Uses
|
Laxative and
purgative.
|
Parts used
|
Leaves and
pods
|
Active Ingredients
|
Sennosides
|
Commercial preparation
|
Dried leaves
are used as an ingredient of Herbal Tea in Europe
|
|
India
is the largest producer and exporter of senna leaves, pods and
sennoside concentrate in the world market.
|
| Cultural
Practices |
|
Soil
|
Well
drained sandy loam to laterite soils of marginal and sub
marginal with 7.0-8.5 pH
|
Propagation
|
Seeds.
June-July
|
Seed rate
|
5
kg / ha. 45x30 cm
for higher yield
|
Varieties
|
Anand
late selection
|
Manures & Fertilizer
|
FYM
@10t/ha and 60kg/ha N in split doses at sowing, 30 DAS
(thinning), after first and second picking of leaves
|
Irrigation
|
Irrigation
at 7 DAS is crucial
|
Weed management
|
Two-hand
weeding followed
by hoeing at 25, 30 and 50 DAS are essential
|
| Pest
and diseases
|
Damping
off at seedling stage: Seed treatment of Thiram/Captan
@ 2.5 g/kg of seeds: Leaf spot:
Dithane M-45 @ 0.5% spray Pod borer: Endosulphan @
0.05% Spray
|
Harvesting
|
Harvesting
starts 90 DAS and
subsequently 30-35 days intervals in dry season to avoid the
spoilage of leaves and pods. Leaves and pods are sun dried
before storage.
|
| Yield |
Pods: 7-10 q/ha., Leaves: 15-20
q/ha |