Effect of Sowing Date on Grain Yield and Yield Components of Wheat Cultivars under Dryland Condition

¹Department of Ecological Agriculture Sciences, College of Agriculture and Natural resources, Gonbad Kavous University, Gonbad Kavous, Golestan Province, Iran.

²Department of Plant Production, College of Agriculture and Natural resources, Gonbad Kavous University, Gonbad Kavous, Golestan Province, Iran.

³Horticulture Crops Research Department, Mazandaran Agricultural and Natural Resources Research and Education Center, AREEO, Sari, Iran.

*Corresponding author: Abbas Biabani

Published: October 15,2021

Abstract

In order to study the effects of sowing date and spring wheat cultivars on yield and yield components a split plot experiment based on randomized complete blocks design with three replications was carried out in the Research Farm of Gonbad University, Iran in 2013-2014, 2014-2015. Sub-plots included planting dates (4th and 19th of November, 3rd, and 18th of December, 2nd, and 18th of January, 8th, and 23rd of February, and 9th of March). The main plots were spring wheat cultivars (Khazar 1, Falat, Zagros, Kuhdasht, and Kareem). The results showed that a delayed planting date reduced the number of days from planting to flowering, therefore plant height and removable storage material reduced in the seed. Delay in planting reduced number of spike, number of seeds per plant, grain weight per spike and grain weight, also reduced yield. The highest grain yield was obtained from the planting date i.e. 4th November in the year 2013-2014 with 4,178.3 kg ha^-1 per hectare and in the year 2014-2015 with 3,194.13 kg ha^-1. The lowest grain yield was obtained from the delayed sowing date i.e. 9th March in the year 2013-2014 with 762.2 kg ha^-1 and in the year 2014-2015 with 920.58 kg ha^-1 respectively. Among the cultivar, Kuhdasht in years 2013-2014, 2014-2015 (2,005.7 and 2,244.99 kg, respectively) and in the year 2013-2014 Zagros (1,830.9 kg) and in the year 2014-2015 Falat (1,645.83 kg) had the highest and the lowest yield, respectively. In general, the best cultivar was Kuhdasht and the best planting date was 4th November.

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How to cite this paper

Effect of Sowing Date on Grain Yield and Yield Components of Wheat Cultivars under Dryland Condition

How to cite this paper: Galdi Mohammad Bahalkeh, Abbas Biabani, Hossein Sabouri, Hossein Ali Fallahi. (2021) Effect of Sowing Date on Grain Yield and Yield Components of Wheat Cultivars under Dryland Condition. International Journal of Food Science and Agriculture, 5(4), 574-583.

DOI: http://dx.doi.org/10.26855/ijfsa.2021.12.003

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Effect of Sowing Date on Grain Yield and Yield Components of Wheat Cultivars under Dryland Condition

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