The best time to water orchids is between 6 and 8 in the morning.Watering should not be done in the evening and how many times watering
per day and it depends on the weather.To Maintaining humidity in the greenhouse during hot weather for maintained to do
moistening the soil under the orchid bed.
Dissolving fertilizer in water by watering the orchid plants and Absorption to orchid plants also will be Happens control of water
content in plants.In addition, which is essential to the growth and to flowering of the plant and it releases excess heat from the orchid
plant.
Due to Improper of watering can lead to various diseases of orchid plant.
The leaves are gray under high watering conditions and Takes on a withered nature under low watering conditions.With a right watering
,healthy green leaves can be seen.
When watering orchids, water the plant in Like a mist.
Chlorinated water is not suitable for orchids. If you need to apply chlorinated water, fill it with water the day before and keep it
and use after day.
Should be Apply more water on well lit days and less water on rainy or dark weather conditions.
Check the moisture in the medium of the orchid pot and decide whether to water in a day or every two to three days.
Facts to know when using fertilizer for orchids.
Fertilizer should be applied on well lit days free from rainy or dark weather conditions.
fertilizing to orchid plant should be done before 8 am.Before applying the fertilizer, first spray the orchid plant with water.Fertilizer
should be applied after 45 minites. When applying fertilizer to orchids, the roots and leaves should be sprayed with a liquid sprayer to
moisten them well.
Organic and inorganic fertilizers are used for orchids plant.
organic fertilizers are contains of main root material N , P , K and in addition root material Zn , Ca , Mg , Mn , Fe , B ,
contains of organic fertilizers.
Inorganic fertilizers are divied two parts in essential and non-essential. Inorganic fertilizers are contains of main root material C, H,
O, N, X, C, A, Mg, S and in addition root material Fe, b, F, Cl , Zn , Cu , Be , Mn ,
contains of inorganic fertilizers.
Fertilizer should be mixed with water in proper volume and used.Failure to do so may result in changes in the orchid plant due to certain
fertilizer deficiencies and overdose.Once the fertilizer did dissolved in water, it should be used on the same day.
FERTILIZERS
How to apply fertilizer to orchid plants less than 4 inches tall.
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Captan
water
Osmacot N
water
water
30:10:10
water
water
20.20.20
water
water
Albert So
water
water
Mancozeb
water
30.10.10
water
water
20.20.20
water
Mashal 20
water
Albert So
water
water
30.10.10
water
water
vegimax
How to apply fertilizer to orchid plants between 4-6 inches tall.
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Captan
>water
Osmacot p
water
water
30:10:10
water
Maxicrop
water
20.20.20
water
water
Albert So
water
Mancozeb
water
10.52.10
water
water
30.10.10
water
Mashal 20
>20.20.20
water
water
Albert So
water
water
vegimax
water
20.20.20
How to apply fertilizer to orchid plants More than 6 inches tall.
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Captan
Osmacot P
water
water
water
30:10:10
water
Maxicrop
water
20.20.20
water
Water
Albert So
20.20.20
Mancozeb
water
10.52.10
water
water
30.10.10
water
Mashal 20
water
20.20.20
water
water
Albert So
water
water
super green
water
How to apply fertilizer for flowering of mature orchid plants.
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Captan
water
Osmacot K
water
water
6:30:30
water
water
20.20.20
water
wter
Albert So
water So
water
Mancozeb
water
Niuetrione
water
water
10.52.10
water
Mancozeb
water
20.20.20
water
water
6.30.30
water
water
vegimax
water
water
INSECT INFECTIONS
Mites
Mite are staying as black or gray dot of under the leaf and absorbs the juice. Then gradually spreads throughout the leaf.It is a species of insect that is invisible to the naked eye and quickly spreads to other plants. Mite are also cause the spread of viral diseases.In dry and hot climates they increase their population in a very short period. Mites can easily damage orchids as well as flowers.
Remedies for mite damage
1. Separation of mite-damaged plant from other plants.
2. 80% Sulfur-containing or Abamectin , Hexthiazox Application of insecticide such as.
3. Application of natural pesticides.
4. Temporary cessation of fertilizer use.
5. Should be cut and burned of mite-damaged leaves.
Flourbug
A juice-sucking an insect . flourbug is living on the leaves and stems of the orchid plant . They are sucking the sap of the plant and
spread rapidly.They also interfere with the growth of the plant.
Remedies for Flourbug damage
1.They can be controlled with Fipronil,Imidacloprid insecticide.
Aphids
They suck the sap from the leaves and help spread the virus.
Remedy for Aphids damage
1.They can be controlled with Thiamethoxam insecticide.
The larva that damages the buds
Takes the form of a mosquito and is about 2 mm long With the onset of flowering, the lay eggs in the flower buds . The larvae eating the
tissues of the flower buds. This cause the buds to grind, bend, the flower buds become wet and rot, and the color changes of flowers.
Remedies for the larva that damages the buds
1.Use Marshell 20 or Admaire insecticide with the onset of flower buds.
2.Apply an insecticide containing kohomba.
3.Apply the recommended amount of the Diazinon insecticide packet granulated to the medium of the orchid pot.
4.Yellow sticky boards are available in the market and its can be installed near orchids plants.Appling grease on the yellow polythene and keep it closer the orchid plants.
Slugs and Snails
These creatures doing most of the damage to orchids between night 7 and 9 pm . Coming to the plant they are very fond of eating the
apical,young shoots, young leaves, flower buds and petals of blooming flowers.Therefore the growth of the plant is poor and some plants
are destroyed.
Remedies for Slugs and Snails
1. Capture and remove of them as soon as seen.
2. Sprinkle with salt and ash.
3. Laying of meta cubes.
4. Remove the hiding places of these animals and keep them clean.
Stem worms
They cause great damage to plants such as Dendrobium wanda.It is difficult to find until the plant is destroyed.The moth The eggs laying on
the leaves and the larva stays in the trunk and eats the internal tissues. Cellization occurs are between the pieces of charcoal, tiles and
middle of trunk.
Remedies for Stem worms
1.They can be controlled with diazinon insecticide.
Leaf-eating caterpillars
They are very fond of eating flower petals, leaves, new shoots and buds.
Remedies for Leaf-eating caterpillars
1.They can be controlled with Chlorfluazuron insecticide.
Scaly insects
Scaly insects are small oval-shaped insects.Absorbs the juice and usually damages the leaves.It is also found on the trunk in severe
cases.They are difficult to control as their bodies are covered with a tight covering . They are carriers the viru.
Remedies for Scaly insects
1.They can be controlled with Fipronil,Imidacloprid insecticide.
Yellow beetles
This insect and larvae eat leaf, buds and flowers. Also makes holes in flowers.Their eggs are found on the flower and on the plants.Pila
stage is also found among plants and they appear as cottons like material on the trunk.
Remedies for Yellow beetles
1.They can be controlled with Imidacloprid insecticide.
Cockroaches
Cockroaches is a very harmful insect and eats young leaves, buds and flowers.
Remedies for Cockroaches
1.They can be controlled with cockroaches insecticide.
FUNGAL INFECTIONS
Diyamalan kaam - Damping off
The disease is most common in orchids of all species such as Dendrobium, Vanda, Catalia, and Phalanopsis.Excess water supply can lead to this disease.In the early stages of the disease, small opaque spots appear on the lower part of the trunk and gradually turn brown.
Remedies for Diyamalan kaam
1.Supply only the required amount of water.
2.Separation of diseased plants from healthy plants.
3.Captan,Thiram fungicides can control the disease.
Leaf and apical rot
The disease is most common in orchids of all species such as Dendrobium, Vanda and Oncidium. It is a fungal disease that occurs during the rainy season.The leaves at the apex of the orchid become discolored and die.It then spreads downward from the apical part of the plant.
Remedies for Leaf and apical rot
1.Removal of infected leaves.
2.Spraying a fungicide containing metalaxyl.
Anthracnose
The disease is most common in orchids of all species such as vanda and Aranda.Yellowish brown spots appear on the leaves. Then these spots become large and dark brown.Because this the leaves to turn yellow and shrink.
Remedies for Anthracnose
1.Cutting off the diseased leaf section.
2.Propioneb and mancozeb fungicides can control the disease.
Yellowing of leaves
The disease is most common in Dendrobium Orchids.It is a fungal disease that is very common during the rainy
season. Mature leaves haveing light yellow spots which gradually turn black and then fall off.
