Record ID No. |
3273 |
Author(s) |
Aguirre-Medina J F., Moroyoqui-Ovilla D M., Mendoza-Lopez A., Cadena-Iniguez J., Avendano-Arrazate C H., Aguirre-Cadena J F. , 2011. |
Title |
Endomycorrhizic fungi and nitrogen-fixing bacteria inoculated in coffee nurseries. [Spanish] |
Source. Vol.(no):Page |
Agronomia Mesoamericana. 22(1): 71-80p. |
Categories |
Arbuscular Mycorrhiza |
Subjects |
Biological Interaction |
Sub-subjects |
Non-nodule forming nitrogen fixers |
Host |
Coffea arabica |
Organism |
Azospirillum brasilense, Glomus intraradice |
Abstracts |
In order to study the effect of bio-fertilization of Coffea arabica L. with Azospirillum brasilense and Glomus intraradice a trial was established in a nursery at the experimental station Rosario Izapa, Chiapas, Mexico from September 2005 to April 2006. We used a Andosol-mollic soil typical of the Soconusco coffee region of Chiapas, Mexico. A. brasilense had a concentration of 100x106 bacteria per gram of peat and the mycorrhizal fungi of 40 spores per gram of soil with 95% infection of the root system of onion. The treatments were the microorganisms alone, the combination of both, and the control without microorganism, which were arranged in a randomized complete block design. Morphological and physiological yield components were evaluated every 30 days from the second month to seven months. The content of N, P and Ca in plant tissue was determined. The results were analyzed statistically and differences between treatments were compared according to Tukey 5%. The results indicate a differential response of microorganisms. A. brasilense induced greater root development and the double symbiosis G. intraradices+A. brasilense enhanced the development of stems and leaf blades. The content of N, P and Ca are presented in a manner consistent with G. intraradices. |