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Growth, yield, and quality of roselle (Hibiscus sabdariffa L.) plants as affected by nano zinc and bio-stimulant treatments
Horticulture, Environment, and Biotechnology ( IF 2.4 ) Pub Date : 2021-07-06 , DOI: 10.1007/s13580-021-00371-w
Yahya Zakaria Hassanein 1 , Wagdi Saber Soliman 1 , Sabri Salaheldin 1 , S. S. A. Abdel-Rahman 2
Affiliation  

Nanoparticles are one of the most widely studied materials in this century, and they have important uses in various fields, including agriculture. Bio-stimulants play a vital role in the sustainable development of horticultural crops. The aim of this study was to assess the effect of nano zinc and bio-stimulants (salicylic acid, moringa extract, seaweed extract) on growth, yield, and quality of roselle plants. The experiment was conducted during 2018 and 2019 and was a completely randomized split-plot design. Nano zinc oxide of 0, 5, 10, and 15 ppm was used as the main plot, and bio-stimulants were used as the sub-plot. The results showed that application of nano zinc led to significant increases in growth, yield, photosynthetic pigments, as well as anthocyanin content associated with increased zinc content in leaves. The highest values ​​of all traits ​​occurred under treatment of 10 ppm of nano zinc. Also, bio-stimulants showed positive effects on all traits, and the best results were achieved under treatment with seaweed, followed by moringa extract. The correlation coefficients showed significant positive correlations among calyxes yield and anthocyanin and zinc content as well as with other growth traits and photosynthetic pigments. These results highlighted the important role of nano zinc in improving the growth, yield, and quality of the roselle plant, as well as the positive effects of seaweed as a bioactive stimulant. Therefore, it is recommended to include nano zinc and seaweed extract in fertilization programs for achieving a sustainable production system of such crops.



中文翻译:

纳米锌和生物刺激素处理对洛神花(Hibiscus sabdariffa L.)植物的生长、产量和品质的影响

纳米粒子是本世纪研究最广泛的材料之一,它们在包括农业在内的各个领域都有重要用途。生物刺激素在园艺作物的可持续发展中起着至关重要的作用。本研究的目的是评估纳米锌和生物刺激剂(水杨酸、辣木提取物、海藻提取物)对洛神花植物生长、产量和质量的影响。该实验在 2018 年和 2019 年期间进行,是一种完全随机的裂区设计。0、5、10、15 ppm的纳米氧化锌作为主图,生物刺激素作为副图。结果表明,施用纳米锌显着增加了生长、产量、光合色素以及与叶片中锌含量增加相关的花青素含量。所有性状的最高值发生在 10 ppm 纳米锌处理下。此外,生物刺激素对所有性状均表现出积极影响,海藻处理效果最佳,其次是辣木提取物。相关系数表明,花萼产量与花青素和锌含量以及其他生长性状和光合色素呈显着正相关。这些结果突出了纳米锌在改善洛神花植物的生长、产量和质量方面的重要作用,以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。生物刺激素对所有性状均表现出积极影响,海藻处理效果最佳,其次是辣木提取物。相关系数表明,花萼产量与花青素和锌含量以及其他生长性状和光合色素呈显着正相关。这些结果突出了纳米锌在改善洛神花植物的生长、产量和质量方面的重要作用,以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。生物刺激剂对所有性状均显示出积极影响,海藻处理效果最佳,其次是辣木提取物。相关系数表明,花萼产量与花青素和锌含量以及其他生长性状和光合色素呈显着正相关。这些结果突出了纳米锌在改善洛神花植物的生长、产量和质量方面的重要作用,以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。相关系数表明,花萼产量与花青素和锌含量以及其他生长性状和光合色素呈显着正相关。这些结果突出了纳米锌在改善洛神花植物的生长、产量和质量方面的重要作用,以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。相关系数表明,花萼产量与花青素和锌含量以及其他生长性状和光合色素呈显着正相关。这些结果突出了纳米锌在改善洛神花植物的生长、产量和质量方面的重要作用,以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。以及海藻作为生物活性兴奋剂的积极作用。因此,建议在施肥计划中加入纳米锌和海藻提取物,以实现此类作物的可持续生产系统。

更新日期:2021-07-06
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