Methods to prevent the withering and necrosis of gardenia flower buds
Today's topic is about preventing the withering and necrosis of gardenia flower buds. Let's dive into the details together.
The withering and necrosis of flower buds are related to the over-dry or over-wet (or watering after becoming too dry) potting soil, dry air, stuffy environment, and the application of excessive concentrated fertilizer. When the ventilation and light around the potted gardenia are poor, it is highly susceptible to mealybug infestation, which can lead to poor plant growth and accelerate the withering and necrosis of the flower buds.
Upon discovering withering, you can knock the plant out of the pot, remove all the flower buds, check the roots. If there are not too many dead fine roots, you can change to a loose, fertile, and well-draining acidic potting soil. If there are many brown and dead roots, you should cut off the dead roots, trim some fine branches, and plant them back into the pot.
Meanwhile, use a damp cloth or a fine brush to remove the white waxy residue and black sooty layer from the branches and leaves, and place them in a well-ventilated, semi-shaded, cool place. The white waxy residue helps maintain the moisture of the potting soil without over-watering, and frequently spray water. Regularly check the back of the leaves, remove any pests found promptly, and spray 25% acetamiprid wettable powder 2000 times solution once every two weeks, for two consecutive times. Alternatively, use a 10% imidacloprid wettable powder 2000 times solution to spray the leaves once every two weeks, for two to three consecutive times. These are the methods to prevent the withering and necrosis of gardenia flower buds.
The above is a comprehensive explanation of the methods to prevent the withering and necrosis of gardenia flower buds, hoping it can help you.