Citrus Pest Management Measures

(1) Clean up the Huanglong disease strain in time. The whole garden is sprayed with general tree to disinfect and sterilize, reducing the source of disease and insects.

(2) The main diseases and pests that are harmful to citrus during the bud and young fruit period are:

1 Flower buds: When the flower buds begin to turn green, the emergence of the adult does not occur 5 to 7 days before the emergence, and then 1.25 kg of diazinon and 15 kg of fine soil are uniformly mixed in the tree tray and the ground 50 cm around the tree plate. To prevent adult emergence; can also be used 90% trichlorfon 800 times, 2.5% of deltamethrin 2500 times the tree crown spraying, killing unearthed adults; at the same time timely removal of the damaged buds.

2 Whitefly: In mid-April, pay attention to the change of the pests. In the first generation after the emergence of the mating, the drug should be used in a timely manner. It should be used twice in a row and once every 7 days. Drugs can be used 10% great meritorious 2000 times, 25% puropron 1000 times.

3 anthrax, scab disease: in the spring shoot 1 ~ 2 cm, Xie spend 2/3 when the spray of a drug to protect the spring shoots and young fruit, available 0.3% ~ 0.5% Bordeaux mixture, 50% thiophanate WP 600 ~800 times liquid. 4 pay attention to the prevention and treatment of citrus spider mites, to prevent the occurrence of pests. In the prevention and control of pharmaceuticals, an appropriate amount of new high fat film must be added to improve the efficacy.

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