Management and control measures of leaf yellowing of domestic potted flowers

Potted flowers due to root development is limited, can not freely extend, such as poor management, watering, improper fertilizer, it is easy to appear yellow leaves phenomenon, light appearance reduced color, heavy whole plant dead. Correct diagnosis and treatment should be made in time. The causes, symptoms and remedial measures are briefly described as follows:

1) Too much water. The pot soil is too wet for a long time, resulting in lack of oxygen in the soil, leading to root rot. After suffering, first the young leaves turn pale yellow, then the old leaves gradually turn dark yellow. At this time should control watering, stop fertilizing, and often loose soil, so that the soil ventilation is excellent.

(2) Drought dehydration. Flower leakage irrigation or long time irrigation half waist water (that is, wet under dry), it will cause dark dull leaves, leaves wilting droop. First the lower leaves aged and turned yellow and scorched from bottom to top. At this moment, appropriate amount of watering is required to gradually restore it and then transfer to normal water and fertilizer treatment.

(3) Long-term fat loss. For a long time without fertilizer or change pots for soil, lack of nutrients in the soil, the formation of weak branches and leaves, leaves yellow. Should be timely pour pots, change into a new fertile, loose cultivation soil, and gradually increase the application of fertilizer or thin fertilizer.

(4) Excessive fat. The fertilizer concentration is too high or the fertilizer is not decomposed, and the nutrient solution concentration in the soil is too high, resulting in the extravasation of flower cell fluid, the separation of quality and wall, resulting in the edge of old leaves dying, until the whole plant dies. In this case, the fertilizer should be stopped immediately, and the amount of watering should be added to make the fertilizer flow out from the drain hole, or the pot should be poured immediately, and the soil should be washed with water and then planted from the beginning, or part of the old soil should be removed and replaced with new cultivation soil.

(5) Extremely hot. Summer such as J dangerous hi cool or shady flowers, such as Clivia, cyclamen, inverted bell, four seasons begonia, etc., placed in high temperature to let the sun directly dry, easy to cause young leaf tip or leaf margin withered coke, need to be moved to a well-ventilated cool place to maintain.

(6) Excessive shade. Most flowers are sun-loving. If they are placed in the shade for a long time or lack of light, they will gradually lead to weak growth, thin and yellow leaves, no flowers or few flowers. Be careful to move potted plants to sunny places.

(7) Alkaline soil and water. The soil and water in most areas of the north contain more salt and alkali, and flowers that like acid soil are planted, such as camellia, rhododendron, orchid, Michelia, mast, osmanthus, pearl orchid, night fragrant, white peony, magnolia, etc. Due to the lack of soluble iron in the soil that can be absorbed by flowers, the leaves gradually turn yellow and white, and even the whole plant dies. Acid soil is used when planting, often spraying 0. 2% ferrous sulfate solution, together with regular irrigation alum fertilizer water.

8) No ventilation. Potted flowers apply too much nitrogen fertilizer, branches and leaves grow too luxuriant, coupled with a long time without pruning, resulting in lack of light in the bore branches and leaves, easy to present yellow leaf drop phenomenon. Should strengthen pruning, make it ventilated and transparent, sprinkle water reasonably and apply phosphorus and potassium fertilizer appropriately.

9) The air is dry. Indoor flower cultivation when the air is too dry, some of the wet environment of flowers, such as orchids, turtle, white peony, jasmine, hibiscus, Michelia, etc., often present leaf tip dry, or leaf edge withered coke, or leaf attack coke spot, edge bending and other phenomena. In winter, the disease is more serious in the area heated by indoor coal stove. At this time, warm water near room temperature should be used to spray the branches and leaves to add air humidity. For some valuable flowers, it is best to cover them with plastic film and put a small basin of water in the cover.

(10) Insect pests. The leaf spot disease caused by fungi and other pathogens is easy to cause partial necrosis of leaves, showing yellow multicolored or patches, and the whole leaves are yellow and fall when it is serious. After infected by mosaic virus, the leaves showed yellow and green mosaic colors. Suffering from red spiders and other pests, the leaves will also become partially yellow and withered or even the whole leaves will fall yellow. Discovered pest damage should be sprayed in time such as thiophanate and dimethoate pesticides for control.

(11) Strong stimulation. The use of pesticides when controlling pests and diseases is too high, perhaps contaminated by toxic gases in the atmosphere, perhaps when the temperature is high, sudden irrigation of cold water, etc., are easy to cause leaf tips or leaf parts to scorch, or even the whole plant to die. Therefore, attention should be paid to the rational use of pesticides, try to eliminate air pollution sources, prevent cold water watering flowers around noon in midsummer.

To sum up, the above is about the management measures of yellowing leaves during potted flower cultivation, hoping to have some help for the majority of flower friends.

The reasons for the yellowing of the leaves of domestic flowers, and the solution summary Many flower friends often encounter yellowing of plant leaves when cultivating foliage plants. Leaves are especially important for foliage plants. Yellowing leaves not only affect its beauty, but also may cause plant death. Today, I will take you to understand the solution to the yellowing of domestic flower leaves.

1. Too much water

The performance of excessive watering is dark yellow and dull young leaves, old leaves without obvious change, branches small yellow green, new shoots atrophy is not long. The flowers should be removed from the pot and placed in a cool, ventilated, self-drying soil mass before being placed back in the pot.

2. Too little water

Water shortage yellow leaf tips or edges withered, hair dry, old leaves from below to yellow off, but the new leaves grow more normal. Pay attention to watering when watering enough, watering can be thoroughly.

3, the sun is too strong

Strong direct sunlight to some shade-loving flowers, such as hanging orchid, jade hairpin, etc., easy to cause flower leaf tips, leaf margins withered, leaves sunny part of the yellow spots. Move the plants to shade.

4. Insufficient light

Long shade environment, leaves do not get enough sunlight, can not form chlorophyll, whole leaves turn yellow and then fall off. Move the potted plant to a sunny environment and supplement the light.

5. Excessive fertilization

Fertilization too much or too much concentration caused by yellow flowers, performance in the new leaf tip appears dry brown, general foliar fertilizer thick and dull, and concave and convex do not stretch, old leaves yellow fall off. Fertilization should be stopped immediately, and serious parts of fertilizer should be washed with a lot of washing.

6, lack of fat yellow

Young leaves pale yellow or pale green, while older leaves are more normal or gradually turn from green to yellow, indicating a lack of fertilizer. Check basin soil if there is dry phenomenon should change soil, usually thin fertilizer and timely irrigation of some alum water.

The above is the solution to the yellowing of the domesticated flower leaves that I have sorted out. I hope it can help the majority of flower friends. Please also continue to pay attention to the fleshy flower beds and learn more about flower maintenance.

Why do domestic potted flowers tend to yellow leaf potted flowers due to the limitations of pots and soil, roots can not fully expand, if not managed properly, it will be more likely to produce yellow leaves than open field flowers. The main reasons for the yellowing of potted leaves include: one of the reasons is excessive water. Basin soil is too wet for a long time, resulting in soil hypoxia, leading to root rot. The young leaves turn pale yellow first, and then the old leaves gradually turn dark yellow. The second reason is drought dehydration. Flower leakage irrigation or long-term irrigation half-waist water that is wet on the lower dry, will cause the leaves dull luster, leaves wilting droop, first lower leaves aging, and from the bottom up turn yellow withered coke. The third reason is a chronic lack of fat. Long-term no fertilization or no change pot soil, soil nutrition deficiency, resulting in thin branches and leaves, leaves yellow. The fourth reason is excessive fertilization. The excessive concentration of fertilizer can cause the exudation of root cell fluid, the separation of cytoplasm and wall, the withered edge of old leaves, and even the death of whole plant. The fifth reason is the heat. Love cool or shady flowers such as Clivia, cyclamen, fuchsia, etc., if placed in high temperature to let the sun directly dry, easy to cause young leaves or leaf edges withered coke. The sixth reason is excessive shade. If light-loving flowers are placed in a place with insufficient light, they will cause weak growth, thin and yellow leaves, and few or no flowers. The seventh reason is that the air is dry. Like wet environment flowers, if the air is too dry, there will be leaf tip or leaf edge withered coke, or leaves produce coke spots, edge curl and other phenomena. The eighth reason is deficiency. Deficiency of potassium and magnesium can also cause yellowing of leaves. The ninth reason is pest damage. For example, leaf spot disease, serious when the whole leaf yellow fall off. Red spider damage, leaves and even the whole leaf withered.