期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 67, 期 7, 页码 1814-1822出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.8b06503
关键词
Glycine max; plant biostimulants; bioactive metabolites; plant-microbe interaction; Trichoderma; oilseed crop
资金
- MIUR-PON [Linfa 03PE_00026_1, Marea 03PE_00106]
- MIUR-GPS [Sicura DM29156]
- Regione Puglia [SIX 1410-12/06/2015]
- [KENYA-AID: 10306/CEFA/KEN]
Trichoderma fungi are effectively marketed worldwide as biocontrol agents and plant biostimulants on numerous crops due to their demonstrated effects in direct antagonism against fungal pathogens and plant growth promotion. Here, we examined the effects of single and combined applications of Trichoderma strains and their bioactive metabolites (BAMs) harzianic acid (HA), 6-pentyl-alpha-pyrone (6PP), and hydrophobin1 (HYTLO1) on the growth, yield, and nutrient uptake of soybean plants. Significant promotion of plant growth (up to 39%), as well as an increase in mineral content, was achieved with BAMs, used alone or combined with T. harzianum. Interestingly, the treatments also increased the level of fatty acids (oleic, linolenic, 11-eicosenoic, and stearic). This work demonstrates the usefulness of natural compound and microbe combinations to enhance oilseed productivity, and reports for the first time the ability of Trichoderma and/or its BAMs to increase the lipid content in harvested seeds.
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