Verticillium wilt is a fungal vascular tissue disease(gallon plant pots wholesale). Today, I would like to share with you the causes and control techniques of dead seedlings and rotten roots of strawberry. In the early stage of planting, the reasons are: too high temperature, application of soil disinfectant or chemical fertilizer not fully mixed or excessive, application of immature organic fertilizer(flat plastic tray), too high soil salt, too deep planting and submergence of seedling center.
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The results showed that the application of soil disinfectant or chemical fertilizer was not well mixed or excessive, and the organic fertilizer was not mature(half gallon nursery pots wholesale). After planting, there were few new roots or no new roots, the heart leaves did not develop, the roots turned brown and rotted, and the whole plant died(gallon nursery pots). The main diseases causing the death of strawberry seedlings are Verticillium wilt, anthrax, which makes the stem turn to reddish brown.(cheap elfin thyme plug tray suppliers philippines)
At present, the symptoms of dead seedlings and rotten roots of strawberry are common, which greatly affects the yield and economic benefits of strawberry(cheapest 2 gallon pots). When the lower leaves of the diseased plant turn yellow brown in production, the roots have rotted into black brown(11.43cm square grow pots). Sometimes one side of the plant is ill and the other side is abnormal, showing "half withered" symptoms. Some of the diseased strawberry plants and the whole plant wilted and died.
The seedlings of Verticillium wilt show that the heart leaves turn yellow green or yellow curly(2 gallon plant container wholesale), narrow and boat shaped, the leaflets are asymmetric and hard, the surface is rough and lusterless, the leaf margin is yellow brown, the plants are poorly developed, the root system and petiole vascular bundle turn brown, and finally the whole plant dies(11.43cm square nursery pots). In the evening or cloudy days, they recover abnormally, and the diseased plant was easy to pull up.
(cheap elfin thyme plug tray suppliers philippines)Generally, the fruit can not be inflated abnormally, and the quality is poor(cheap 3 gallon plant pots). When stolons, petioles and leaves are infected, the first 1-2 unfolded leaves lose water and droop. With the aggravation of the disease, the whole plant will die. When the spots on stolons and petioles expanded into a ring, bacterial wilt and root rot, the parts above the spots wilted and died(nursery tray manufacturers). When the humidity was high, the red sarcoplasma spores could be seen.
The upper part of the ground changed from the edge of the base leaf to reddish brown, then gradually withered and died(4 gallon nursery pots wholesale). At last, anthrax is one of the most important diseases in strawberry seedling stage, which is caused by the infection of Sclerotinia. The disease mainly affects stolons, petioles, leaves, stipules, petals, calyx and fruits(1 gallon plastic nursery pots). It mostly occurs in high temperature and high humidity stolons at the stage of sprouting and seedling raising.
In recent years, the disease at the base of stolons after colonization forms dead seedlings(1 gallon plant pots supplier). However, when the root cap is cut lengthwise, it can be seen that the center of the root cap is brown, when the humidity is high, it can extrude milky white bacteria liquid, and when the root is seriously discolored and rotten(1.5 gallon nursery pots). The most obvious characteristic of the disease is that the pathogen invades from the top of the root and develops to the center of the root.(cheap elfin thyme plug tray suppliers philippines)