Journal of Food, Agriculture and Environment
Vol 9,
Issue 3&4,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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The investigation of paclobutrazol effects on growth and yield of two potato (Solanum tuberosum) cultivars under different plant density
Author(s):
Behrooz Esmaielpour 1,
Saeid Hokmalipour 2*, Parisa Jalilvand 3 , Ghobad Salimi 4Recieved Date: 2011-07-03, Accepted Date: 2011-09-28
Abstract:In order to investigate the effects of plant density and paclobutrazol on the growth and yield of potato a factorial experiment based on complete block design with four replications was carried out in Nooshar village of Ardabil province in 2007. Experimental factors include potato cultivars (Agria and Granola), plant density (4.1, 4.7 and 5.7 plants per m2 ) and paclobutrazol levels (0, 45 and 90 mg per litre). The results indicated that potato cultivars differ only in terms of plant height, days to tuberization and the number of tubers per plant. With increase in plant density, the dry weight of root, stem, leaf and tuber, the number of stems and tubers, the yield per area and the plant height increased and day to tuberization decreased. Paclobutrazol increased only the dry weight and yield of leaves and tubers per area. Thus, in order to produce the balance of different organs of potato and increase the tuber yield on surface unit, application of paclobutrazol as foliar spraying can be suggested.
Keywords:Paclobutrazol,
plant density, potato cultivar and yieldJournal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 3&4
Category: Agriculture
Pages: 289-294
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