Soil –
Climate-
15 x 15 cm (45 plants/m2) or 10 x 15 cm (67 plants/m2)
Drip irrigation with 8-9 litres of water/m2 /day
Basal application of DAP – 50 g/m2
Weekly schedule – from 3rd week after planting
Fertilizer | Quantity (g/m2) | |
Monday | Wednesday | |
19-19-19 | 3.0 | 1.0 |
KNO3 | 3.0 | 1.0 |
CAN | 2.0 | 1.0 |
Ammonium nitrate | 2.0 | 1.0 |
MgSO4 | 2.0 | 1.0 |
1.Pinching
2.Light regulation
Chrysanthemum is highly influenced by light and hence photoperiod should be regulated. (Photoperiod should be regulated as detailed under ‘climate‘)
Growth regulators
Spray GA3 (50 ppm) at 30, 45 and 60 days after planting to increase flower stem length.
Weed management
Weeding and hoeing are done manually as and when required.
1.Phosphorus |
Deficiency Symptoms |
|
Correction Measure |
|
2.Potassium |
Deficiency Symptoms |
|
Correction Measure |
5 g of potassium chloride / lit of water at 10 days intervals. Feeding with K2SO4 @ 1.25 g/lit (5 application) corrects the deficiency. |
3.Calcium |
Deficiency Symptoms |
|
Correction Measure |
CaCl2 @ 5 g/lit or CaNO3 5g/lit as foliar spray at 10 days intervals. |
4.Iron |
Deficiency Symptoms |
|
Correction Measure |
Foliar spray of FeSO4@0.5% |
5.Boron |
Deficiency Symptoms |
|
Correction Measure |
|
6.Manganese |
Deficiency Symptoms |
|
Correction Measure |
Foliar application of mangnous sulphate at 0.6 g/l. |
1.Chrysanthemum aphid: Macrosiphoniella sanborni
Symptoms of damage
Management
2.Thrips: Microcephalothrips abdominalis
Symptoms of damage
Management
3.Flower feeder: Helicoverpa armigera
Symptoms of damage
Caterpillars feed on buds and flowers.
Management
1.Wilt: Fusarium oxysporum f.sp. chrysanthemi
Symptoms
Management
2.Rust: Puccinia chrysanthemi
Symptoms
Management
3.Septoria Leaf Spot: Sepotria chrysanthemella
Symptoms
Management
4.Powdery Mildew: Oidium chrysanthemi
Symptoms
Management
Standard types: Flowers are harvested when 2 – 3 rows of rays florets are perpendicular to the flower stalk.
Spray types: When 50% flowers have shown colour for distant markets; when two flowers have opened and others have shown colour for local markets.
Standard types : 67 flower stems/meter square
Spray types : 260 flower stems/meter square