Malic anthrax leaf blight, once erupt, the loss is severe, precaution is the most crucial!

Temperature one tall, water comes, the disease of this apple, also wanted to come immediately, covered fruit bag, applied fertilizer, what to do next? Nature is to take strict precautions against defend to the last it, malic anthrax leaf blight.

Anthrax leaf blight of the apple, basically be to be aimed at a few in ripe breed, in glue east on the peninsula, contract this disease more easily, besides, wait for breed like Jin Guan, Jin Shuai, Qiaonajin, affect anthrax leaf blight easily also, and the Fuji that we cultivate, general waits, not be the frequenter of its patronage.

The outbreak of anthrax leaf blight, begin from blade the reverse side, the stoma from foliaceous back begins to invade catch, like beginning blade to just resemble been iron by boiled water, catch the stain that a lot of black can appear on blade, come on speed is splitting, advocate the time that needs 3~4 day, blade is met withered, then the bacteria turns to fructification, first when the bit that forms a few Brown, black, periphery has gules haloing, later period area expands, cover whole fruit range.

The reason that malic anthrax leaf blight erupts, most fundamental is high temperature tall wet, in spring when, climate is dry rain is little also, invade catch a disease not easily to kill, once arrived summer, the bacteria began to erupt, now glue east many areas of the peninsula, had appeared the trace of anthrax leaf blight.

Anthrax leaf blight comes on fast, come on urgent, so precaution should be made from beginning of spring, when spring hits dry branch, if be planted in the home tree, need gush bluestone 100 times fluid, prevent and cure as initial stage;

The apple is covered after bag, bordeaux mixture is drug of main prevention and cure, if a mu of orchard can cover 20 thousand bag, the dosage of the first Bordeaux mixture, cannot little at 600 jins, and gush plays foliaceous the reverse side, the action period of Bordeaux mixture is controlled in 15~20 day about, antiseptic fills with respect to need among, the drug such as bright amine of the ester of bacterium of aether of Zun resembling Bi, much element that fight mildew, Mi can choose; After 7~10 day, again gush makes Bordeaux mixture, taking the advantage of gush of a kind of green tea to hit best, can prevent not only so, still can have the effect that effect a radical cure.

How should if had the orchard erupted,anthrax leaf blight do? The method that we use likely now is the times fluid of 300~400 of the much element that fight mildew of 3% + ester of bacterium of Bi Zun aether 1000 times fluid, want even ground gush to play blade the reverse side only, basically can get in case.

Say so, discover the friend of anthrax leaf blight now, must not hesitate, make the best of time quickly gush medicine, careful principal is not had return!