Occurrence and Control of Wheat Yellow Dwarf
Wheat dwarf disease is a viral disease that is mainly transmitted by aphids. The damage is quite serious in some years.
Symptoms When the seedlings are sick, the leaves turn green and yellow, and the plants are severely dwarfed. The leaves of diseased plants often cannot survive the winter, or they cannot joint after the winter. The dwarfing of the late susceptible plants was not obvious. The upper young leaves began to yellow from the tips of the leaves and gradually expanded downwards. The yellowish leaves were bright yellow, bright and shiny, and there were yellow stripes between veins. Only the flag leaf of the susceptible plants at the ear stage yellowed, and some plants showed purple leaves after induction.
Control method 1 selection of disease-resistant or disease-resistant varieties.
2 Remove weeds from the field and nearby.
3 Strengthen the cultivation and management of water and fertilizers, spraying Tianda 2116 and Tianda Yufeng can significantly increase the resistance of plants.
Symptoms When the seedlings are sick, the leaves turn green and yellow, and the plants are severely dwarfed. The leaves of diseased plants often cannot survive the winter, or they cannot joint after the winter. The dwarfing of the late susceptible plants was not obvious. The upper young leaves began to yellow from the tips of the leaves and gradually expanded downwards. The yellowish leaves were bright yellow, bright and shiny, and there were yellow stripes between veins. Only the flag leaf of the susceptible plants at the ear stage yellowed, and some plants showed purple leaves after induction.
Control method 1 selection of disease-resistant or disease-resistant varieties.
2 Remove weeds from the field and nearby.
3 Strengthen the cultivation and management of water and fertilizers, spraying Tianda 2116 and Tianda Yufeng can significantly increase the resistance of plants.
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