Diseases and pests of kudzu flower and their control methods

Diseases and prevention methods of kudzu flower

Damping-off disease, anthracnose

When the disease first appears, you can use 500 times diluted 50% carbendazim wettable powder, 500 times diluted 70% mancozeb wettable powder, or 800 times diluted 75% thiophanate-methyl wettable powder for spraying for prevention and control, once every 7 to 10 days, and spray 2 to 3 times in a row.

Frost poisoning, leaf blight

Use 600-800 times dilution of metalaxyl or leaf blight for prevention and control.

Kudzu Root Rust

In the early stage of the disease, you can use 1:1200 Bordeaux mixture, or 1000 times diluted 70% mancozeb wettable powder plus 100 times diluted 15% paroxysmal wettable powder for spraying. Spray once a day, 2 to 3 times in a row.

Pests of Kudzu Flower and Their Control Methods

Scarab

Spray the leaves with 1000 times diluted 90% crystal dichlorvos in May and June.

Grub

During the peak period of adult insects, one 40-watt black light lamp is set up for every 50 acres, 30 cm from the ground, and the light is turned on in the evening to lure and kill the insects.

Or mix the seeds with 40% chlorpyrifos emulsifiable concentrate, chlorpyrifos: water: seeds = 1: 50: 600.

In serious areas, 1000 times diluted 50% chlorpyrifos emulsifiable concentrate or 1000 times diluted 25% chlorpyrifos emulsifiable concentrate can be used for root irrigation to kill the larvae, with 150-250 grams per plant.

Leaf moth

Use 1000-2000 times diluted Marathon 50% emulsifiable concentrate, or 1000-2000 times diluted Fenpyrot 50% emulsifiable concentrate.

Or spray with 1000-2000 times diluted 20% chlorfenapyr emulsifiable concentrate.

Clam

Use black light to artificially lure and kill, or mix seeds with seed dressing agent or 80% phoxim emulsifiable concentrate at 0.2% of the seed amount before sowing.

Cutworm

Use 20% cypermethrin emulsifiable concentrate, or 3000 times diluted 2.5% cypermethrin vinegar emulsifiable concentrate, or 800 times diluted 90% crystalline trichlorfon or 50% phoxim emulsifiable concentrate to spray the seedlings.