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Physiological disorders of the plants

Plant diseases can be due to attacks by bacteria, viruses or fungi, such as physical factors, and environmental. The physiological disorders are due to excesses or deficiencies in regards to the essential needs for plant growth such as nutrients, light, water, and air.

Physiological disorders of the plants 1

The physiological disorders are combated mainly with knowledge and good will. We know the needs of each plant and cover them so that you can grow and develop in the normal way. Offer them a favourable environment and not empecinarnos in cultivating plants that need climates totally different from our own, except of course if we are able to reconstruct artificially the conditions.

Physiological disorders of the plants 2

Let’s look at some typical symptoms that tell us that a plant is suffering from a disorder of physiological and how we can solve it.

Symptom: The stems grow in an exaggerated manner. The older leaves are very long and the young people do not get to develop.

Cause: Lack of light or excess of nitrogen.

What to do?: Place the plant in a location with more light. Decrease the amount and/or the frequency of fertilization.

Symptom: older leaves will curl up and the young people are not well developed.

Causes: Excess light.

Whatdo you do?: Move the plant to a more shaded area.

Symptom: The stems darken and end up rotting. The lower leaves wither and bend.

Cause: Excess humidity

What to do?: Reduce the frequency of watering. Make sure that the drainage hole is not clogged. Check out the dish under the pot or empty it when water.

Physiological disorders of the plants 3

Symptom: the tips of The leaves will darken and wither. The lower leaves turn yellow and fall off.

Cause: poor Irrigation.

What to do?: Irrigate until water drains out the drainage hole. Do not re-water until the substrate is dry.

Symptom: The edges of the leaves shrink and turn brown.

Cause: Low humidity

What to do?: Increase the humidity with sprays of regular plant or place a saucer or tray with pebbles under the pot.

Symptom: The plant is not blooming or very little. Foliage very dense.

Cause: over fertilization, especially nitrogen.

What to do?: Do not use a fertilizer rich in nitrogen during the growing period. Do not fertilize when the plant is dormant.

Physiological disorders of the plants 4

Symptom: lower leaves turn yellow and fall off. The new leaves do not develop and the stems stop growing.

Cause: Lack of fertilization.

What to do?: Pay in the growth phase.

Symptom: leaves turn yellow, bend and wither.

Cause: Excess heat.

What to do?: Change the plant to a cooler place.

Symptoms: spots Appear yellow or brown in the leaves.

Cause: Wetting the leaves with cold water.

What to do?: When watering use water at room temperature or even slightly warm.

Physiological disorders of the plants 5

Symptom: Spots of yellowish white or brown in the leaves.

Cause: Sunburn

What to do?: Place the plant in a bright place where do not receive direct sunlight, especially in the hours of greatest radiation.

Symptom: white Spots on the surface of the substrate or on the side of the pot. The leaves that touch the rim of the pot is can wither and rot.

Cause: Accumulation of salts in fertilizers.

What to do?: Put the pots to soak for a half hour so that the salts become diluted. Let it drain properly.

Symptom: The roots come through the drainage holes. The plant wilt or produce only small leaves.

Cause: Pot too small

What to do?: Transplanting to a larger pot.


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