The cause of the yellowing of the leaves of Cymbidium and its solution

Magnolia, also known as Lycoris radiata, Lycoris radiata, etc., is a perennial herb of Amaryllidaceae, native to southern South Africa, with dignified and beautiful plant shape, green and straight leaves, large flowers, red fruit, and beautiful leaves and fruit. it is said that there are flowers in one season, fruits in three seasons and leaves in four seasons, which are often cultivated in greenhouse in China.

The whole leaf of Cymbidium turned yellow.

Performance and reasons

Sometimes, you will find that the magnolia begins to turn yellow before you know it. At first, a little bit, gradually developed to the whole leaves are yellow, very ugly.

The whole leaves turn yellow, which may be caused by strong light. Too strong sunlight will burn the leaves of Cymbidium, causing the leaves to turn yellow.

How to solve the problem

When the whole leaves of the orchid turn yellow, it will not only affect the viewing of the orchid, but also disadvantageous to the growth of the orchid. At this time, the yellow leaves should be cut off and the magnolia should be shaded to alleviate the yellowing of the leaves.

The local leaf yellow of Cymbidium

Performance and reasons

The leaves of Cymbidium also appear yellow at the edge and yellow or scorched at the tip of the leaf.

The phenomenon of partial leaf yellow in gentleman orchid is mostly caused by too much watering. This is due to the poor growth of Cymbidium caused by improper maintenance and excessive watering caused by lack of oxygen in the root system. It may also be due to incorrect fertilization, excessive concentration of fertilizer, causing root burning and local yellowing of the leaves of Cymbidium. And the soil is not ventilated, the root breathing and drainage is not good, or the maintenance environment is not ventilated enough and so on.

How to solve the problem

In fact, the partial leaf yellow of Cymbidium is mostly due to improper daily maintenance. To sum up, it is necessary to do a good job of daily maintenance of Cymbidium. Do a good job in water and fertilizer management, reasonable watering and fertilization, avoid basin soil too wet or thick fertilizer to burn roots, so that the leaves of Cymbidium are yellow. We should also pay attention to the regular ventilation to the orchid, so that it grows in a good ventilated environment, and pay attention to the choice of soil.

The leaves of Cymbidium have macula.

Performance and reasons

The long macula of the leaves of Cymbidium is mainly characterized by yellow or yellowish-brown spots on the leaves, and gradually enlarges, harming the leaves.

This situation is mostly due to the occurrence of leaf spot or anthracnose, or infested by insect pests. Let the leaves of Magnolia appear yellowish-brown disease spots, and even harm the whole leaves.

How to solve the problem

When Cymbidium has leaf lesions due to diseases and insect pests, it is necessary to choose appropriate treatment methods according to the incidence, suitable pesticides can be selected for spraying treatment, and disease prevention measures should be taken during daily maintenance, giving priority to prevention, combining prevention and treatment.

Other manifestations of Ye Huang of Magnolia

Performance and reasons

In addition to the above situations, the leaves of Cymbidium are yellowed, sometimes withered, grayish yellow, yellow and weak, and because of normal metabolism, the old leaves at the bottom of the orchid grow new roots from the axils of the leaves, and continue to grow, causing the leaves to turn yellow.

If it is a gentleman orchid for a long time, it is a normal metabolic phenomenon. However, if the new leaves, tender leaves appear withered yellow, gray yellow, yellow weak phenomenon, it may be due to improper watering, too strong light or too much fertilization.

How to solve the problem

There is no need to worry too much about the yellow leaves caused by normal metabolism, just cut off the old leaves of Cymbidium and keep it beautiful. But if the gentleman orchid appears withered yellow, gray yellow, yellow weak leaf yellow symptoms, it is also necessary to do a good job in daily maintenance. Attention should be paid to watering to avoid stagnant water, proper shading, and thin application of fertilizer can improve the yellowing of the leaves of Cymbidium.

In fact, the reason for the yellowing of the leaves may also be due to the rotten roots of the orchid. At this time, we should not only solve the problem of yellow leaves and pruning yellow leaves, but also solve the problem of rotting roots of orchids.