What kind of disease does peach tree leaf have? What is the best and fastest medicine to hit
From the description, the disease is caused by the bacterial perforation disease of peach trees. The disease overflows from the diseased tissue before and after the flowering of peach trees, spreads by wind and rain or insects, and invades through the leaf stomata, branch bud scars and fruit lenticels. Generally appeared in May, July to August the onset of serious. The main damage to the leaves, mostly occurring near the leaf veins, the first watery spots, gradually expanding into a round or irregular, 2 mm in diameter, brown, reddish-brown spots, surrounded by a yellowish-green halo, and later the spots dry up, fall off to form perforations, leading to early defoliation in severe cases. Fruit damage, from the young fruit can show symptoms, with the growth of the fruit, the fruit surface appeared 1 mm size of the brown spots, the later spots become black-brown. When the spots are many, they are connected into a piece, and the fruit surface is cracked. From the beginning of the flower can be alternately sprayed 3% in the biotin 800 times liquid, agricultural streptomycin 800 times liquid. Want to grow the tree can also be sprayed with 100 times the solution of doxorubicin, can significantly reduce the perforation disease damage.