Abstract
BackgroundTwo field experiments were carried out at the Agricultural Production and Research Station, National Research Centre (NRC), El-Nubaria Province, Behaira Governorate, Egypt, during two successive winter seasons to study the effect of glutathione (100, 200, and 300 mg/l) and/or selenium (5 and 10 mg/l) on growth, yield, and yield components of three wheat cultivars (Egypt-2; Shandaweel-1; Gemmeiza-11).ResultsThe results indicate that the Gemmeiza-11 cultivar was the most adapted cultivar to grow in the Nubaria region. Individually, glutathione at 300 mg/l or selenium at 10 mg/l caused the highest significant increases in shoot dry weight/plant of three wheat cultivars relative to other levels. Likewise, glutathione treatment at 300 mg/l was the optimum treatment in increasing photosynthetic pigments in three wheat cultivars. Selenium treatment at 10 mg/l was better than selenium treatment at 5 mg/l. Interaction between glutathione at 300 mg/l and selenium at 10 mg/l caused the highest significance increases in total photosynthetic pigments. It is obvious that glutathione at 300 mg/l or selenium at 10 mg/l as individual treatment showed the highest significant increase in grain yield (ton/fed).ConclusionGlutathione treatments at 200 or 300 mg/l interacted with selenium treatment at 10 mg/l showed the highest significant increases in grain yield and its components as compared with other treatments in three wheat cultivars. Moreover, It is noted that the highest increases in IAA and phenolic content in the leaves as well as the content of carbohydrate, flavonoid, and phenolic in the yielded grains appeared by the interaction between glutathione at 300 mg/l and selenium at 10 mg/l in the three wheat cultivars under investigation.
Highlights
Two field experiments were carried out at the Agricultural Production and Research Station, National Research Centre (NRC), El-Nubaria Province, Behaira Governorate, Egypt, during two successive winter seasons to study the effect of glutathione (100, 200, and 300 mg/l) and/or selenium (5 and 10 mg/l) on growth, yield, and yield components of three wheat cultivars (Egypt-2; Shandaweel-1; Gemmeiza-11)
This work aimed to study the promotive effect of glutathione (100, 200, 300 mg/l) and/or selenium (5, 10 mg/l) on the growth, quality, and quantity of three wheat cultivars grown under the environmental conditions of the Nubaria region
Regarding the interaction effect between two antioxidants on three wheat cultivars, data clearly show that interaction between glutathione and selenium with different levels caused significant increases in most of the studied parameters
Summary
Two field experiments were carried out at the Agricultural Production and Research Station, National Research Centre (NRC), El-Nubaria Province, Behaira Governorate, Egypt, during two successive winter seasons to study the effect of glutathione (100, 200, and 300 mg/l) and/or selenium (5 and 10 mg/l) on growth, yield, and yield components of three wheat cultivars (Egypt-2; Shandaweel-1; Gemmeiza-11). Dawood et al Bulletin of the National Research Centre (2020) 44:158 and nutrients deprivation. In this regard, great efforts must be paid to increase plant tolerance to these conditions by selecting tolerant genotypes and applying the optimum cultural practices and/or treating the seeds (before sowing) or plants (at different growth stages) with some regulating substances as antioxidants. Selecting tolerant wheat cultivar is one of the most important factors for increasing wheat production, where they differ in grain yield and its components (Sultan et al 2000). Antioxidants prevent the damage of important cellular constituents resulted by reactive oxygen species such as free radicals and peroxides that are produced under unfavorable conditions and caused damage to the cell (Kumar et al 2013)
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