Saghafi, A.A. and Zand, B. and Nasri, M. and Jaberiaghdam, M. (2013) Study of water use efficiency on yield and yield components on cultivars of corn, sorghum and millet in varamin region. Technical Journal of Engineering and Applied Sciences , 3 (23). pp. 3395-3398.
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Abstract
Water regulations have decreased irrigation water supplies inVaramin. When available water is not enough to meet crop water requirements during the entire growing cycle, it becomes critical to know the proper irrigation timing that would maximize yields and profits.In order to achieve of suitable yield underwater deficit stress on six forage cultivars in Varamin region. An experiment was conducted in Split plot, arranged in a Randomized complete block design with three replications at 2011 in research field of agricultural and natural resource research center Tehran. In this research, the main plots consisted of water deficit stress on two levels1-Normalirrigation 2-Irrigationbased on50%field capacity.Subplots were forage cultivars corn, sorghum and millet on six levels: 1- Corn (Ksc260) 2- Corn (Ksc400) 3- Sorghum (Speed feed) 4- Sorghum (Pegah) 5-millet (Pishahang) 6- millet (Bastan). Duncan’s multiple range tests (p< 0.05)was applied for mean separation when F values were.InteractionIn Comparisons result showed the highest of fresh and dry matter yield was obtained from normal irrigation and sorghum with 92496.3 and 23968.6 Kg/ha respectively. That had 63.4 and 61.6 percent increase yield to Irrigation based on50%field capacityand corn(Ksc260) with 33857.4 and 9187.6 Kg/ha respectively.However, there was not significant with sorghum and corn cultivars on dry matter yield and quality and quantity characteristics.Water deficit irrigationincreased sugar solution. The highest and Lowest WUE were obtained under normal irrigation* sorghum(pegah) and Irrigationbased on50%field capacity*Corn hybrids with average 0.88 (Kg.M3) and 0.53 (Kg.M3), respectively.Theresultsshowedsorghumand milletasthe suitablealternative tothefoodsupply at varamin region. Key word: Forage plants, Water deficit stress, WUE, Dry matter yield.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Forage plants, Water deficit stress, WUE, Dry matter yield. |
| Author Affiliation: | Department of Agronomy, Varamin- Pishva Branch, Islamic Azad University, Varamin,Iran |
| Subjects: | Soil Science and Microbiology Statistics and Experimentation Crop Improvement Plant Physiology and Biochemistry > Plant Physiology |
| Divisions: | Maize Millet Sorghum |
| Depositing User: | Ms Ishrath Durafsha |
| Date Deposited: | 23 Nov 2013 13:42 |
| Last Modified: | 23 Nov 2013 13:42 |
| Official URL: | http://tjeas.com/wp-content/uploads/2013/10/3395-3... |
| URI: | http://eprints.icrisat.ac.in/id/eprint/12142 |
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