Sweet Orange : Citrus sinensis (L) Osbeck
Introduction
Nutritive Values
(per 100g edible portion)
Energy
|
48.0 k cal |
| Protein |
0.7 g |
| Fat |
0.2 g |
| Carbohydrates |
10.9 g |
| Calcium |
26.0 mg |
| Phosphorus |
20.0 mg |
Iron
|
0.3 mg |
| Carotene |
1104.0 mg |
Thiamine
|
60.0 ug |
| Riboflavin |
20.0 ug |
| Vit. C |
64.0 mg |
Medicinal Values / Uses
Predigested food. Rich source of energy; useful on fever, dyspepsia, constipation, bone diseases, dental diseases, scurvy, cardiovascular diseases, tuberculosis, asthma, bronchitis, cough and cold, acne.
Major Growing Areas
Bibile, Moneragala, Badulla, Matale, Jaffna, Puttalam, Anuradhapura, Ratnapura
Recommended Varieties
Bible sweet, Bibile seedless
Crop Management
Nature of cultivation
Widely scattered ; few orchards; also in home gardens.
Harvesting & post-harvest technology
Value Added Products
Cordial, juice, squash, marmalade, jams ; rind for perfumery
Economics & Marketing
Availability
February - April
Crop : Citrus (Lime, Sweet Orange, Mandarin)
Program : Crop Improvement
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
Germplasm collection, introduction and evalution of lime
|
Monaragala |
U.B. Dissanayaka
|
No. of varieties collected
|
Continuous |
Germplasm collection, introduction and evalution of sweet orange
|
Moneragala
|
U.B. Dissnayaka |
No. of varieties collected |
Continuous |
| Germplasm collection, introduction and evalution of Mandarin |
Horana
HORDI |
S. Heenkenda |
No. of varieties collected |
Cont. |
Program : Crop Management
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
Studies on off-season flowering of lime
|
Moneragala |
U.B. Dissanayaka
|
No. of harvest per year
|
3 Yrs (2002 - 2005) |
| Studies on propagation techniques of mandarin |
HORDI,
PGRC
|
|
|
|
| Studies on flower induction of in mandarin |
Horana
|
|
|
|
Program : Crop Protection
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
| Integrated control measures of scale insects, mealy bugs and aphids, in lime and sweet orange |
Bandarawela
|
|
|
|
Integrated control of scale insects, mealy bugs and aphids in mandarin
|
Horana
|
G. Rathasinghe |
Number of measures |
5 Yrs (2002 - 2007) |
Studies on management of tristressa and other virus diseases in citrus
|
HORDI
|
|
|
|
| Production of antiserum for greening disease |
Homagama |
E.M. Dassanayaka W.G.S. Perera |
Indexing method |
01 Yr (2002 - 2003) |
Virus Indexing
|
Homagama |
E.M. Dassanayaka |
|
Continous |
Program : Planting Material Production
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
| Production of virus free planting materials of citrus species |
HORDI
Moneragala
|
U.B.Dissanayaka
|
No. of virus free planting material produced
|
Cont. |
Program : Soil Fertility and Nutrient Management
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
Studies on application of micro
nutrients as foliar sprays to increase crop yield
|
|
|
|
|
Mandarin
|
Horana
|
|
|
|
| Sweet orange |
Bandarawela |
|
|
|
|
Moneragala
|
U.B. Dissanayaka |
Information on Yield increase |
3 Yrs (2002 - 2005) |
Program : Post Harvest Handling
| Activity |
Responsibility |
Indicators |
Time frame |
| Station |
Officer |
| Storage studies on lime |
FRU |
K.H. Sarananda
|
Documatation |
1 Yr (2002 - 2003) |
Crop Recommendations
