Provenance Variation of Cassia flstula L. for Pod, Seed and Seedling Traits from Agroclimatic Zones of Northern Karnataka
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Date
2013
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Publisher
UAS, Dharwad
Abstract
Cassia fistula, a member of the family Caesalpiniaceae is an important tree with lot of
medicinal properties commonly called as ‘Amaltas’. Recently this species is gaining more
popularity for its medicinal value. The pods and seeds are economically important part
having medicinal properties. With this point in view the present study was carried out in
College of Forestry, Sirsi during 2012-2013. The study was laid out by following CRD
design with five treatments (provenances) and three replications. The average pod weight and
length was 59.28 g, 57.60 cm. The average seed length, seed width, seed test weight and
volume was 6.80 mm, 5.96 mm, 16.68 g and 12.18 mm3. Hilly zone recorded the highest for
pod and seed parameters. The study was laid out by following factorial CRD with five
treatments (provenances) as main treatment and 12 pre-sowing treatment with three
replications. Out of twelve different seed treatments tried, the maximum germination
percentage (81.47%) was recorded in Cold water soaking for 24 h after that dipping in H2SO4
for 1 min. The other quality indices viz., mean daily germination, peak value, germination
value, germination rate of seeding also high in this treatment. Significantly increased the
seedling growth attributes was observed in hilly zone viz., seedling height, collar diameter,
shoot fresh, root fresh, shoot and root vigour index, shoot to root ratio, total leaf area, relative
water content and Chlorophyll content by 38.20 cm, 3.74 mm, 8.50 g, 4.55 g, 3775.80,
1231.39, 2.14, 1358.79 cm2, 90 per cent and 21.90 mg/ g fresh weight respectively at 180
days after planting. The study identifies the Hilly zone as the best provenance for Cassia
fistula.