Tomatoes will not overheat: simple measures
In hot weather, there is a high risk of overheating planted tomatoes. Although the plant is very heat-loving, off-scale thermometer harm. Tomatoes wither and slow its growth. I'll tell you how to protect your plants and save them from overheating in the hot days of summer.
A bit of botanical reference
tomatoes need warmth for successful growth. The optimum temperature for growing crops - 25 ° C during the day and about 18 ° C at night. But often, especially in the greenhouse and in the southern regions, these figures are much higher. Yes, and the middle zone of Russia the heat - not a rarity. It is very harmful to tomatoes:
- When the temperature kept in the range 30-35 ° C, the first signs of depression landings. The leaves lose their bright coloring of tomatoes, they may fall off as the ovaries and fruits.
- During prolonged heat, the leaves become limp and twisted.
- Peel the tomatoes burst.
- On the surface of leaves and fruits appear yellow spots.
- When the temperature rises to 38-43 ° C leaves fall down and the plant begins to die very slowly.
In the heat of the tomatoes are spending all their forces on the breath. They do not remain on the growth, the formation of ovaries and ripening. Now, how to avoid it all!
We take care of the tomatoes in the heat
To save the plants that they do not hurt the crop, using agronomic techniques:
- Reduce the air temperature in the greenhouse can use the draft. Air flows cooled tomato leaves.
- It is very important to help the plants to "breathe". To do this, you need to ensure a flow of carbon dioxide. For example, to put a bucket of manure solution. It will rot and give off carbon dioxide.
- In the heat increase the amount of irrigation water (2 liters of young plants grown 5).
- At lunchtime, when the sun is at its zenith, pritenyayut tomatoes.
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