Causes and prevention methods of aerial rooting in vegetables
Why is the phenomenon of adventitious roots (gas roots) in vegetable plants? In fact, the root system of the plant is poorly developed. In order to self-regulate and absorb more nutrients, a large number of adventitious roots are produced. Therefore, vegetables produce a large number of adventitious roots, not the disease of the leaves, but a systemic hazard. As the saying goes: raise vegetables, first raise the roots. The robust and developed root system is an important foundation for the healthy growth and high yield of greenhouse vegetables! From the color of the roots of the plants, the white roots are strong, the yellow roots are life-saving, the black roots are sick, and the ash is dead. When the greenhouse vegetables produce a lot of vigorous white roots, the general vegetable farmers will be happy: the vegetable seedlings are very healthy, and the future growth must be very strong, and the output will not be worse in the future! But sometimes, vegetables produce a lot of white roots, vegetables may not have a good yield, because this is due to the lack of position in the field management of vegetables, a kind of "sickness" - gas roots, you must pay close attention! For example, Li Da Ge, who grows cucumbers and tomatoes in greenhouses, has recently been rushed by a cluster of white roots (gas roots) that have been grown by vegetables. "What can I do?" At the beginning, Big Brother thought that these luxuriant white roots were sprayed with many drugs for prevention and treatment because the seedlings were infected with ulcer disease. But after a while, the "sickness" of these vegetables has not improved, and the condition has aggravated - the more white roots live! The medicine was not used sparingly, and the "illness" was not cured. It not only used money but also delayed the best time for prevention. The so-called aerial roots are the hair roots that are exposed to the air in the crops. These are grown on plant plants and are not in contact with the soil. What are the reasons for the emergence of aerial roots in vegetables: 1 high temperature and high humidity environment; 2 rooting agent, naphthalene acetic acid used in excess; 3 seedlings have excess nutrients in the body; 4 The roots of the seedlings suffer from damage or phytotoxicity such as stem rot and root rot; cause an important cause of aerial rooting, and further induce damage such as bacterial wilt, late blight and root damage. After the emergence of aerial roots, the supply of nutrients to the upper end of the vegetables will be affected, resulting in insufficient nutrition of vegetables, which will affect normal growth, development, and fruit-hanging. It is also very easy to cause other diseases in vegetables, which will have great quality and yield in the later stage. influences. Therefore, the majority of vegetable farmers must strengthen the scientific management of greenhouse vegetables, rational use of fertilizer, medication, to avoid the emergence of vegetable gas roots.
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