Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region
In order to investigate the effects of sowing date (SD) and single irrigation (SI) amounts on yield and yield components of rainfed wheat varieties, a field experiment was conducted as split-split plots arranged in a randomized complete blocks design with three replications during 2002-2004 at main...
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| Format: | Article |
| Language: | fas |
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Isfahan University of Technology
2013-03-01
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| Series: | Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī |
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| Online Access: | http://jcpp.iut.ac.ir/browse.php?a_code=A-10-1-35&slc_lang=en&sid=1 |
| _version_ | 1828749134765490176 |
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| author | A. R. Tavakkoli |
| author_facet | A. R. Tavakkoli |
| author_sort | A. R. Tavakkoli |
| collection | DOAJ |
| description | In order to investigate the effects of sowing date (SD) and single irrigation (SI) amounts on yield and yield components of rainfed wheat varieties, a field experiment was conducted as split-split plots arranged in a randomized complete blocks design with three replications during 2002-2004 at main station of Dryland Agricultural Research Institute in Maragheh, Iran. Treatments included three sowing dates (early, normal and late), three levels of single irrigation (rainfed, 50 mm and 100 mm only at planting time) and five wheat varieties (three numbered lines, Azar2 and double-cross Shahi). Results revealed that interactions of SD, SI and wheat varieties were significant for grain yield, number of kernels per spike and water productivity (P≤0.01). Single irrigation at normal planting time increased grain yield, straw, biomass, harvest index, and water productivity. Grain yield and water productivity were increased by 131% and 84.8%, respectively. Single irrigation at late planting time was not significant on agronomic traits and produced low water productivity. Regarding the reaction of wheat to planting date and single irrigation, results showed that normal single irrigation can improve yield, yield components and water productivity index. The effectiveness of single irrigation under dryland conditions can be observed in all wheat cultivars. Although this effectiveness on yield and yield components is observable, but it is necessary to select the time of irrigation properly. |
| first_indexed | 2024-12-10T11:46:29Z |
| format | Article |
| id | doaj.art-d1fcdd1be47141539e785aea446684b5 |
| institution | Directory Open Access Journal |
| issn | 2251-8517 |
| language | fas |
| last_indexed | 2024-12-10T11:46:29Z |
| publishDate | 2013-03-01 |
| publisher | Isfahan University of Technology |
| record_format | Article |
| series | Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī |
| spelling | doaj.art-d1fcdd1be47141539e785aea446684b52022-12-22T01:50:03ZfasIsfahan University of TechnologyTulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī2251-85172013-03-01268797Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh RegionA. R. Tavakkoli0 Agric. Eng. Res. Department, Agricultural Research Center of Semnan Province (Shahrood), Shahrood, Iran. In order to investigate the effects of sowing date (SD) and single irrigation (SI) amounts on yield and yield components of rainfed wheat varieties, a field experiment was conducted as split-split plots arranged in a randomized complete blocks design with three replications during 2002-2004 at main station of Dryland Agricultural Research Institute in Maragheh, Iran. Treatments included three sowing dates (early, normal and late), three levels of single irrigation (rainfed, 50 mm and 100 mm only at planting time) and five wheat varieties (three numbered lines, Azar2 and double-cross Shahi). Results revealed that interactions of SD, SI and wheat varieties were significant for grain yield, number of kernels per spike and water productivity (P≤0.01). Single irrigation at normal planting time increased grain yield, straw, biomass, harvest index, and water productivity. Grain yield and water productivity were increased by 131% and 84.8%, respectively. Single irrigation at late planting time was not significant on agronomic traits and produced low water productivity. Regarding the reaction of wheat to planting date and single irrigation, results showed that normal single irrigation can improve yield, yield components and water productivity index. The effectiveness of single irrigation under dryland conditions can be observed in all wheat cultivars. Although this effectiveness on yield and yield components is observable, but it is necessary to select the time of irrigation properly.http://jcpp.iut.ac.ir/browse.php?a_code=A-10-1-35&slc_lang=en&sid=1Single irrigation Sowing date Water productivity. |
| spellingShingle | A. R. Tavakkoli Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī Single irrigation Sowing date Water productivity. |
| title | Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region |
| title_full | Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region |
| title_fullStr | Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region |
| title_full_unstemmed | Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region |
| title_short | Effects of Sowing Date and Limited Irrigation on Yield and Yield Components of Five Rainfed Wheat Varieties in Maragheh Region |
| title_sort | effects of sowing date and limited irrigation on yield and yield components of five rainfed wheat varieties in maragheh region |
| topic | Single irrigation Sowing date Water productivity. |
| url | http://jcpp.iut.ac.ir/browse.php?a_code=A-10-1-35&slc_lang=en&sid=1 |
| work_keys_str_mv | AT artavakkoli effectsofsowingdateandlimitedirrigationonyieldandyieldcomponentsoffiverainfedwheatvarietiesinmaraghehregion |