Mandarin Orange
Coorg Orange and Kodai Orange
- Sub tropical climate with an elevation of 500– 1500 m above MSL.
- A rainfall of about 150 cm to 250 cm is required.
- The winter should be mild and there should be no strong, hot winds during summer. Deep well drained loamy soils are the best.
- Soil pH should be between 5.5 and 6.5.
November – December.
Seedlings and budded plants
6 x 6 m, pit size 75 x 75 x 75 cm.
Planting during May – June and Sep – Oct.
Manures and Fertilizers per plant
Apply twice in a year during June and October.
For Palani Hills
Manures & Fertilizers | I year | II year | III year | IV year | V year | VI year onwards |
Kg/plant/year | ||||||
FYM | 10.000 | 15.000 | 20.000 | 25.000 | 25.000 | 30.000 |
N | 0.100 | 0.200 | 0.300 | 0.400 | 0.500 | 0.600 |
P | 0.040 | 0.080 | 0.120 | 0.160 | 0.160 | 0.200 |
K | 0.050 | 0.100 | 0.200 | 0.300 | 0.300 | 0.400 |
- For Shervaroyan hills (for trees above 6 years old):
Apply 700:375:600 g / tree NPK along with AM fungi (Glomus fasiculatus) @ 1 kg / tree.
Manures are to be applied in the basin 70 cm away from the trunk and incorporated. - Apply micronutrients as suggested for sweet orange.
- Apply agricultural lime or Dolomite at 4 kg / tree during January – February once in 2 – 3 years.
- This should not be combined with other chemical fertilizers.
- Remove water shoots, rootstock sprouts, dead and diseased shoots.
- Remove laterals of the main stem up to 45 cm from ground level.
- Basins should be provided for each tree with gradient slope.
1.Nitrogen
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray urea 2% at 15 days interval |
2.Potassium
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray of KNO3 2% at fortnightly interval. Application of 200g N, 100g P2O5 and 200g K2O / tree/year |
3.Boron
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray of [email protected]% |
4.Copper
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray of CuSO4 each 0.5% at fortnightly interval |
5.Iron
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray of FeSO4 @ 0.5% twice at fortnight interval |
6.Manganese
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray of 0.5% MnSO4 at fortnightly interval |
7.Zinc
|
| Deficiency Symptoms |
|
| Correction Measure |
Foliar spray 2% ZnSO4 with 1% lime at fortnightly interval |
1.Leaf miner
Management-
- Neem seed kernel extract 5% (NSKE)
- Neem oil 3%
2.Aphids
Management-
- Neem oil 3%
- Fish oil rosin soap @ 25 g/l.
3.Fruit sucking moth
Management-
- Destroy Tinospora weed host.
- Bait with fermented molasses plus malathion 50 EC @ 1 ml/l.
- Bag the fruits with degradable polythene bags (150 gauge)
punctured at the bottom. - Apply smoke and set up light traps or food lures (pieces of
citrus fruits).
4.Shoot borer
- Prune the withered shoots 4 cm below the dried portions
5.Stem borer
Management-
- Prune the branches containing grubs.
6.Fruit fly
Management-
- Collect and destroy fallen fruits.
- Set up methyl eugenol trap 0.1% solution mixed with
malathion 50 EC @ 1 ml/lit between 6 a.m. and 8 a.m. - Use degradable polythene bag (150 gauge) fish meal trap
with 5 gm of wet fish meal + 1 ml. malathion in cotton. 50 traps are required/ha, fish meal + malathion soaked cotton
are to be renewed once in 20 and 7 days respectively - Neem oil @ 3 % as foliar spray as need based
7.Green scale
Management-
- Apply carbofuran 3 G 15 g/plant
- Spray quinalphos 25 EC 4.0ml/l.
1. Powdery mildew-
Management-
Apply sulphur dust @ 25 – 30 kg (350 mesh) in the early morning hours to protect new flush or spray wettable Sulphur @ 0.3% or triademefon @ 0.1% three times at 15 days interval.
2.Sooty mould-
Management-
Boil 1 kg maida or starch with 5 l of water, cool, dilute to 20 l and spray
Avoid spraying during cloudy weather
To increase the fruit retention spray the trees at flowering and again at
marble stage with 2, 4 – D at 20 ppm or NAA 30 ppm.
Budded plants start bearing from 3 – 5 years after planting while seedlings take 5-7
years.
15 – 20 t / ha / year.
