2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Gardeners and florists have difficulties in growing seedlings - the plants stretch out. I offer 5 tips for eliminating the problem and an action plan for saving seedlings
The problem with pulling seedlings has negative consequences. The sprouts are weakened, thin, hardly tolerate the pick and transplant into the ground. The adaptation stage lasts longer, the danger of disease is great. All this affects the yield. Let's take a look at the main ways to grow stocky, healthy seedlings.
Method 1. Lighting
When planting crops in the winter months, in March, the relevance of the backlight is in the foreground. You can see how the seedlings, located on the windowsill, are drawn towards the light. They bend, stretch, weaken.
A prerequisite is to provide high-quality lighting for at least 14 hours a day. Especially important for early sowing. Above the seedlings, you need to install a diode strip illumination or buy a phytolamp. Create a reflective moment: cover the table / window sill with foil, set a sewn of white fabric or foil in front of the window.
Method 2. Sowing time
Plants with a long growing season fall into the risk zone for stretching. January, February crops need special attention. Before "sowing", study the characteristics of the variety, the recommended time to start growing and the time from germination to fruiting.
Consider your climate, the heating time of the soil and the possibility of landing in a permanent place. The manufacturer always indicates information on the packaging, for convenience, places a monthly scheme of work. For example, for tomatoes, the period from germination to fruiting is 100-110 days, and you plan to plant in a greenhouse on May 1 and get the first ovaries in early June - calculate the time and sow in early March.
Method 3. Pick
If the seedlings are kept in container conditions for more than 1, 5 months, dive. Plants are cramped, with growth they begin to compete for a place in the sun. No matter how hard we try with illumination, thickening deprives light and nutrition.
At the stage of 2-3 true leaves, the babies need to be seated in separate cups. Do not wait for the seedlings to stretch out, the picking process will become more difficult, the survival rate will decrease. In separate containers, the sprouts will not fight for life, the pulling speed will decrease.
Method 4. Temperature
An essential factor for getting stocky seedlings is temperature. The warmer it is in the room, the faster is the growth of the aboveground part. At the same time, the roots begin to lag behind in development, the proportions change for the worse. Plants become thin, elongated, pale.
It is easy to eliminate this effect. Make ventilation keeping the optimum values + 18… + 20. If you are constantly in this room and you are cold, put it on a glassed-in balcony or terrace if possible. Or ventilate more often. For cold-resistant species, do not be afraid to lower it to +12, for delicate and heat-loving species - to +21.
Method 5. Watering
Use irrigation water not lower than +20, use distilled water in cans, bottles. Excessive diligence with watering leads to stretching of the shoots, provokes the appearance of putrefactive problems. It is impossible to give clear instructions for watering. It depends on the size of the seedlings, the quality of the soil and its volume.
The surface of the ground should not be constantly wet. It is necessary to let the top layer dry out, but not to allow the container to dry completely - the roots may suffer and partially die. Make a thin dipstick out of a wooden stick and check the condition of the soil.
Seedling rescue action plan
If the problem with pulling stems and overgrowing is obvious, take action.
• Adjust watering, place container in a cool place, provide bright lighting.
• Sow thickened crops in cups, cassettes. If there is not enough soil, transplant into cups with a large volume.
• Organize additional lighting in the evenings.
• Use growth regulators. They slow down the growth of the aerial part, stimulate the growth of the root system. The most popular retardants are Krepen ', Athlete. They are safe for plants and do not affect physiological processes. They can be used to prevent pulling.
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