Evaluation of ten seed sources of Shisham (Dalbergia sissoo) saplings of 3 years age at zonal Research Station Chianki, Palamau
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Date
2009
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Publisher
Birsa Agricultural University, Kanke, Ranchi, Jharkhand
Abstract
The present experiment was conducted on a provenances/seed source
trial of Dalbergia sissoo raised in 2005 in the field of Zonal Research Station,
Chianki of Birsa Agricultural University, Kanke, Ranchi. Out of ten seed
sources, seven seed sources were from Jharkhand and three were from Bihar
state.
Nursery grown uniform seedlings of approximately 45 cm length from
different seed sources were planted in Randomized Block Design (RBD) in
the month of July 2005 at a spacing of 2m x 2m in plot size of 6.0 m x 16.0 m.
The data on different parameters such as Height (m), Diameter at breast
height (cm), Clear Bole (without forking) height (m), Crown width (cm), Branch
Angle (degree), Incidence of termite attack, Incidence of flowering, Mortality,
Bole Volume (cu. m.) etc. were collected in month of August 2008, i.e. at the
age of 3 years for all provenances/seed source using standard method.
Comparison of different growth parameter of different seed sources was also
made with that local Daltonganj seed sources.
Maximum mortality (19.4%) was found for Daltonganj (P2) source and
no mortality was found for Jamshedpur (P4) Source. The present finding
indicates many variations in height of different seed sources at 3 years age.
Maximum height (6.84m) was found for Garhwa, Jharkhand (P1) source. In
comparison to Daltonganj seed source, Bhagalpur seed source showed less
height, whereas other eight seed sources showed more height.
Maximum d.b.h. (6.69 cm) was found for Jamshedpur, Jharkhand (P4)
source followed by 6.35 cm for Garhwa, Jharkhand (P1) source, and minimum
d.b.h. of 4.80 cm was found for Daltonganj, Jharkhand (P2) source. The
percentage increase in Jamshedpur seed source over Daltongang seed
source was found maximum 39.37%.
ii
The clear bole height of Garhwa (P1) and Sahebganj (P7) seed
sources was found maximum (3.51m) and the percentage increase in bole
height of Garhwa and Sahebganj seed source in comparison to Daltonganj
seed source was 18.98%. In comparison to local Daltonganj seed source five
seed sources showed more crown width, whereas other four seed sources
showed less crown width. Over Daltonganj seed sources maximum
percentage increase in crown width was for Deoghar seed source (20.00%).
Out of the total seed sources, maximum average branch angle 55.22˚ was
found for Sahebganj (P7) followed by 55.05˚ for Deoghar (P5) and minimum
average branch angle of 45.17˚ was found for Katihar (P9) Source.
The incidence of termite attack at basal portion was maximally
(16.29%) was notice for Katihar (P9) source followed by 15.4% for Bhagalpur
(P8) source and minimum occurrence of 9.9% was found for Daltonganj (P2)
Source. The Katihar, Bhagalpur and Dumka seed sources showed more
flowering occurrence as compared to local Daltonganj seed source. The
flowering occurrences for Garhwa and Jamshedpur seed source were 32.45%
and 83.42% respectively more than Daltonganj seed source. Maximum bole
volume was found for Garhwa and Jamshedpur seed sources
From the score matrix, the Jamshedpur seed source was found as best
seed source for all the growth parameters followed by Garhwa seed source.
However, the Ranchi and Bhagalpur seed sources scored lesser value (34) as
compared to other seed source.
Description
Evaluation of ten seed sources of Shisham (Dalbergia sissoo) saplings of 3 years age at zonal Research Station Chianki, Palamau
Keywords
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