Synergistic effect of biochar-based compounds from vegetable wastes and gibberellic acid on wheat growth under salinity stress

文献类型： 外文期刊

第一作者： Anwar, Tauseef

作者： Anwar, Tauseef;Munwwar, Fahmida;Qureshi, Huma;Siddiqi, Ejaz Hussain;Hanif, Asma;Anwaar, Sadaf;Gul, Sarah;Gul, Sarah;Alwahibi, Mona S.;Kamal, Asif

作者机构： Islamia Univ Bahawalpur, Fac Chem & Biol Sci, Dept Bot, Baghdad Ul Jadeed Campus, Bahawalpur 63100, Pakistan;Univ Chakwal, Dept Bot, Chakwal 48800, Pakistan;Univ Gujrat, Dept Bot, Gujrat 50700, Pakistan;Islamia Univ Bahawalpur, Dept Bot, Bahawalnagar Campus, Bahawalpur 62300, Pakistan;Int Islamic Univ, Dept Biol Sci, Islamabad 44000, Pakistan;Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Minist Agr,Genom Anal Lab, Shenzhen Branch,Guangdong Lab Lingnan Modern Agr, Shenzhen 518124, Peoples R China;King Saud Univ, Dept Bot & Microbiol, Coll Sci, Riyadh 11451, Saudi Arabia;Quaid i Azam Univ, Fac Biol Sci, Dept Plant Sci, Islamabad 45320, Pakistan

期刊名称：SCIENTIFIC REPORTS （ 2022影响因子：4.6； 五年影响因子：4.9 ）

ISSN： 2045-2322

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Soil salinization is a prevalent form of land degradation particularly in water-deficient regions threatening agricultural sustainability. Present desalinization methods demand excessive water use. Biochar has been recognized as a potential remedy for saline soils and Gibberellic acids (GA3) are known to mediate various biochemical processes aiding in stress mitigation. This study was undertaken at The Islamia University of Bahawalpur during winter 2022-23 to explore the combined effect of biochar and GA3 on wheat (Triticum aestivum L.) in saline conditions. Employing a fully randomized design wheat seeds in 24 pots were subjected to two salinity levels with three replications across eight treatments: T1 to T8 ranging from controls with different soil electrical conductivities (ECs) to treatments involving combinations of GA3, biochar and varying soil ECs. These treatments included T1 (control with soil EC of 2.43dS/m), T2 (salinity stress with soil EC of 5.11dS/m), T3 (10 ppm GA3 with soil EC of 2.43dS/m), T4 (10 ppm GA3 with soil EC of 5.11dS/m), T5 (0.75% Biochar with soil EC of 2.43dS/m), T6 (0.75% Biochar with soil EC of 5.11dS/m), T7 (10 ppm GA3 combined with 0.75% biochar at soil EC of 2.43dS/m) and T8 (10 ppm GA3 plus 0.75% biochar at soil EC of 5.11dS/m). The results indicated that the combined applications of GA3 and biochar significantly enhanced plant growth in saline conditions viz. germination rate by 73%, shoot length of 15.54 cm, root length of 4.96 cm, plant height of 16.89 cm, shoot fresh weight 43.18 g, shoot dry weight 11.57 g, root fresh weight 24.26 g, root dry weight 9.31 g, plant water content 60.77%, photosynthetic rate 18.58(CO2 m(-2) s(-1)) carotenoid 3.03 g, chlorophyll a 1.01 g, chlorophyll b 0.69 g, total chlorophyll contents by 1.9 g as compared to the control. The findings suggest that the combined application of these agents offers a sustainable and effective strategy for cultivating wheat in saline soils. The synergy between biochar and GA3 presents a promising avenue for sustainable wheat cultivation in saline conditions. This combined approach not only improves plant growth but also offers an innovative, water-efficient solution for enhancing agricultural productivity in saline-affected regions.

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