18 t per hour in 2015

42% of production exports to Brasil, France, The Netherlands, Russia, Azerbaijan, Saudi Arabia, Irak and Pakistan

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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Doga Seed in brief

405 employees in total

Seed, processing and ware potato production on 2800 ha in three regions,

Annual potato production of 120.000 t in total

Storage of 80.000 t potatoes annually

20.000 t seed potato

60.000 t processing potato

The largest single potato producer in Europe

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Page 5: The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both pre- and post-harvest conditions affects losses Pre-harvest factors Cultivar and

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Page 6: The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both pre- and post-harvest conditions affects losses Pre-harvest factors Cultivar and

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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Potato is not only our business but also our passion...

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Doga Seed is a POTATO company dealing with only potatoes from seed to fork...

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Hidden treasure

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Post-harvest losses in potato

Potato is a very vulnerable crop for post-harvest losses

Bruising

Weight losses

Loss in dry weight (Respiration)

Loss in fresh weight (Evaporation)

Quality losses

Starch breakdown

Sugar buildup

Decaying

Sprouting

Greening

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Common storage of potatoes by farmers in Central Anatolia

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Wasting potatoes due to unsuitable post-harvest management

Page 15: The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both pre- and post-harvest conditions affects losses Pre-harvest factors Cultivar and

Post-harvest losses in potato

Both pre- and post-harvest conditions affects losses

Pre-harvest factors

Cultivar and seed quality

Air and soil temperatures during growing period and harvest

Pests and diseases

Availability of water for irrigation

Soil types

Skin-set and damages during harvest

Post-harvest factors

Temperature

Relative humidity

Aeriation

Pest and diseases

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Cappadocia region offers marvelous oppurtunities for natural potato storage

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Natural cave storages in Cappadocia

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Before modernization of Doga Seed cave stores

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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How Doga Seed reduced post-harvest losses?

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Selection of suitable fields

👎Heavy soils, stony fields results in more damage and bruising on tubers

Better tillage and seed-bed preparation

👎 Avoid tillage on wet soils to prevent clods

Pre-harvest precautions

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Pre-harvest precautions

👎 👍

Hermes Russet Burbank

Pomqueen Granola

Agria

Selection of cultivars having better storability

Using high quality seed tubers

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Pre-harvest precautions

Controlling pest and diseases on the field

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Haulm killing before harvest for better skin-set

Harvesting at proper soil and air temperatures

Harvesting at over 25 oC results in at least 10% more loss in storage

Light irrigation helps to reduce damages

Special attention to reduce damage during harvest and picking

Pre-harvest precautions

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Rapid harvest and immediate transfer to storage

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Post-harvest precautions

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Reducing dropping height during loading to storage

Elimination of damaged/diseased/rotten/greened tubers before storage

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Post-harvest precautions

Keep hygiene at maximum level in storage

Proper curing at the beginning of storage period,

Keeping potatoes at 12-13 oC and 95% humidity for 15 days for suberization and skin-set

Then, gradually decrease (0.5 oC) in temperature until target temp

Spraying Chlorpropham (CIPC) to prevent spraying sprouting

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Maintaining the best storage environment for potatoes

2-4 oC for seed potatoes

5-7 oC for ware potatoes

8-10 oC for processing potatoes

>90% relative humidity

Ventilating periodically

Now, post-harvest losses reduced below 6%!!!

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8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

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Using wooden box for seed tubers

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Post-harvest losses below 4% for seed potatoes!!!

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Fully automated storage for mini-tubers…

8th Meeting of the COMCEC Agriculture Working Group, 13 October 2016, Ankara, Turkey

Page 32: The Experience of Doğa Seed on Reducing Post-Harvest Losses · Post-harvest losses in potato Both pre- and post-harvest conditions affects losses Pre-harvest factors Cultivar and

Thanks for your attention…

www.dogaseed.com


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