Black Lycium barbarum planting (stem rot)
With the arrival of the height of summer, farmers have also entered the war readiness ahead of time (the harvest season is coming). Some people are happy and others are worried.
The harvest brings joy and troubles, and the actual difficulty in front of them is the sale of black wolfberry; many growers in the first year do not have a smile on their faces, and many people call me to inquire: why did the living wolfberry suddenly die? Many of them sent pictures. I'll analyze the pictures for you.
1 this kind of disease mostly occurs in the blooming and fruiting season when alkaline water corrosion (old bark thickness) breaks out on seedlings in the same year, and the reason is that the nutrition is even lower.
2 as in the fourth picture above, where the root and stem come into contact, the bark rot leads to the loss of nutrient transmission, so the flowers and fruits fall! Its root is good (if there are no new branches in the later stage, photosynthesis can not be carried out, and the excess water in the root cannot evaporate, the root rot in the later stage)
3 look at the first picture, the trunk is seriously covered with earth and has no air permeability
4 look at the second and third pictures, only one branch dies and the twig is alive! In other words, the dry trunk can make the stem rot!
(5) the prevention method can remove the excess soil on the trunk of Chinese wolfberry and increase the air permeability.
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