Journal
JOURNAL OF FUNGI
Volume 8, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/jof8111178
Keywords
milpa fungal diversity; phosphorus bioavailability; plant-growth promotion; Vertisol; Andisol; germination speed; biomass yield
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The Capsicum genus is economically important and widely cultivated. Soil type significantly affects phosphorus availability for plants. This study found that different soil types and inoculation methods can enhance the growth and phosphorus absorption of chili plants.
The Capsicum genus has significant economic importance since it is cultivated and consumed worldwide for its flavor and pungent properties. In 2021, Mexico produced 3.3 billion tons on 45,000 hectares which yielded USD 2 billion in exports to the USA, Canada, Japan, etc. Soil type has a dramatic effect on phosphorus (P) availability for plants due to its ion retention. In a previous study, novel fungal isolates were shown to solubilize and mineralize P in different kinds of soils with different P retention capacities. The aim of this work was to study the effects of the mineralogy of different kinds of milpa soils on the germination, biomass production, and P absorption of chili plants (Capsicum annuum). The germination percentage, the germination speed index, and the mean germination time were significantly increased in the plants treated with dual inoculation. Foliar phosphorus, growth variables, and plant biomass of chili plants grown in a greenhouse were enhanced in different soil types and with different inocula. Correlation studies suggested that the most significant performance in the foliar P concentration and in the growth response of plants was achieved in Vertisol with dual inoculation of 7 x 10(6) mL(-1) spores per chili plant, suggesting this would be an appropriate approach to enhance chili cultivation depending on the soil type. This study stresses the importance of careful analysis of the effect of the soil type in the plant-microbe interactions.
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