Why does the magnolia have yellow leaves? The method of preventing yellow leaves from happening in Cymbidium

Why does the magnolia appear the phenomenon of yellow leaves? The magnolia has a high ornamental value, and it is often potted in greenhouse in China. The orchid blossoms from New Year's Day to the Spring Festival, can blossom all the year round, mainly in spring and summer, sometimes in winter, and some in summer from June to July. In the actual breeding process, Cymbidium will appear yellow leaf phenomenon, and there are many reasons leading to yellow leaves, such as light, temperature, fertilization, disease, aging and other factors, will cause yellow leaves. So today the editor is going to talk about the ways to prevent the yellow leaves of Cymbidium. I hope it can be helpful to everyone.

I. Lighting

Magnolia is a semi-negative plant, likes to scatter light, but avoid strong direct sunlight.

Indoor cultivation of orchid, to ensure adequate light, lack of light, will make the leaves of orchid lose luster, yellow-green and yellow. If this happens to the gentleman orchid, it can be supplemented by light to make it recover gradually.

Strong light will cause the leaves of Cymbidium to dry, harden, the leaves have no luster, and the leaves become light or yellow. therefore, it is necessary to do a good job of shading in the summer with strong light.

Second, temperature

The suitable temperature for the growth of Cymbidium is 15-25 degrees. When the temperature exceeds 30, it will inhibit the growth of Cymbidium.

When the air humidity is less than 60%, the leaves of Cymbidium will wilt, and the leaves will become light and yellowish.

Therefore, in the case of high temperature, do a good job of shading, ventilation and cooling; strengthen daily management, especially fertilizer and water management; in low temperature winter, it is necessary to do a good job of heat preservation to prevent frost damage.

III. Fertilization

When the orchid grows and develops and blossoms and bears fruit, it will consume a lot of nutrients. If the nutrients in the soil can not meet the needs of the orchid growth at this time, then there will be yellow leaves.

If it is caused by lack of fertilizer, it is necessary to increase the application of rotten rarefied liquid fertilizer.