International Journal of Applied Agricultural Sciences
Volume 2, Issue 4, July 2016, Pages: 56-63
Received: May 14, 2016;
Accepted: Jun. 3, 2016;
Published: Jun. 20, 2016
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Saad Flaih Hassan, Directorate of Agricultural Researches, Ministry of Agriculture, Baghdad, Iraq
Shadha Abdulhasan Ahmed, College of Agriculture, University of Baghdad, Baghdad, Iraq
Layla Ismail Mohammed, College of Agriculture, University of Baghdad, Baghdad, Iraq
Musaab Abdulelah Yasir, Ministry of Education, Vocational Education Directorate, Baghdad, Iraq
A field trial was conducted at Experimental Field of Field Crop Department of College of Agriculture-Abu-Graib during 2011 and 2012 seasons to investigate the effect of potassium level in growth, lint yield and its components of cotton (Gossypium hirsutum L.) cultivar Lashata was grown under abundance and deficit water conditions. Split plot arrangement with randomized complete block design was used with three replicates. Irrigation intervals occupied main plots (Irrigation weekly and each two weeks) while potassium levels (0, 220, 280, 340, 400 kg k2O5/ha) occupied subplots. The statistical analysis showed superiority of irrigation at two weeks of seed cotton yield (3.75 t/h), number of open bolls per plant (20.47), number of sympodium per plant (19.65 and 17.27), ginning percentage (37.47) and water use efficiency (0.38 kg/m3). There were significant effect of potassium in traits. The level 340 kg K2O5/ha was gave the highest seed cotton yield (3.87 t/ha) due to attained the highest number of open bolls (29.25 bolls per plant for first season and gave 3.71 t/ha at 280 kg K2O5/ha due to higher boll weight (3.57 g) for second season. It could be conclude irrigation at two weeks with apply 280 kg K2O5/ha hadk attained the highest seed cotton and ginning percentage to reduce water requirements of cotton in central region of Iraq.
Saad Flaih Hassan,
Shadha Abdulhasan Ahmed,
Layla Ismail Mohammed,
Musaab Abdulelah Yasir,
Response of Cotton to Potassium Levels Under Water Regime, International Journal of Applied Agricultural Sciences.
Vol. 2, No. 4,
2016, pp. 56-63.
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