微生物生物肥料和基于藻类的生物刺激剂影响有机加工番茄的水果产量特征
Valentina Quintarelli1, Daniele Borgatti1, Mattia Baretta1
1Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Ferrara, Italy.
Journal of the science of food and agriculture
|August 31, 2024
概括
该研究发现,结合促进植物生长的微生物 (PGPMs) 和基于藻类的生物刺激剂,在有机农业中显著提高了西红的生长和产量. 具体来说,PGPM_2具有1.0%的生物刺激剂率,最大限度地提高了产量.
科学领域:
- 农业科学 农业科学
- 植物科学 植物科学
- 微生物学 微生物学
背景情况:
- 可持续农业依赖于微生物生物肥料和藻类生物刺激剂.
- 实地实验是在意大利费拉拉的一个有机农场进行的,持续了两个生长季节.
- 这项研究评估了两种植物生长促进微生物 (PGPM) 和两种藻类生物刺激剂在西红 (Solanum lycopersicum L.) 上的剂量.
研究的目的:
- 评估PGPM和基于藻类的生物刺激剂在增强番茄生长和产量的有效性.
- 确定生物刺激剂与PGPM结合的最佳应用速率.
- 评估这些处理对关键植物生理参数和水果质量的影响.
主要方法:
- 使用了三次复制的分裂图的实验设计.
- 移植时使用PGPM;移植后15天和30天使用生物刺激剂.
- 植物特征 (生物质,高度,叶数),生理指数 (SPAD,NDVI,LAI,PPFD) 和番茄产量被监测和确定.
主要成果:
- 与PGPM_1和无接种相比,PGPM_2显著增加了芽和根生物量,植物高度和叶数.
- 这两种PGPM都改善了SPAD,NDVI,PPFD和LAI值.
- 基于藻类的1.0%生物刺激剂率 (Biost_1.0%) 导致了最高的生长参数,PGPM_2-Biost_1.0%实现了最大产量 (67.2t ha-1).
结论:
- 微生物生物肥料和基于藻类的生物刺激剂是环保有机农业实践的有效组成部分.
- 特定的PGPM和基于藻类的生物刺激剂的联合应用可以优化番茄的生产.
- 这些发现支持将生物投入纳入可持续作物管理和产量提升.
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