Volume 8, Issue 30 (vol. 8, no. 30 2019)                   2019, 8(30): 341-351 | Back to browse issues page

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Harirforoush M, Sorooshzadeh A, GHANATI F. Study the growth and biochemical characteristics of canola under flooded conditions, using potassium nitrate and polyamines putrescine. Plant Process and Function 2019; 8 (30) :341-351
URL: http://jispp.iut.ac.ir/article-1-861-en.html
1- Tarbiat Modares University,
2- Tarbiat Modares University, , SOROOSH@MODARES.IR
Abstract:   (5597 Views)

This research was carried out in order to investigate the effect of foliar application of potassium nitrate and polyamines putrescine, on growth and biochemical characteristics of rapeseed (Brassica napus) under waterlogging condition. An experiment was conducted in a factorial arrangement based on completely randomized design with four replication. The factors include waterlogging stress conditions on two levels (I0 = no flooding, I1 = flooded for 10 days) and foliar application of potassium nitrate and polyamine putrescine in five levels (M0 = no spraying, M1 = concentration of 10 ppm potassium nitrate, M2 = concentration of 20 ppm potassium nitrate, M3 = concentration of 10 ppm polyamines putrescine, M4=20 ppm concentration of polyamines putrescine). The results showed that the main effects of flooding stress and foliar application of putrescine and potassium nitrate have a significant effect on plant height, number of leaves, total dry weight, leaf greenness and enzyme activity (catalase, peroxidase and superoxide dismutase). The results showed the greatest increase in morphological traits was obtained by spraying 20 ppm of potassium nitrate or putrescine. Also spray 20 ppm potassium nitrate caused the greatest increase in the activity of catalase, peroxidase and superoxide dismutase.

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Type of Study: Research | Subject: Plant Growth Regulators
Received: 2017/07/15 | Accepted: 2018/01/27 | Published: 2019/07/23

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