STUDIES ON THE PERFORMANCE OF SOME NEWLY INTRODUCED STUDIES ON THE PERFORMANCE OF SOME NEWLY INTRODUCED STUDIES ON THE PERFORMANCE OF SOME NEWLY INTRODUCED STUDIES ON THE PERFORMANCE OF SOME NEWLY INTRODUCED CULTIVARS OF APPLE (MALUS × DOMESTICA BORKH.) UNDER HIGH HILL CONDITIONS OF KINNAUR (H.P). HIGH HILL CONDITIONS OF KINNAUR (H.P).
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Date
2013
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UHF,NAUNI
Abstract
ABSTRACT
The present investigations entitled “Studies on the performance of some newly
introduced cultivars of apple (Malus × domestica Borkh.) under high hill conditions of
Kinnaur (H.P.)” were carried out to study the performance of 9 apple cultivars at Progeny
Cum Demonstration Orchard, Boktu, district Kinnaur for their suitability for commercial
cultivation. The experiment was laid out in Randomized Block Design with five
replications at a spacing of 3 x 3 m during 2011-2012. The observations were recorded on
various growth parameters like plant height, plant spread, trunk girth, annual shoot growth,
flowering, fruit set, fruit drop, yield and physico-chemical characteristics of fruit. Analysis
of variance showed significant differences among all the cultivars for all the characters
under study. Among different cultivars ‘Golden Spur’ recorded maximum increment in
trunk girth (17.44 mm). Plant height (4.82 m), plant spread (4.58 m) and tree volume
(45.97 m
3
) was highest in ‘Red Chief’. The varieties namely Gale Gala, Coe Fuji, Red Fuji
and Golden Spur had spreading tree habit while others had upright growth. Bud swell was
earliest in ‘Golden Spur’ (23-03). The highest fruit set (88.00 %) was in ‘Golden Spur’ and
lowest in ‘Oregon Spur-II’ (58.50 %). The spur varieties were early in maturity compared
to the non spur varieties. Highest yield was recorded in ‘Oregon Spur-II’ (38.70 kg/tree).
The varieties were characterized as dwarf (Scarlet Spur, Super Chief and Oregon Spur-II),
semi-vigorous (Gale Gala, Coe Fuji, Red Fuji and Red Chief) and vigorous (Granny Smith
and Golden Spur).
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