What does red willow use to spread its seeds?

Salix mandshurica is a good soil and water conservation tree species with straight and flexible branches and good wear resistance, which can be used for weaving. So how does the red willow spread its seeds?

1. How does the red willow spread its seeds

The red willow spreads its seeds by the wind. Red willow has strong toughness, can replace wood with strips, and replace bamboo with strips, as construction and packaging materials. Wicker bark contains salicylic acid, which can be used as medicine.

2. Control of diseases and insect pests of Salix mandshurica

1. Rust disease

Harm symptoms: the main harm to leaves, serious leaf shedding. It often happens before and after the Autumn Equinox.

Prevention and treatment: 250-350 times Bordeaux solution can be sprayed before onset, and 200 times sodium rust can be sprayed during the onset period, once every 15 days.

two。 Yellow gangrene

Harmful symptoms: the peak of the disease was before and after the Autumn Equinox, the light strips stopped growing, and the heavy ones withered and withered. The occurrence of this disease is often related to the untimely receipt in summer, and the receipt can prevent the disease.

Control method: spray 100 times Bordeaux liquid or sprinkle plant ash when the dew is not dry in the morning.

3. Willow gall mosquito

Harm symptom: willow gall mosquito is one of the most serious pests in the area. The main reason is that the larvae harm the tender shoots and form gall blisters at the shoots, which make the wicker stop growing and lead to the decentralization of the shoots, which seriously affects the yield and quality of the wicker.

Control method: ① spring 5-April 15 every year, the initial period of willow gall midge, with imidacloprid, 40% omethoate or 40% monocrotophos 1000 times solution spray. After spraying, the insect blister disappeared and the new shoots continued to grow, which would not affect the quality of the forest. ② eliminates the source of insects. After strips are cut down every year, the wicker should be transported out of the woodland in time to prevent its adults from migrating, and the branches of diseased insects should be burned.

4. Golden flower of willow orchid

Harmful symptoms: the insect mainly eats the tender shoots and leaves of wicker, causing wicker decapitation, death or hair power, and has a strong ability to fly.

Prevention and treatment: spray with 1000 times of 50% parathion EC or 80% dichlorvos EC.

The red willow produced in Europe has no wild distribution in China after a large number of specimens and the study of recent data abroad.