Scholarlink

<p>Prolonged recurrent episodes of drought are steadily becoming the norm amidst climate crisis phenomena such as global warming. Date palm (<i>Phoenix dactylifera</i> L.), relevant to food security programs, continues to underperform under droughted-environing conditions. Biostimulants, namely arbuscular mycorrhizal fungi (AMF), plant growth-promoting rhizobacteria (B), and compost (C) are widely reported for their beneficial effects on crops under water stress. Therefore, the present case study evaluated the effects of AMF and/or B and/or C on biometric parameters of date palm vitroplants and soil properties after five years of drought in the field. A droughted-field trial was installed and continued for 60 months, where 12-month-droughted date palm vitroplants, treated with the selected biostimulants, were transplanted from a greenhouse environment, and optimally (well-irrigated (WW), 1,536&#xa0;mm) and deficiently (irrigation deficiency (WD), 768&#xa0;mm) drip-irrigated thrice a week as the irrigation events. Parameters related to plant growth and physiology, as well as soil properties were assessed. AMF and/or B and/or C mostly positively impacted the assessed biometric date palm vitroplants’ attributes as well as soil properties. Interestingly, AMF + C + B performed the best under WD, compared to control treatments, with shoot height (SH) improved by 17.40%, leaf number (LN) increased by 74.07%, and leaflet number (LFLT N) elevated by 39.51%. Physiologically, stomatal conductance (gs) was enhanced by 64.56% and quantum yield of photosystem II (F<sub>v</sub>/F<sub>m</sub>) was increased by 7.05%. At the level of the soil, available phosphorus (AP) was notably increased by 58.52% with AMF + C. Besides, the organic carbon and matter pool was improved with C combined with AMF and/or B under WD. The present case study provides initial insights into the promising potential of the tested biostimulants on date palm vitroplants and the soil subject to 60 months of prolonged drought under semi-arid conditions. The obtained results, thus, serve as an encouraging preliminary basis for further investigation.</p> Graphical Abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Biometric Parameters of Date Palm (Phoenix dactylifera L.) Vitroplants and Soil Properties Evolved with Biostimulants after Five Years of Field Drought

  • 期刊论文

  • 发表日期：

    2025年3月19日

查看全文
  • Fatima-Zahra Akensous,
  • Mohamed Anli,
  • Naira Sbbar,
  • Abdelhamid Aouabe,
  • Abdelilah Meddich

摘要

Prolonged recurrent episodes of drought are steadily becoming the norm amidst climate crisis phenomena such as global warming. Date palm (Phoenix dactylifera L.), relevant to food security programs, continues to underperform under droughted-environing conditions. Biostimulants, namely arbuscular mycorrhizal fungi (AMF), plant growth-promoting rhizobacteria (B), and compost (C) are widely reported for their beneficial effects on crops under water stress. Therefore, the present case study evaluated the effects of AMF and/or B and/or C on biometric parameters of date palm vitroplants and soil properties after five years of drought in the field. A droughted-field trial was installed and continued for 60 months, where 12-month-droughted date palm vitroplants, treated with the selected biostimulants, were transplanted from a greenhouse environment, and optimally (well-irrigated (WW), 1,536 mm) and deficiently (irrigation deficiency (WD), 768 mm) drip-irrigated thrice a week as the irrigation events. Parameters related to plant growth and physiology, as well as soil properties were assessed. AMF and/or B and/or C mostly positively impacted the assessed biometric date palm vitroplants’ attributes as well as soil properties. Interestingly, AMF + C + B performed the best under WD, compared to control treatments, with shoot height (SH) improved by 17.40%, leaf number (LN) increased by 74.07%, and leaflet number (LFLT N) elevated by 39.51%. Physiologically, stomatal conductance (gs) was enhanced by 64.56% and quantum yield of photosystem II (Fv/Fm) was increased by 7.05%. At the level of the soil, available phosphorus (AP) was notably increased by 58.52% with AMF + C. Besides, the organic carbon and matter pool was improved with C combined with AMF and/or B under WD. The present case study provides initial insights into the promising potential of the tested biostimulants on date palm vitroplants and the soil subject to 60 months of prolonged drought under semi-arid conditions. The obtained results, thus, serve as an encouraging preliminary basis for further investigation.

Graphical Abstract