Plant biostimulants: innovative tool for enhancing plant nutrition in organic farming

被引：182

作者：

De Pascale, S. ^{[1
]}

Rouphael, Y. ^{[1
]}

Colla, G. ^{[2
]}

机构：

[1] Univ Naples Federico II, Dept Agr Sci, Portici, Italy

[2] Univ Tuscia, Dept Agr & Forestry Sci, Viterbo, Italy

来源：

EUROPEAN JOURNAL OF HORTICULTURAL SCIENCE | 2017年 / 82卷 / 06期

关键词：

arbuscular mycorrhizal fungi; humic acids; N-fixating bacteria; nutrient transporters; protein hydrolysates; P-solubilization; vegetables; yield gap; GROWTH-PROMOTING RHIZOBACTERIA; ARBUSCULAR MYCORRHIZAL FUNGI; NITRATE REDUCTASE-ACTIVITY; HUMIC ACIDS; NUTRIENT-UPTAKE; PHOSPHATE SOLUBILIZATION; PROTEIN HYDROLYSATE; SEAWEED EXTRACTS; FULVIC-ACIDS; AMINO-ACIDS;

D O I：

10.17660/eJHS.2017/82.6.2

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Organic farming has generated significant interest among consumers and scientists owing to their healthier and safer characteristics to human health. However, nutrient (N and P) availability has been identified to be a major yield-limiting factor in many organic farming systems. Plant biostimulants which are defined as substances (humic acids, protein hydrolysates and seaweed extracts) and/or microbial inoculants (plant growth promoting rhizobacteria, arbuscular mycorrhizal fungi and Trichoderma spp.) applied to plants with the aim to enhance plant resilience and also to improve nutrient uptake and translocation. This review focuses on how the plant biostimulants application can overcome nutrient limitation typical of organic systems by improving nutrient availability, uptake and assimilation, and consequently reducing the gap between organic and conventional yields. The agronomical, physiological and molecular responses conferring tolerance to nutrient deficiency were also covered. The review concluded by proposing several research areas to understand the specific application of plant biostimulants to improve the yield of organic horticulture.

引用

页码：277 / 285

页数：9

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