What pesticides are used to control common diseases of greenhouse grapes
Pesticide control measures for various diseases of greenhouse grapes: Control method for grape downy mildew: clean up the orchard, spray 5 degrees Baume lime sulfur mixture before bud break, spray once every half month starting from the young fruit stage, and spray 40% metalaxyl 800-1000 times dilution when the disease occurs. Control method for grape white rot: clean the orchard, starting from June every...
Pesticide control measures for various diseases of greenhouse grapes:
Control method for grape downy mildew: clean up the orchard, spray 5 degrees Baume lime sulfur mixture before bud break, spray once every half month starting from the young fruit stage, and spray 40% metalaxyl 800-1000 times dilution when the disease occurs.
Control method for grape white rot: clean the orchard, starting from June spray carbendazim 800-1000 times dilution every 10-15 days for prevention, and spray thiram 600-800 times dilution when the disease occurs.
Control method for grape black spot disease: clean up the orchard, spray 5 degrees Baume lime sulfur mixture before sprouting, and spray 50% tecloftalam 800-1000 times dilution when the disease occurs.
Control method for grape tiger longhorn beetle: cut off and burn infested branches, when insect holes are found a cotton ball soaked in undiluted dichlorvos can be inserted into the insect hole for fumigation, and during the adult egg-laying period spray 90% trichlorfon or 50% dichlorvos 500 times dilution.
Control method for grape short-bearded mite: clean the orchard in winter, scrape off old vine bark and burn it in early spring, spray 5 degrees Baume lime sulfur mixture before bud break, and spray 40% dimethoate 1000-1500 times dilution during the growing season.
Control method for grape clearwing moth: cut off and burn infested branches, when insect holes are found a cotton ball soaked in undiluted dichlorvos can be inserted into the insect hole for fumigation, and during the adult egg-laying period spray 90% trichlorfon or 50% dichlorvos 500 times dilution.