Causes of Spinach Seedling Death and Its Control Methods

Spinach is rich in nutrition, as well as the efficacy of hemostasis and nourishing blood. Regular consumption can also enhance human resistance and promote growth and development. It is precisely because of its benefits that it is more common on our dinner table. But what is most afraid of when planting is the problem of dead seedlings, once the occurrence of dead seedlings is very likely to cause no harvest, then what is the cause of spinach dead seedlings? Let's take a look at the detailed introduction.

First, the cause of seedling death

1. Fusarium wilt

Fusarium wilt will cause the phenomenon of dead trees, the infected planting will appear the phenomenon of dark and dull leaves, yellowing of mesophyll tissue, brown and withered roots. When the disease occurs, the plants grow poorly and dwarfy. in the hot and humid environment in summer, the diseased plants will quickly wither, yellow leaves and die.

2. Heart rot

Heart rot mainly harms the base of the stem and heart leaves of the plant, and it is easy to die after the disease. after the seedlings are unearthed, the base of the stem will turn brown, constriction, sudden death, rot and other symptoms, resulting in death.

3. Blight

Spinach seedlings to adult plants will be harmed by the disease, after the occurrence of the disease is very easy to die, after the seedlings are unearthed, infected by Rhizoctonia solani, the first leaf wilt, the disease continues to develop, the plant will begin to rot from the root system, until lodging and death. After the seedlings were infected, the lower leaves began to turn yellow until the main root turned black and rotted, wrinkled and withered to death.

4. Rain Water irrigated

In summer spinach management, do not let Rain Water irrigate, once there is a Rain Water watering phenomenon, it is very easy to cause dead plants, so in the management must pay attention to rain protection measures, do not let Rain Water irrigate plants.

II. Prevention and control methods

The chemical coating of seeds during sowing and sowing after seed dressing with chemicals can prevent most of the diseases, and the occurrence of Fusarium wilt can be controlled by root irrigation with chlorobromoisocyanuric acid, heart rot can be controlled by amiceda or iso-urea, and the occurrence of blight can be controlled by root irrigation with methyl fusarium. If individual plants occur, the diseased plants should be removed in time, and the disease points should be disinfected and sterilized, so as to prevent germs from spreading through the soil.

The above is the introduction of the causes and control methods of spinach seedling death, hope to help you, want to know more related knowledge, please pay attention to us.