Control of powdery mildew of Robinia pseudoacacia
Methods to control powdery mildew of Robinia pseudoacacia:
First, clean up the dead branches and leaves in time and burn them centrally.
Second, spraying 2000 times of 10% Shigao granule or 1500 times of 25% Teflon wettable powder or 3500 times of Teflon wettable powder at the initial stage of the disease can have a good prevention and control effect.
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Planting method of Robinia pseudoacacia in Autumn and Winter
It is the best time to cut off and plant Robinia pseudoacacia in late autumn and early winter, which is characterized as follows: first, avoid the peak period of tree planting in spring and busy season, make full use of winter leisure, and the quality of planting time is fully guaranteed. Second, according to the physiological characteristics of Robinia pseudoacacia, the daily average temperature needed for root growth is relatively low, and the aboveground part stops growing after defoliation in autumn, while the underground part still grows for some time, and when the leaves fall, the mobile nutrients of the branches and leaves return to the trunk and root, when the root is rich in storage and nutrition, so that the root system has a growth stage. The third is to plant thorns
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Robinia pseudoacacia (woody vegetable)
It is a deciduous tree of Leguminosae, up to 10-20m. The bark is brown with longitudinal cracks. Leaves pinnately compound, leaflets 7-25, elliptic. Racemes axillary, inflorescence rachis and pedicels hairy; calyx tube lobed, with red markings; Corolla white, fragrant. English fruit flattened and long, mature and dehiscent; seeds 3-10. The flowering period is from May to June and the fruiting period is from August to September. Robinia pseudoacacia is widely distributed in China, especially in Liaoning, Hebei, Inner Mongolia, Ningxia and the Yangtze River Basin. It is a strong positive tree species with deep roots, strong sprouting ability, barren tolerance, and is characterized by fast growth.
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