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Abstract
To investigate the effect of foilar application of salicylic rates and yeast extracton yield and quality of wheat, in this respect the two experiments were carried out at the Experimental Farm, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria Governorate, Egypt, during the two winter seasons of 2019/2020 and 2020/2021. This factorial experiment was laid out in randomized complete block design (RCBD) with three replications in both seasons. The first factor was salicylic acid concentrations (spray water, 150, 300 and 450 ml/l), while the second factor was yeast (water = control, 2, 4 and 6 g/l water) was in both seasons. The obtained results showed that foliar application of salicylic acid (SA) and yeast extract of wheat significantly affected yield and its component, whereas increasing of SA and yeast extract increased yield and yield component characters of wheat in both seasons. The interaction between SA and yeast was significant on all the studied characters, where planting Giza 171 with foliar application of 450 ppm SA/L and 4 and 6 g yeast/L recorded the highest ones in the two seasons under the study conditions.
Highlights
Wheat (Triticum aestivum L.) is the most important world’s leading cereal crop
The aims of this study were to: 1- Study the effect of salicylic acid (SA) and yeast extracts on yield and yield components of wheat, and 2- study the interaction effect between salicylic acid (SA) and yeast extracts concentrations on yield and its components characters of wheat to determine the best combination, which will increase the production of wheat and avoid exposure of the crop to salt stress
The results presented in Tables (2 and 3) showed the effect of salicylic acid (SA) concentrations, yeast extract and their interaction on a number of spikes/m2, number of spikelets/spike, number of grains/spikes, 1000- grain weight (g), grain yield, straw yield, biological yield (t/fed) and harvest index (HI%) during 2019/2020 and 2020/2021 seasons
Summary
Wheat (Triticum aestivum L.) is the most important world’s leading cereal crop. In Egypt, wheat is considered the chief crop used as a source of human food. Wheat is the essential crop in Egypt and grows on an area of 3.39 million faddan (faddan = 4200 m2) with an annual production of about 9.28 million tonnes and with an average yield of 2.74 tons per feddan (FAO, 2019). Salinity as an abiotic stress agent is one of the most vital factors appearing in areas categorized by low amounts of freshwater, high evapotranspiration rate, and lack of precipitation, which has a harmful effect on crop production. Salt stress affects major crop processes as photosynthesis, protein synthesis and lipid metabolism (Parvaiz and Satyawati, 2008).
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