Propagation method of oleander
Mainly to cuttage, striping can also be done.
1. Cuttings were cut in Shangdian from late March to April every year. Strong 1-2-year-old branches were selected as cuttings, cut into segments of 15 cm long, immersed in 20 ℃ of water, and the depth of water was 1 × 3 of the length of cuttings. Change the water once a day. Seven days later, when the water wound turned white, it was taken out and inserted into the cuttings, and it was covered and moisturized, and it could take root in about 1 month. Or water insert from June to July. After taking root in January, it moved into the soil.
2. the striping is carried out in the rainy season and can take root after February.
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Oleander has an ingenious way to control rose powdery mildew
In spring, rose is easy to suffer from powdery mildew, and a layer of powdery mildew appears on the leaf surface after the disease, which seriously affects the normal growth and development of the plant. Oleander has a good effect on the control of rose powdery mildew. The specific methods are: 1. Mash the fresh leaves of oleander, soak them in clear water for 2 days to prevent fermentation or deterioration, then filter the broken leaves with gauze and spray the remaining water on the diseased part of rose for 3 consecutive days, the effect is better. Diseased branches and leaves can also be directly soaked in oleander leaves.
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Harm of oleander to goldfish
Oleander alias willow leaf peach, belongs to oleander genus, oleander family. It has been introduced in our country for a long time, and it has been cultivated all over the country. it is a common flower in the garden. The whole plant of oleander is highly toxic, and it is dangerous for people and animals to eat it by mistake. It is not uncommon that the leaves, petals, fruits and twigs of oleander fall into the goldfish tank, which will cause the death of all the young and big fish. The reason is that oleander mainly contains cardiotonic glycosides such as yellow oleoside A, yellow oleoside B, yellow oleoside A, yellow oleoside B, yellow oleoside C and so on, which is highly toxic to fish and can cause acute goldfish.
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