Geranium Growing Patterns by your ownWhy the leaves of geranium turn yellow and what plant gives a signal, it is necessary to understand as soon as possible. Flower tells attentive hostess about their ailments. And again the geranium will throw high the baskets of flowers, refresh the air with the scent of leaves.
Geranium is considered an unpretentious plant. However, to place it requires a bright place without the direct rays of the midday sun. The soil should be fertile and loose. The pot is chosen small so that the roots are cramped.
The soil should be moist and well drained. Spraying the leaves is not required. Top dressing universal composition, but with a smaller amount of the nitrogen component. Autumn pruning provokes the growth of new flowering shoots. Dislikes geranium cooling coma of earth and drafts.
Diseases of the geranium leaves - signal to the grower
The violation of conditions of maintenance leads to a weakening of the plant. The color of the leaves can tell what needs to be changed in the content of the flower. Why the leaves of geranium turn yellow, coagulate or dry - there are several reasons. The weakening of the plant is different for the main reasons:
- incorrect content;
- colonization by insects.
Diseases and the invasion of parasites are associated with incorrect content. If the flower is strong, it will not get sick. It is important to provide undemanding geranium conditions of existence, so as not to solve the rebus, why the geranium leaves turn yellow and dry.
Result of improper content of geranium
In the evergreen pelargonium, the lower leaves turn yellow and fall off, this is a natural process. Therefore, the stem with age bare. But if the leaves fall often, the flower lacks light. You need to change the place or organize the lighting in the winter.
Especially often geranium leaves turn yellow in winter. Why is this happening? Does not take into account the biological activity of the flower in the period of rest. A sign of overflow can be the yellowing of the top of the plant. This means that the diseased roots do not drive the juice with the necessary strength and the tip remains without food.
Read also: Unusual indoor plant of the genus Insectivorous - fat
Why do the geranium leaves turn yellow in the room? It is necessary to water the plant more often, it lacks water. If the plant was in the open air in summer, when transferred to a warm room, prior to acclimatization, the color will become less bright. You must wait a week or two, and only then begin to change the conditions of detention.
The leaves will turn yellow if geraniums have not been transplanted for a long time, they feed little or the pot has become cramped. In a coma of the earth, excessive moisture is created, the leaves of geranium turn yellow. What to do in this case? Replant the plant in a new land and a larger container.
Geranium does not tolerate spraying. However, dry air is also unacceptable for her. Do not install the flower under the draft and near the radiator. That is why geranium leaves turn yellow around the edges. The begun drying out of a leaf gives a signal about insufficient watering.
Red leaf discs tell the florist that the plant is cold. Perhaps it just needs to be moved away from the glass, closer to the edge. But why does geranium blush leaves in spring? Most likely, during the rapid development of the plant lacks nutrition. Feed geranium need small doses.
Diseases of the geranium and their treatment with photo demonstration
Sometimes even with all the conditions of detention, the plant has a depressed appearance. For some reason, geranium leaves are twisted inside, the color of the green changes. Causes of illness can be settled in the ground, or on the top:
Then brown spots may appear on the leaves, oily stains, which will eventually dry and ruin the flower.
Viral diseases are transmitted from an infected plant to a healthy one through insects that previously ate on a sore bush. Perhaps the stalk is rooted with diseased pelargonium. A sign is a disease of geranium leaves, visually resembling a mosaic. The leaf is tightened; spots or patterns are noticeable on it. This is a vascular disease. The plant must be destroyed in order not to infect its neighbors.
Read also: Fertilizer for geranium with iodine or Abundant blooms provided by
Bacterial diseases include various blotches and leaf fall. Why does geranium turn yellow and what to do if brown spots are found on the leaves? The first step is to change the conditions of detention. Moist warm air in the room can lead to bacteriosis. A sign of a bacterial disease is blackening of the veins on the leaves. If you do not take action, after some time the plant will wither completely.
Congestion of plants on the windowsill, wetting of the leaf blade from condensation on the window, contaminated soil - disease provocateurs. Different bacteria and fungi give different shapes and stains from a fluffy gray plaque to dying inside tissues.
It is necessary to eliminate damaging factors, remove leaves with spots and treat the plant with fungicides. Water should be removed from the leaflets. Bacterial diseases include the well-known black leg. If the geranium stalk turns away, turns black and falls - this is it. It is necessary to transplant the plant in a new substrate.
A terrible disease for geranium is rust. Why leaves turn yellow in geraniums in a room if this is preceded by the appearance of brown spots. It may be rust, fungal disease. Brown spots - bags of spores. It will help spraying fungicide. The same disease causes edema - growths on the leaves of pelargonium. In case of small lesions, leaves should be robbed and burned. Dry the soil, check how the drainage works, give the plant more light and air.
Insects and pests of the plant
One of the most unpleasant pests are nematodes. Tiny worms live in the ground, feed on roots and attach their cysts to them. The plant is at first depressed, then dies. Signs are small, like poppy seeds, peas on the roots. Getting rid of nematodes is difficult. It is better to take the stalk from the top of the plant, and destroy the pot along with the ground. When loosening the soil with the tool cysts can populate the neighboring pots.
Read also: Choosing a place and time for clematis planting at the summer house
The upper part of the flower can be occupied:
- spider mite;
- caterpillars and termites.
In order for the aphid not to find the geranium leaves tender and tasty, the plant must receive enough potash supplements and few nitrogenous ones. The leaf becomes rougher and does not like sml.
The whitefly is a small white fly that lays eggs inside the leaf tissue. It can be withdrawn only by repeated use of systemic fungicides.
Pliers feed on plant sap, multiply rapidly, and are the reason why geranium leaves curl inside. A spider web appears on the back of the sheet, and the entire plate dries.
Termites, pests that feed on lignified parts of the plant, settling inside the stem and eating it. They can get into the ground, if they have settled the foundation of the house, into the pot with the ground.
Various caterpillars gladly devour leaves and flowers of geranium. In room conditions, they can appear if the leafworm has laid larvae on the leaves or flowers. Caterpillars will feed on greenery or flower petals, depending on the type of insect pest.
It is for geraniums that systemic drugs should be used.
- Aspirin, 1 tablet per 8 liters of water, spray on the leaves every three weeks when pests appear.
- Messenger - the earth is watered to strengthen the immunity of the plant.
- Marathon - a universal action drug. It should be sprinkled on the ground and watered.
- Monterey - a means of spraying geraniums from caterpillars.
It is easy to grow a beautiful geranium bush, you only need care and attention to a green friend.
Geranium Growing Experience - Video