How to cut tomato seedlings

The soil was disinfected directly with a sterile substrate in a plug tray. Before the cuttings, the seedbed was soaked with the seedlings 1000 times liquid.

The length of collaterals suitable for cuttings is generally 8-12 cm, with 3 to 4 leaves, and the base is semi-lignified. The internodes are short and uniform, and the stems are thick and strong. The lateral branches under the first inflorescence are ideal, and the lateral branches in the upper inflorescence can also be used for cutting. The side branches should be cut with scissors or cut with a knife. Try not to use your hands. Immediately after the collateral was removed, the basal part was soaked with thiophanate-methyl 1000-fold solution 10 mg diluted with water for 1 kg to sterilize. Afterwards, the base of the collateral was immersed in 0.2% rooting powder solution to induce new roots.

Appropriate shading suitable shade can avoid high temperature and strong light. Immediately after the cutting, a small shed or shading in the pergola shall be erected. The daytime temperature is controlled between 25°C and 30°C, and the nighttime temperature is controlled at around 17°C. Cutting seedlings during the high temperature period, seedbeds lose water faster, it is necessary to watering. Be careful not to spray water directly against the seedbed. When the plants were found to be mildly wilting, fresh water should be sprayed in a timely manner; when wilting was severe, spray 2% urea and 2% potassium dihydrogen phosphate mixture twice.

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