Healthy and robust seedlings are not a guarantee of a good tomato harvest. Despite their impeccable appearance, seedlings may not give ovary.
Reasons for the absence of ovaries in the greenhouse
The main criterion for obtaining a healthy crop is maintaining a comfortable temperature regime in the greenhouse.
Temperature requirements:
- night - 13-21 ° С;
- day - up to 28 ° C.
A sharp temperature drop, as well as a strong deviation from the recommended regime, can lead to falling flowers and the absence of fruit ovary. It is especially important to maintain the climate at night. With a strong decrease in the degree, I recommend using heating elements.
Air humidity in the greenhouse is an important factor. Tomato ovary is possible at rates from 40% to 70%.
It is impossible to overdo it with top dressing, therefore, you need to apply the first fertilizers no earlier than 10-14 days after transplanting the seedlings.
Compliance with the above conditions will not provide you with fruits if your tomatoes are not pollinated. Under natural conditions, this process takes place without assistance; in the greenhouse, the flowers should be shaken or a fan should be used.
Reasons for the absence of an ovary in the open field
In the open field, it is much more difficult to comply with the temperature regime. I'll tell you how to do it.
To lower the temperature:
- water more often;
- mulch the soil;
- stretch the shading mesh.
In case of a cold snap, I recommend using arcs with stretched agrofibre. Tall plants should be watered with warm water at night.
The ideal moisture content for ovaries is 60%.
To control humidity in rainy weather, you need to:
- pinch regularly;
- loosen the ground;
- water regularly;
- use a canopy.
I cover tall bushes with burlap, each one individually.
It is necessary to monitor the level of sunlight on the flowers. To do this, I regularly tear off extra sheets.
Top dressing
One of the most common options is root dressing.
The most effective method is to spray the leaves and stems with fertilizers. So tomatoes quickly absorb nutrients.
Preparations for the ovary
Fertilizers for ovaries can be made independently from individual components or you can use ready-made preparations.
Boric acid
The introduction of boric acid reduces the risk of late blight disease, and also promotes the formation of ovaries. Processing is carried out immediately after the appearance of flowers, and then when all the seedlings gain color.
For processing, a solution of 10 g of boric acid and 10 liters of water is sufficient.
Stimulants
You can increase the intensity of flowering by treating with a solution of 2 g of stimulants and 1.5 liters of water. If it is necessary to increase the yield, increase the dose of stimulants to 2 g and dilute them in a liter of water.
Vitalizers
Vitalizers are natural fertilizers made from plantain, cypress, cedar and pine sap. The solution is effective in loosening ovaries.
Gibberellic acid
A product that will increase the yield. It is necessary to make a concentrate from 1 g of the substance and 100 ml of alcohol. When using, dilute with water (50 ml per 10 l).
Potassium and phosphorus
The substances not only provide the ovary, but also form the immunity of tomatoes. Must be used in early July, then monthly.
Folk remedies
For the manufacture of fertilizers, it is necessary to dissolve 10 ml of iodine, 10 g of boric acid, 1.5 liters of ash in 10 liters of warm water.
Time
The most favorable time is early morning or evening.
Plants will form an ovary with the right microclimate, moisture and fertilization.
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