How to use zinc sulfate to control little leaf disease of fruit trees?

Fruit trees are a kind of perennial root-plant. For fixed in one place through all its life, it’s always easy to lack nutrient elements, especially trace elements. Lobular disease is the typical symptoms of zinc deficiency, which zinc sulfate is the best solution for fruit tree lobular disease at this time.

Lobular disease symptoms: As apples, peaches, apricots, grapes, cherries, citrus and other fruit trees, once zinc deficiency occurs, internodes and branches shortened, top or rosette appears lobular clusters in the branches. Seriously, newly tips die from top to down, and sometimes leaves fall off early that form top blight and small fruit.

Prevention measures: 1, spray 1% - 3% zinc sulfate solution before bud in the early spring for deciduous fruit trees, 0.5% - 0.6% for evergreen fruit trees. Generally spray 2-3 times every 4 to 10 days; 2, or inject 5% the zinc sulfate solution in trunk; 3, Brush 3% zinc sulfate solution on branches 1 or 2 times annually.