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loulac · August 1, 2015

I’m quite impressed by Joseph’s research. His latest post reminds me of Andrei, an active member of Tomatoville. I copied and pasted some of his posts about cold resisting tomatoes, unfortunately without the address of the page. Here are some excerpts. Some of these varieties may be described and sold by Tatiana. We all wish we could help Joseph but I’m aware he knows lots of things that I don’t and that I may be of no help t all !

Andrei wrote :
“Actually there are a plenty Russian amateur and commercial tomato varieties to survive at -7C (19,4F) and even lower at -14C (7F). The most popular (in Russia) extreme cold tolerant amateur tomato varieties were bred by Saraev P. from Russian town Orenburg: Stepnyak, О-33, I-3 or Iyunskiy-3, Gruntovyi, Limonchik, Sibiryak, Orenburzhets, Kemerovets, Spiridonovskiy etc. I've tried Spiridonovskiy, Kemerovets and I-3. They were really cold tolerant at least at about 0C.

Most hardy varieties
Spiridonovskaya. Undersized, standard, precocious. The fruits are small, up to 60 g, red, suitable for canning. From germination to early maturation under favorable conditions, is 80-90 days. Resistance to low temperatures was confirmed by the Institute of Biology, Karelian Branch of the RAS. When tested in young seedlings survived four frozen to -14 °C.

Orenburzhets. Undersized, standard. Red fruits, weighing 80-100 g, good taste, universal purpose. Endured three consecutive freeze: -5 °, -7 °, -10 °C.

Kemerovets. Undersized. Pink fruits weighing up to 100 g, high commodity and taste, universal purpose. Withstood freezing -7 °, -10 °, -13 °.

0-33. Srednerosloe. The fruits are large, up to 200 g, flat-round, red. Beginning maturity - Mid-July, the yield per bush - more than 6 kg. When tested survived two freezing and one -9 ° -7 °.

Stepniak 50. Srednerosloe. Red fruits, weighing 30-50 g, rounded, smooth, multi-purpose. Is resistant to temperature variations. Went through five freezing to -10 °C.

I-3. Average height, very early, in good years the fruits ripen in late June. High-yielding. Fruits are flat-round, red, weighing 100-200 g when tested went through five frost from -6 ° to -11 C

Siberian. Srednerosloe. Fruits are flat-round, red, large, fleshy, high taste. Variety is very crop. When tested withstood seven frozen to -10 °C.

Lemon. Tall, late-maturing. The fruit shape and color to its name, weighing 70-80 g, hang huge brushes, very harvest. The fruits are fleshy, well-kept, suitable for canning. Through three freeze to -10 °C.

M-16. Tall, late-maturing. Fruits are very beautiful shape, good presentation. Weighing 200-300 g, fleshy, good taste, well kept. Tests: one frost -3 °, two - on -10 °C.

However, speaking of Sarajevo resistance varieties to frost, you should know that this is only possible at low humidity (dry air) and windless weather. For a long time scientists advised growers evening and night watering as effective against frost but this is false. Wet surface gives four times more heat than dry.”

August 1, 2015	#39
loulac Tomatovillian™ Join Date: Feb 2013 Location: France Posts: 554	I’m quite impressed by Joseph’s research. His latest post reminds me of Andrei, an active member of Tomatoville. I copied and pasted some of his posts about cold resisting tomatoes, unfortunately without the address of the page. Here are some excerpts. Some of these varieties may be described and sold by Tatiana. We all wish we could help Joseph but I’m aware he knows lots of things that I don’t and that I may be of no help t all ! Andrei wrote : “Actually there are a plenty Russian amateur and commercial tomato varieties to survive at -7C (19,4F) and even lower at -14C (7F). The most popular (in Russia) extreme cold tolerant amateur tomato varieties were bred by Saraev P. from Russian town Orenburg: Stepnyak, О-33, I-3 or Iyunskiy-3, Gruntovyi, Limonchik, Sibiryak, Orenburzhets, Kemerovets, Spiridonovskiy etc. I've tried Spiridonovskiy, Kemerovets and I-3. They were really cold tolerant at least at about 0C. Most hardy varieties Spiridonovskaya. Undersized, standard, precocious. The fruits are small, up to 60 g, red, suitable for canning. From germination to early maturation under favorable conditions, is 80-90 days. Resistance to low temperatures was confirmed by the Institute of Biology, Karelian Branch of the RAS. When tested in young seedlings survived four frozen to -14 °C. Orenburzhets. Undersized, standard. Red fruits, weighing 80-100 g, good taste, universal purpose. Endured three consecutive freeze: -5 °, -7 °, -10 °C. Kemerovets. Undersized. Pink fruits weighing up to 100 g, high commodity and taste, universal purpose. Withstood freezing -7 °, -10 °, -13 °. 0-33. Srednerosloe. The fruits are large, up to 200 g, flat-round, red. Beginning maturity - Mid-July, the yield per bush - more than 6 kg. When tested survived two freezing and one -9 ° -7 °. Stepniak 50. Srednerosloe. Red fruits, weighing 30-50 g, rounded, smooth, multi-purpose. Is resistant to temperature variations. Went through five freezing to -10 °C. I-3. Average height, very early, in good years the fruits ripen in late June. High-yielding. Fruits are flat-round, red, weighing 100-200 g when tested went through five frost from -6 ° to -11 C Siberian. Srednerosloe. Fruits are flat-round, red, large, fleshy, high taste. Variety is very crop. When tested withstood seven frozen to -10 °C. Lemon. Tall, late-maturing. The fruit shape and color to its name, weighing 70-80 g, hang huge brushes, very harvest. The fruits are fleshy, well-kept, suitable for canning. Through three freeze to -10 °C. M-16. Tall, late-maturing. Fruits are very beautiful shape, good presentation. Weighing 200-300 g, fleshy, good taste, well kept. Tests: one frost -3 °, two - on -10 °C. However, speaking of Sarajevo resistance varieties to frost, you should know that this is only possible at low humidity (dry air) and windless weather. For a long time scientists advised growers evening and night watering as effective against frost but this is false. Wet surface gives four times more heat than dry.”