Evaluation of grain yield performance of seven (Triticum durum Desf.) genotypes grown under semi-arid conditions during two crop seasons in the eastern of Algeria

Agricultural Science and Technology Pub Date : 2022-09-01 DOI:10.15547/ast.2022.03.033

B. Frih, A. Oulmi, A. Guendouz, S. Benkadja

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Abstract

Abstract. The aim of this study was to test the adaptability of seven (Triticum durum Desf.) genotypes grown under semi-arid conditions. The experiment was carried out at the Agricultural Experimental Station of Setif (Algeria), in a design of random blocks with three replications; the plant material used in this study consisted of seven genotypes (Triticum durum Desf.). At maturity, the following parameters were measured: grain yield; economic yield; above ground biomass; number of spikes per meter square; number of grain per spike; harvest index; thousand kernel weight and plant height. Number of days to heading was accounted from sown date. ANOVA showed that genotype and crop season effect were highly significant with all traits studied. MBB and Boussellem genotypes were the most suitable genotypes; they had good ranking under both crop seasons according to their results for all traits studied. 2016/2017 was the best crop season; it recorded the best values of grain yield and the majority of the traits studied. The interaction genotype X crop season was highly significant for all traits studied.The correlations among traits under both crop season showed that grain yield was significantly correlated with economic yield and number of grains per spike. A high significant correlation was observed between economic yield and above ground biomass under both crop seasons. Number of days to heading was significantly correlated with plant height under both crop seasons.

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阿尔及利亚东部两个作物季节在半干旱条件下生长的七种（硬粒小麦）基因型的粮食产量表现评估

摘要本研究的目的是测试在半干旱条件下生长的七种（硬粒小麦）基因型的适应性。实验在塞蒂夫（阿尔及利亚）农业实验站进行，采用随机区块设计，进行三次重复；本研究所用的植物材料由七个基因型（Triticum durum Desf）组成；经济收益率；地上生物量；每平方米的尖峰数量；每穗粒数；收获指数；千粒重和株高。从播种日期算起，播种天数。方差分析表明，基因型和作物季节效应对所研究的所有性状都非常显著。MBB和Boussellem基因型是最合适的基因型；根据他们研究的所有性状的结果，他们在两个作物季节都有很好的排名。2016/2017年是作物生长最好的季节；它记录了粮食产量和所研究的大多数性状的最佳值。交互作用基因型X作物季节对所研究的所有性状都具有高度显著性。两个生长季性状间的相关性表明，粮食产量与经济产量和穗粒数显著相关。在两个作物季节，经济产量和地上生物量之间都存在高度显著的相关性。在两个作物季节下，抽穗天数与植株高度显著相关。

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Agricultural Science and Technology

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11 weeks