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001-es BibID:BIBFORM107501
035-os BibID:(cikkazonosító)3016 (WOS)000887578700001 (Scopus)85142637501
Első szerző:Alharbi, Khadiga
Cím:Potassium Humate and Plant Growth-Promoting Microbes Jointly Mitigate Water Deficit Stress in Soybean Cultivated in Salt-Affected Soil / Khadiga Alharbi, Emadeldeen Rashwan, Emad Hafez, Alaa El-Dein Omara, Hossam Hussein Mohamed, Tarek Alshaal
Dátum:2022
ISSN:2223-7747
Megjegyzések:Lack of high-quality irrigation water and soil salinity are two main environmental factors that affect plant development. When both stressors are combined, the soil becomes sterile and constrains plant productivity. Consequently, two field trials were designed to assess whether plant growth-promoting microbes (PGPMs; Bradyrhizobium japonicum (USDA 110) and Trichoderma harzianum) and potassium humate (K-humate) can stimulate soybean growth, productivity, and seed quality under two different watering regimes as follows: (i) well-watered (WW), where plants were irrigated at 12-day intervals (recommended), and (ii) water stress (WS), where plants were irrigated at the 18-day intervals in salt-affected soil during 2020 and 2021 seasons. Results revealed that coupled application of PGPMs and K-humate resulted in a substantial improvement in K+ levels in the leaves compared to Na+ levels, which has a direct positive impact on an enhancement in the antioxidants defense system (CAT, PDX, SOD), which caused the decline of the oxidative stress indicators (H2O2 , MDA, and EL%) as well as proline content under water stress in salt-affected soil. Hence, a significant increase in root length, nodule weight, soybean relative water content (RWC), stomatal conductance, photosynthetic pigments, net photosynthetic rate, soluble protein, seed carbohydrate content as well as the number of pods plant(-1 )and seed yield was reported. In conclusion, the combined application of PGPMs and K-humate might be recommended to maximize the soybean growth and productivity under harsh growth conditions (e.g., water stress and soil salinity).
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Glycine max
PGPMs
plant growth stimulants
oxidative stress
antioxidant enzymes
watering regimes
soil salinity
Megjelenés:Plants-Basel. - 11 : 22 (2022), p. 1-22. -
További szerzők:Rashwan, Emadeldeen Hafez, Emad M. Omara, Alaa El-Dein Mohamed, Hossam Hussein Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist)
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