When to Use Liangguoan Pesticide? A Detailed Guide to Application Timing

Liangguoan can be used during the disease prevention period and when disease breaks out. For diseases such as citrus canker, citrus yellowing disease, resin disease, sooty mold, citrus scab, and anthracnose, Liangguoan can be used at different stages for prevention and treatment.

I. Prevention Program

1. Spraying during the spring shoot sprouting stage

Program: Spray once with "Liangguoan" at 300 times dilution.

2. Spring shoot growth——early flowering stage

Program: Spray once with "Liangguoan" at 300 times dilution + "Wofengsu" at 600 times dilution.

3. Petal fall stage——young fruit stage

Program: Spray once with "Liangguoan" at 300 times dilution + "Wofengsu" at 600 times dilution

4. Summer shoot sprouting stage

Program: Spray once with "Liangguoan" at 300 times dilution

5. Fruit growth stage

Program: Spray 1-2 times with "Liangguoan" at 300-500 times dilution + "Wofengsu" at 600 times dilution.

6. Autumn shoot stage

Program: Spray once with "Liangguoan" at 300 times dilution.

7. After fruit harvest

Program: Spray the trunk, branches, and leaves with "Kuifuling" at 200-300 times dilution + "Wofengsu" at 600 times dilution.

II. Treatment Program

1. When symptoms first appear, spray with Liangguoan at 200-300 times dilution + garlic oil at 1000-1500 times dilution for 2-3 consecutive applications, with an interval of 5-7 days between each application; for bacterial diseases, apply for 2-3 consecutive days. Other chemical agents may be mixed in according to the actual condition.

2. For severe disease, weakened tree vigor, or yellowing, drench the roots with "Qingkulike" at 200-300 times dilution + "Genjibao" at 300 times dilution + "Wofengsu" at 600 times dilution 1-2 times, pouring into the fine root zone until thoroughly soaked.