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:: Volume 6, Issue 22 (9-2014) ::
فیزیولوژی گیاهان زراعی 2014, 6(22): 5-22 Back to browse issues page
Effect of drought tension and amount of nitrogen on yield and some qualitative and physiological traits of potato in Chahar Mahal va Bakhtiari climate conditions
H. Bagheri *, M. Gharine, A. Bakhshande, J. Taee, A. Mehnatkesh, B. Andarzian
Abstract:   (3262 Views)

In order to investigate the effect of levels of drought tension and nitrogen on yield and qualitative  and physiological traits of potato, this experiment as split plots was carried out  based on randomized complete blocks design, with three levels of drought tension S1 (control, providing 100 percentage water requirement), S2 (providing 75 percentage) and S3 (providing 50 percentage of water requirement of potato after emergence to the end of the growing period) as the main factors and four nitrogen fertilizer treatments  N1 (providing 100 percentage fertilizer requirement), N2 (66 percentage), N3 (33 percentage) and N4 (without applying nitrogen fertilizer) as the sub factors in Agriculture and Natural Resources Research Center of Chahar Mahal va Bakhtiari province. In this experiment maximum tuber yield gained from without tension treatment (S1) by the amount of 55/9 tons per hectare that had no significant difference at five percent level with S2 treatment but S3 with significant difference than two mentioned treatments, produced the average yield 31/7 ton per hectare. N1 and N2 treatments produced the highest tuber yield without statistically difference at five percentage level, but lack of nitrogen consumption (N4) led to the lowest tuber yield (38/7 ton per hectare). Generally, in S2 and S3 tension levels, N2 treatment caused access to the maximum tuber yield. Due to the reduction of tuber yield in S2 and S3 treatments within the highest nitrogen consumption level (N1), the interaction between drought tension and nitrogen on tuber yield was significant at one percentage level.

Keywords: Potato, Tuber yield, Proline, Chlorophyll, Nitrate.
Full-Text [PDF 229 kb]   (2871 Downloads)    
Type of Study: Applicable | Subject: Crop Physiology
Received: 2015/02/15 | Accepted: 2015/02/15 | Published: 2015/02/15
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Bagheri H, Gharine M, Bakhshande A, Taee J, Mehnatkesh A, Andarzian B. Effect of drought tension and amount of nitrogen on yield and some qualitative and physiological traits of potato in Chahar Mahal va Bakhtiari climate conditions. فیزیولوژی گیاهان زراعی. 2014; 6 (22) :5-22
URL: http://cpj.iauahvaz.ac.ir/article-1-303-en.html


Volume 6, Issue 22 (9-2014) Back to browse issues page
مجله علمی پژوهشی فیزیولوژی گیاهان زراعی crop physiology journal
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