Abstract
Potato is the fourth most consumed food product around the world and one of the most
produced crops worldwide, due to its nutritional and culinary properties. This crop is
affected by certain pests such as phytopathogenic fungi, which frequently attack roots
and tubers, extracting their nutrients and decreasing their yield. Consequently, our
research is focused in finding an environmentally friendly alternative to improve the
nutrition of the crop and prevent the attack of pathogens that exist mostly in soils with
poor conditions. One of the ways to reduce the use of fertilizers and pesticides, is the
application of beneficial microorganisms, among them Arbuscular mycorrhizal fungi
(AMF) and Trichoderma harzianum. Arbuscular mycorrhizal fungi create symbiosis
with the plant and improve mineral absorption with a significant efficiency.
Trichoderma harzianum is an effective biological control agent, it induces the defensive
response of plants and stimulates plant growing. This investigation evaluated the
interaction between Arbuscular mycorrhizal fungi (AMF) and Trichoderma harzianum
in the development and nutrition of potato plants (Solanum phureja), showing
increasing leaf area, biomass (total, aerial and root) and root length in plants inoculated
with each of the microorganisms compared to the plants without inoculation (control
treatments) and chemical fertilizer applied plants. Namely, the presence of AMF,
Trichoderma harzianum and the variation of concentrations of peat at 30% and 50%
improved the development, growth and nutrition of potato plants.
Galindo, Darwin Rueda, Pedro Romero, Sikandar I. Mulla. (2018) Evaluation of the interaction of arbuscular mycorrhizal fungi and Trichoderma harzianum in the development and nutrition of potato plants (Solanum phureja), Asian Journal of Agriculture and Biology, Volume 6, Issue 3.
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