Control methods of leek blight
Mix seeds with 0.3% seed volume of 25% pyrethromycete, use 64% poison alum 600 times solution, 69% Anke manganese zinc 600-800 times solution, 50% prohydantoin 500 times solution, 77% kill 600-700 times solution, use alternately, once every 5 to 7 days, prevent and cure 2 to 3 times.
- Prev
Safety management of leek in greenhouse and prevention of epidemic disease
Harmful symptoms: mainly damage pseudostems and bulbs, leaves, roots, bolts can also be damaged. Most of the injured leaf disease spots began to occur from the lower part, and initially produced dark green watery spots, and then extended to about 1 / 2 of the leaf, the whole leaf turned yellow, sagging and soft rot. When damp, the disease part produces gray-white mildew. The false stem is damaged.
- Next
Characteristics of fertilizer requirement and key points of fertilization techniques for leek
In order to prevent maggots and other underground pests, 5% phoxim granules are sprinkled before sowing, with a dosage of 2 to 3 kg per mu, and in addition to prevent grass famine. 33% herbicide EC 100 to 150 ml or 48% Dile gum EC 150 to 200 ml is sprayed per mu, and then hug again to sow seeds and raise seedlings.
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