August contains the two solar terms of autumn and summer, at this time the summer is not gone, the weather is hot, but also the continuous peak of the pest and disease hazards, the maintenance task of this month is still heavy, the garden should pay full attention to the occurrence of diseases and insect pests, combined with the specific conditions of green space maintenance, targeted prevention and treatment!
【1】Trimming work:
1, the tree shrub routine pruning, the shape of the tree, hedges, balls for pruning, on the one hand, can ensure that its shape is perfect; on the other hand, it is conducive to ventilation and heat dissipation, reduce the occurrence of powdery mildew, leaf spot disease and other diseases.
2, the moon season, pearl plum and other parts of the flowers and shrubs should be properly pruned to ensure the lush autumn shoots.
3. Lawn pruning should follow the "principle of 1/3 of the amount of shearing".
【2】Moisture management:
1, water supply: this month's temperature is high, to make full use of the existing sprinkler irrigation, watering facilities, to ensure adequate supply of water, to avoid hedge flowers and shrub growth decline, make preparations for drought;
2, drainage and ventilation: in August, there is still a lot of rain, after the heavy rain, we should pay close attention to the drainage and dredging, water leakage and ventilation work in low-lying places.
【3】Weed removal after autumn:
In August, weeds of various types of green areas are still heavily growing, and most of the weeds are in the flowering and seeding period, and the weeding work cannot be relaxed. The use of herbicides, can not be eradicated, but can inhibit its flowering and seeding, reduce the seed falling into the soil, reduce the amount of weed germination in the coming year, the lawn of the sedge family can use the Qilin appendage to dig roots, broad-leaved weeds can use the Qilin round elimination, Yongqi for prevention; grass weeds, grasses cold season lawn into the ping use Qilin Wei hoe, warm season lawn can use Qilin fist hoe for prevention.
【4】August Pest Warning:
1. Early warning of disease in August:
(1) Pay attention to leaf diseases: from mid-to-late August to September, the incidence of plant leaf spot disease is serious, often with the expansion of the disease spots, the phenomenon of leaf fall occurs; the black spot disease of the monthly season is also serious, so that the flowering of the moon and rose autumn is devastating, and the spray control can be sprayed in time to use the Qilin Kejun + old language; in addition, at this time, the harm of rust and powdery mildew enters a small peak, and attention is paid to the timely use of Qilin Tianjun spray for prevention and control.
(2) Pay attention to poplar, begonia and national locust rot disease: the disease is a latent invasive disease, is a common fungal disease, with sudden, multiple and devastating characteristics, it mainly occurs on the trunk branches, manifested as dry rot and branch withering two types, when the disease occurs, timely use of Qi Lin Shixun spray or smear for effective treatment.
(3) Lawn diseases still occur: common such as rot mold blight, brown spot disease, lawn rust, etc., it is recommended to use Qilin Shiminda, grass spot Qing, Tian Jun and other timely treatment.
Pest warning in February and August:
(1) This month, special attention is paid to the overlapping generations of the American white moth in the leaf-eating pests, the Yang Fanzhou moth, the thorn moth, the large moth, the lawn twill moth, the three generations of locust inchworm, the boxwood silk borer and other large occurrences, once the pest is found, take measures immediately (recommended Qilin Royal Moth, Guangzheng, etc.) to kill.
(2) Drill borer pests mainly include small-lined wood beetle moths and light-shouldered star tianniu hatching larvae, groove orbital elephants and other persistent hazards, it is recommended that QiLin Cheng attack package external spraying and internal killing, efficient prevention and control.
(3) Prickly suction pests pay attention to the hazards of wood lice, leafhoppers, net bugs, etc., and use Qilin Guangzheng spraying to control, in addition, at this time, we also need to pay attention to the harm and prevention of Japanese turtle wax bugs and prevention (such as Qilin Qi logging).
【5】Other custodial work:
1, the shade network of new green space (road) evergreen trees and large-sized trees should not be removed for the time being, and the "three strong" climate in August (strong radiation, strong light, strong transpiration) is still more obvious.
2. Clean up the debris in the green space in time and do a good job in appearance management.