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Tombul

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What is Tombul Hazelnut? Where is it grown?

Tombul hazelnut is the most important hazelnut variety grown in our country. It is widely grown in Giresun province and is known as Giresun oily. The very good quality of the fruit has made it easy to hold in international markets and Turkish hazelnut has become a sought-after place in the world. The Tombul  hazelnut variety, which shows periodicity, gives regular and very high yields every year in good and well-kept garden conditions. Ripe, the fruit is plump and regularly shaped. It expands towards the table part, narrows regularly towards the tip and ends with a pointed tip. The fruit is clearly corrugated. The yield of Tombul hazelnuts with an average length of 17.58 mm and a width of 17.04 mm is 50-52%. The inner fruit membrane (testa) is light brown, shiny, smooth, thin, attached to the flesh and slightly veined. The inner fruit membranes, which are important in storage and transportation, are easily peeled and suitable for whitening. The inner fruit has adapted to the shell shape, the fruit flesh is white, shiny and crispy, the belly cavity is small, and the fat ratio is 69-72%. In order to have a high oil ratio, it reduces its resistance to mechanical pressure and causes easy deterioration. 1 kg of in-shell hazelnuts corresponds to 670 – 730 in-shell hazelnuts, mostly forming 3 or 4 pods.​

What are the Features of Tombul Hazelnut?

  • Tombul hazelnut is the most important hazelnut variety grown in our country.
  • It is widely grown in Giresun province and is known as Giresun oily.
  • The very good quality of the fruit has made it easy to hold in international markets and Turkish hazelnut has become a sought-after place in the world.
  • Tombul hazelnut variety, which shows periodicity, gives regular and very high yields every year in good and well-kept garden conditions.
  • Ripe, the fruit is plump and regularly shaped.
  • It expands towards the table part, narrows regularly towards the tip and ends with a pointed tip.
  • The fruit is clearly corrugated.
  • The yield of chubby hazelnuts with an average length of 17.58 mm and a width of 17.04 mm is 50-52%. -The inner fruit membrane (testa) is light brown, shiny, smooth, thin, attached to the flesh and slightly veined.
  • The inner fruit membranes, which are important in storage and transportation, are easily peeled and suitable for whitening.
  • The inner fruit has adapted to the shell shape, the fruit flesh is white, shiny and crispy, the belly cavity is small, and the fat ratio is 69-72%.
  • In order to have a high oil ratio, it reduces its resistance to mechanical pressure and causes easy deterioration.
  • 1 kg of in-shell hazelnuts corresponds to 670 – 730 in-shell hazelnuts, mostly forming 3 or 4 pods.​

What are the Soil and Climate Conditions of the Tombul Hazelnut?

Tombul hazelnut, which has a very high aroma in terms of flavor, is widely grown in Giresun province and is known as Giresun oily. Tombul hazelnut variety, which shows periodicity, gives regular and very high yields every year in good and well-kept garden conditions. Tombul hazelnuts have high internal efficiency and they like moist and humus soils with warm winters. Tombul hazelnut, which should receive 1000-2000 cubic meters of precipitation annually, is good in tight heavy soils and does not like dry, calcareous soils. The size and development of the sapling varies according to the climates of the seasons.

How to Grow for Tombul Hazelnut?

Tombul hazelnut sapling, one of the most important hazelnut varieties grown in our country, gives regular and very high yields every year under good and well-kept garden conditions. Tombul hazelnut seedlings, which are ripe, full of fruit and have regular shapes, like moist and humus soils, so they should be grown in wet soils instead of dry soils.

Tombul hazelnut, which has a high oil content, reduces its resistance to mechanical pressure and causes easy deterioration. Recommended planting intervals for plump hazelnut seedlings; The distance between the seedlings of the hazelnut seedlings is 2 meters and the row spacing is 4 meters.

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