Common diseases and prevention and cure of Pachira
Pachira palmate leaves, 7-11 leaflets, oblong to obovoid. There are horticultural species Mosaic Pachira. Because the name of Pachira was welcomed by businessmen and the general public, Jia Lizhu has a beautiful shape, bright green leaves, and a hammer-shaped trunk. It is suitable for home interior decoration and landscaping. Therefore, in recent years, the flowers in our country The market is developing very fast. During festivals, hotels, restaurants, businesses, and citizens are eager to purchase, in order to achieve good luck.
In its growing season, the Pachira catalpai is susceptible to red spider and scale insect damage if it is not well ventilated. Found that insect pests should be promptly caught or sprayed.
The common diseases of Pachira are root rot and leaf blight.
First, the root (stem) rot This is a serious harm to the common diseases of the money tree, also known as rot disease. Control methods:
(1) Keep the cultivation environment dry, and pay attention to the disinfection of the cultivation medium and the site;
(2) After the semi-finished product is unloaded from the cabinet to the operation shed, the head of the cash tree is sprayed with quick-drying to prevent the damage of the botrytis cinerea;
(3) Before the planting, use a knife to cut off the sprain and rot tissue on the top of the main root, then spray the wound with quick keratin, and then plant it after drying;
(4) After one week of planting, the medium in the pot dries, the healing tissue has formed, and new roots have begun to grow. Use Prusik, Ank or Zinc Manganese to exterminate Dale (Ledomir-Manganese Zinc) to spray Pachira striata It is advisable to use potting liquid to flow into the basin along the stem. Afterwards, the fungicide is used once weekly in Ank, Drebacil, Redmil, or Epimedium;
(5) If P. pyogenes is active, it is sprayed with Precore, Cerbendrol, Radiummilk, or Epimedium. The general efficacy is about two weeks. If the weather is still not good, it must be sprayed with different agents to prevent drug resistance. If any festered plants are found during the period, they should be discarded immediately.
Second, leaf blight control methods:
(1) The diseased leaves were found to be removed in time and destroyed;
(2) In the cultivation process of Pachira cinerea, conservation and management should be strengthened, timely watering and fertilizing, and fertilization can be applied 2-3 times in each growing season, such as 0.5% potassium dihydrogen phosphate or double-effect micro-fertilizer. 200 times liquid;
(3) Before the seedlings are transported from the south to the north, spray the protective fungicide on the foliar, such as 70% chlorothalonil 800 times, or 18% multibacterial copper powder 200 times, or 50% tetrobacter 600 times Liquids, after being transported to the north, should be planted in time to enhance fertilizer and water management and prevent dehydration and de-fertilization. The southern region can be cultivated from the rainy season, spraying 50% carbendazim 800 times every 10-15 days, or 70% chlorothalonil 800 times, and 75% thiophanate-methyl 1500 times. In addition, insect pests are mainly sugarcane moth, which is a new record in China, mainly larvae harm Pachira, but also on the Poinsettia, Photinia, Schefflera.
Fortunately, many people come from a certain name. When planting a good money tree, we must also pay attention to its disease prevention and control. In compliance with the above disease prevention and control measures, it can effectively prevent the growth of the money tree against the virus.
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