National Research Center for Onion and Garlic

Pune, India

National Research Center for Onion and Garlic

Pune, India
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Tripathi P.C.,National Research Center for Onion and Garlic | Sankar V.,National Research Center for Onion and Garlic | Mahajan V.M.,National Research Center for Onion and Garlic | Lawande K.E.,National Research Center for Onion and Garlic
Indian Journal of Horticulture | Year: 2011

The post harvest treatments such as gamma-irradiation are known to reduce sprouting in onion. An, experiment was taken up to study the effect of gamma irradiation in dark red, light red , white and yellow colour onion varieties. The well-cured bulbs of 17 onion varieties were treated with 60 Gy dose of gamma rays and stored at ambient temperature from May to September. The observations on different types of losses were recorded at 15 day interval. The result revealed that gamma irradiation effectively checked sprouting in all onion varieties irrespective of their colour. There was no sprouting in irradiated bulbs of all varieties, while it was 0.0 to 34.3 percent in un-irradiated onions. There was no significant effect on physiological loss of weight, rotting and black mould infection. The total storage losses in irradiated onion were significantly less than unirradiated onion. The total losses in light red and yellow colour varieties were lower than dark red and white varieties.


Tripathi P.C.,National Research Center for Onion and Garlic | Lawande K.E.,National Research Center for Onion and Garlic
Indian Journal of Horticulture | Year: 2013

A Study was conducted using four storage environments and packing methods. After four months storage lossed were evaluated alongwith economics of storage. Top and bottam ventitated storage gave lowest physiological loss in weight (19.08%) and minimum bulb rotting (7.52%). Highest storage losses (54.77%) in traditional storage. Top and bottam ventilated storage was most economic (Rs. 2,459/t).

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