1.Wheat mites
Symptoms：Adults and nymphs suck the sap of wheat leaves, small white spots appear on the damaged leaves, the later wheat leaves turn yellow, the wheat plants are poorly fertile, the plants are short, and the whole plants are severely withered.Damages wheat plants by destroying plant cells as it feeds, causing a stippling of the leaves. Brown wheat mites have a tendency to feed on the tips of the leaves, causing them to dry out and die. Heavily infested fields present a scorched, withered appearance.
Recommended products：
Pyridaben 15% EC
Spirodiclofen 240 g/L SC
2.Aphids
Symptoms：It can damage wheat by piercing and sucking, affecting wheat photosynthesis and nutrient absorption and conduction. After wheat heading, the damage is concentrated in the ears, forming skew grains, which reduces the thousand-grain weight and reduces the yield.Feeding by aphids may cause two types of damage: 1) Plants may be damaged by aphids feeding on the plant and 2) damage may result from the aphids moving a plant virus, primarily Barley Yellow Dwarf Virus, into the plants.Feeding by aphids may cause two types of damage: 1) Plants may be damaged by aphids feeding on the plant and 2) damage may result from the aphids moving a plant virus, primarily Barley Yellow Dwarf Virus, into the plants.
Recommended products：
Acetamiprid 20% SP
Abamectin1.8% + Acetamiprid 3% EC
Thiamethoxam 12.6% + Lambda-cyhalothrin 9.4% SC
3.Powdery mildew
Symptoms：Powdery mildew is characterized by a powdery white to gray fungal growth on leaves, stems and heads. As the plant matures, the white powdery growth changes to agrey-brown color. The leaf tissue on the opposite side of the leaf from the white mold growth becomes yellow, later turning tan or brown.
Recommended products：
Pyraclostrobin 25% SC
Difenoconazole 25% EC
Tebuconazole 20% + Pyraclostrobin 10% SC
Post time: May-10-2021