STUDIES ON SOFTWOOD GRAFTING IN JAMUN (Syzygium cumunii Skeel.)
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Date
2010-07-15
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University of Agricultural Sciences, Bangalore
Abstract
The studies on softwood grafting in jam un was carried out at the division
of Horticulture, Gandhi Krishi Vignana Kendra, UAS, Bangalore. The broad
objectives of the investigation are to study the success rate of softwood grafting
in Jamun using only Syzygium cumunii as a rootstock under Bangalore
conditions over the m onth in different growing condition.
A significant effect w as observed with different treatm ent (months
of grafting), sub treatm ent ( growing conditions) on the observation recorded on
the softwood grafts of Jam u n. Among the different treatm ents (m onths of
grafting), the maximum value recorded on the param eter such as, num ber of
sprouts, internodal length, graft height and graft success was 16.70 days, 2.79,
8.08 cm, 12.43cm and 90.50 per cent respectively during the m onth of
January. The maximum num ber of days taken for sprouting, days taken for
leaf emergence recorded w as 16.70 days & 25.46 days during the m onth of
December. The maximum num ber of leaves (12.08) and branches per graft
(4.45) was recorded during the m onth of March. Among the different sub treatment (growing conditions), The maximum number of days taken for leaf emergence (20.31 days) and num ber of leaves (11.77) was recorded when grafts were kept inside shade net house.
The maximum num ber of sprouts (2.92) and number of branches (3.77) was
recorded when grafts were kept under open (Natural shade) condition. The
maximum internodal length (7.47cm), graft height (10.79cm), and Graft
success (94%) was recorded when the grafts were kept inside the low cost poly
house. The interaction effect also have a significant influence on alm ost all the
parameters of the softwood graft. Thus the softwood grafting can be carried out
successfully over the m onth under different growing conditions. However it was
found that the maximum per cent of graft success were found to be the month
of January when grafts were kept inside low cost poly house.
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