Volume 7, Issue 23 (vol.7, no. 23 2018)                   j.plant proc. func. 2018, 7(23): 249-262 | Back to browse issues page

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Evaluation of morpho-physiological traits of cotton cultivars (Gossypium hirsutum) under the influence of humic acid in saline soil. j.plant proc. func.. 2018; 7 (23) :249-262
URL: http://jispp.iut.ac.ir/article-1-647-en.html
Abstract:   (1658 Views)

In order to study the morpho-physiological traits of cotton cultivars under the Influence of humic acid in saline conditions, a factorial field experiment was conducted in a randomized complete block design with three replications in Kashan in the growing seasons of 2014. The first factors included three cotton cultivars: Varamin, line 43200 and khordad, and the second factor consisted six foliar treatment included without humic acid and inadequate soil nitrogen (T1), without humic acid under adequate soil nitrogen (T2), 3 liter per hectare humic acid under adequate soil nitrogen (T3), 1 liter humic acid per hectare under adequate soil nitrogen (T4), 3 liter humic acid per hectare under adequate soil nitrogen (T5), and 6 liter humic acid per hectare under adequate soil nitrogen (T6). The results showed that foliar application of humic acid significantly affected number of  leaf , NAR, LAD, RGR, seed number per fruit, seed index, lint index and cotton yield. So that, the highest LAD, seed index, lint index and cotton yield were achived in application of 3 liters per hectare humic acid under adequate soil nitrogen in all cultivars and the highest leaf number, NAR, and RGR were obtained under 6 liters per hectare. finally the application of 3 liters per hectare humic acid under adequate soil nitrogen improved the morphophysiological parameters of cotton plant and increased yield

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Type of Study: Applicable | Subject: Salt Stress
Received: 2016/06/18 | Accepted: 2016/10/5 | Published: 2018/05/23

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