The Latest Cultivation Techniques and Methods Tutorial for Ratooning Eggplant

Eggplant has the ability to regenerate from old plants. At present, this cultivation technique has become a new challenge in eggplant cultivation. Ratooning cultivation is a planting method that can increase yield. During the fruiting period of eggplant, renewal work can be carried out to keep the eggplant bearing fruit. This can save costs, manpower and material resources, so it is a very good cultivation method. However, there is not much experience with ratooning cultivation, so this method is introduced in detail below.

1. Pruning

In order to concentrate nutrients for fruit expansion, first keep one main branch and one side branch on each side of the first fruit, then remove all the other side branches, leaving two forks. After the second-layer fruit is set, keep the next pair of side branches and remove the rest. The retained forks then number four, also called the four-door cluster. Continue to keep another pair of side branches and remove the others. After that, pruning is no longer needed.

2. Branch cutting

After the old plants bloom, pinch off the tips, then apply fertilizer, about 30 jin of high-nitrogen fertilizer per mu. In July, when the eggplant market is at its peak, cut off the double-forked branches on the upper part of the plant, leaving only the base of the plant or the forks, then keep a few plump buds on each plant and remove the other buds.

3. Strengthen management

⟦NL>Pull out weeds, remove all kinds of dead branches and old leaves, and pay attention to preventing and controlling pests and diseases. Water in time to keep moisture, set up shade nets for shade, and combine watering with fertilization, mainly applying compost with high humus content. This can promote the growth of buds and roots. After the eggplant bears fruit again, apply about 60 jin of compound fertilizer per mu, and water once a week when it is bearing the most fruit. To extend growth, add 20 jin of potassium fertilizer and 30 jin of nitrogen fertilizer.

4. Pest and disease control

When gray mold occurs, use Bacillus subtilis per mu, 20 grams diluted 300 times for spraying. For Phytophthora blight, which mainly harms the fruit and causes sudden death of seedlings, and breaks out after rain with high temperatures, use 70% mancozeb · phosethyl-Al wettable powder at 500 times solution or 70% propineb wettable powder at 600 times solution. For sclerotinia rot, spray 50% iprodione wettable powder at 1500 times solution during the flowering period of the first and second-layer fruits. When red spider mite damage occurs, spray 20% acaricide emulsifiable concentrate at 1000 times solution to kill them.

In fact, ratooning cultivation of eggplant is the technique of ratooning old plants, and the main point is to extend the fruiting period of eggplant. It is extended by pruning and keeping forks to rejuvenate the plants and reduce the time needed for replanting, but ratooning cultivation techniques also require certain climatic conditions, and are generally carried out in greenhouses.