Death of apical buds (Pointers), yellowing of the veins of the leaves. Lack of Calcium.
Older leaves turn yellow and the petiole purplish tones present. Lack of SULPHUR.
Little flowering, dark leaves. Lack of phosphorus.
Yellowing of the veins of the leaves, getting older by. Lack of MAGNESIUM.
Edges of rotting leaves, thin and weak stems. Lack of Potassium.
Symptoms: Foliage wilt, dry land
Cause: Lack of water
Suggested treatment: Remove the plant from the sun, spray the foliage; after one hour soak the plant watering bowl a substrate by immersion. Take the bonsai for a shady spot for a few days.
Symptoms: Foliage they wilt and then dry land too fast or runs off the edges (no water penetrates the soil).
Cause: Excess roots
Suggested treatment: Replace the ground immediately. Can the roots and use a slightly larger pot if necessary. Spray the foliage.
Symptoms: wilted leaves and damp earth
Cause: rotted roots
Suggested treatment: Remove the plant from the pot, clean the roots with water spray or dip repeatedly into Watermark basin; Cutting the roots rotted. Repot into compost with plenty of sand.
Symptoms: Twig suddenly that changes color
Suggested treatment: Cut the affected areas sterilize the tools used so as not to contaminate other plants.
Symptoms: Leaves yellow and shafts
Cause: Mineral Deficiency
Suggested treatment: Apply a mineral fertilizer comprising iron, manganese, zinc and magnesium
Symptoms: Top of bonsai and is burned with dry leaves
Cause: strong sun
Suggested treatment: Remove the plant from the sun, taking it to a more shaded spot; spray the foliage.
Symptoms: lower branches of bonsai are drying, do not develop new leaves
Cause: Lack of sun (light) in the lower limbs
Suggested treatment: Can the top of bonsai trimming excess leaves, turn the pot from time to time, make a light fertilization, and keep the top with little foliage.
Symptoms: Conifers with pale green, budding little annual
Cause: mites or mealy bugs
Suggested treatment: Apply a mineral or organic insecticide, can the branches with excessive foliage, place in sunny spot.
Symptoms: Hole in trunk of bonsai
Suggested treatment: Inject some insecticide into the holes with a syringe.
Symptoms: damp, dark and limo Trunk
Cause: Excessive water
Suggested treatment: Wash with toothbrush entire torso affected, only the wet earth in the coming times.
Symptoms: Limo dead wood
Suggested treatment: Clean with toothbrush and apply sulfocáustica syrup with small brush.
Symptoms: Limo in Vase
Suggested treatment: Clean the pot with brush. Use a solution of bleach (Clorox type) diluted; once dry the vase, pass a light coat of mineral oil.
Symptoms: white crust on the toilet and even on earth
Cause: Deposit minerals; can be two causes: water with excess chlorine or use of mineral fertilizer frequently.
Suggested treatment: Wipe the crust of the pot with brush, water and detergent; soak the plant dipping it in a bowl with water covering the whole earth vessel for about 1/2 hour.
Symptoms: White powder on leaves
Suggested treatment: Treat with fungicide (Bordeaux mixture type) water only to land avoiding wetting the foliage; remove the infested leaf.
Symptoms: Leaves with rust colored powder
Suggested treatment: Treat with fungicide (Bordeaux mixture type), water only the soil avoiding wetting the foliage; remove the infested leaf.
Symptoms: New leaves much larger than the other
Cause: Excess nitrogen
Suggested treatment: Water well to remove excess bonsai fertilizer, light plant for sunny, remove unwanted leaves.
Symptoms: Leaves fall suddenly
Cause: Heat shock
Suggested treatment: Take the plant for shaded spot, spray the remaining foliage and soak the earth well.
Symptoms: Some new and budding small to normal
Cause: Excess roots
Suggested treatment: Repot the plant, pruning the roots, use good compost.
Symptoms: Even symptom presented in the previous item but the plant does not have excess roots
Cause: Lack of Nitrogen
Suggested treatment: Fertilize lightly and more followed.
20. Symptoms: White scales on young leaves and shoots
Suggested treatment: Spray insecticide mineral or organic.
Symptoms: Foliage elongated growth; widely spaced leaves, pale green
Cause: Insufficient light
Suggested treatment: Move the plant to slowly sunny spot, pruning very elongated growth.
Symptoms: Blue Conifers passing to green
Cause: Lack of magnesium
Suggested treatment: Use full mineral fertilizer. The blue color is intensified by the sun, make sure the plant is in an appropriate place.
Symptoms: Tree not blooming
Cause: Pruning at the wrong time
Suggested treatment: If the plant has reached the age of flowering pruning should be done in spring only after the flowers wither and fall. A very thorough annual pruning removes flower buds; fertilize plants that bloom phosphate (Bone meal or mineral fertilizer in autumn).
Symptoms: Ants walking around branches and trunk
Cause: Aphids and mealy bugs
Suggested treatment: Use mineral or organic insecticide spraying the foliage.
Symptoms: New shoots of leaves do not open
Cause: Deficiency of phosphorus
Suggested treatment: Fertilize with bone mineral fertilizer or flour or similar type 4-10-8
Symptoms: Flowers that do not open
Cause: Potassium deficiency
Suggested treatment: Fertilize as above.