Recently there have been grower consultations
Their own citrus leaves are severely defoliated
The fruit is slowly colored and the leaves are yellowed
There are pits, which are slowly connected into pieces like small rust dots
What's going on? Ask for a solution
In fact, this is a symptom of lipid macular disease
Recently, the weather has been hot and rainy
There are severe outbreaks of lipid spot macular disease everywhere
If it is not prevented early, the consequences are very serious
/01/
What is lipid spot macular disease
Lipid spot macular disease, also known as macular disease, lipid spot disease, occurs frequently in citrus and grapefruit, especially in the orchards that have been frost damaged, the age of the trees is high, and the weak trees have a serious disease, causing a large number of leaves to fall when they are affected, and the quality of the fruit is reduced.
/02/
Epidemiological pathogenesis
★ March to April: Spring temperatures rise, and rainy weather around the Qingming Dynasty is the first peak of infection (spring shoots) of the pathogen.
★ May to June: Warm and rainy, it is the second peak period of infection (summer shoots) of pathogens, and the peak period of spring disease.
★ June to July: An important period for invading young fruits.
★ From August to October: It is the third peak period of infection of the pathogen (autumn shoots) and the peak period of summer disease.
/03/
Lipid spot macular disease hazards
1. Pathogens invade from the stomata of leaves, resulting in yellowing of leaves and affecting photosynthesis;
2. In the later stage of the disease, it will cause a large number of leaves to fall from September, weaken the tree, and cause a large number of fruits to fall when it is serious;
3, the transmission speed is faster, in the humid and hot environment, if the single branch is found to be diseased after the spot is not treated in time, the new shoots of the whole tree will be infected after 15 days.
/04/
How to prevent it
Guangdong plant dragon for the treatment of citrus lipid spot macular disease, developed a new product, not only excellent treatment, but also does not hurt flowers and fruits, used growers are praised for it!
The plant dragon "Joyful Green" is not only right
Lipid spot macular disease has a good control effect
It can also prevent a variety of diseases