Abstract

PEREZ-MADRUGA, Yanebis; ROSALES-JENQUIS, Pedro Rafael; MENENDEZ, Daimy Costales-  and  FALCON-RODRIGUEZ, Alejandro. Combined application of chitosan and AMF in corn yield. cultrop [online]. 2019, vol.40, n.4  Epub Dec 01, 2019. ISSN 1819-4087.

Two experiments were carried out in field conditions, with the objective of evaluating the QuitoMax® and EcoMic® biostimulants, alone and in combination, in the yield of two varieties of corn (Zea mays L.), during the years 2015 and 2016. In both Experiments, the biostimulants were applied by imbibition of grains in QuitoMax® solutions, which were then pelletized with EcoMic®, prior to sowing and, subsequently, the plants were sprinkled in the leaf area with QuitoMax®. In the first experiment, the different combinations of the bioproducts stimulated the majority of the yield components of corn, Creole variety. In the second, the treatment of the grains with QuitoMax® and EcoMic® stimulated the diameter of the ear, the number of rows of grains and the agricultural yield of the P 7928 variety, together with the foliar sprinkling of QuitoMax® in the crop. In the Creole variety, the treatment of the grains prior to sowing with QuitoMax® and EcoMic® followed by the foliar spray of QuitoMax®, increased the yield with respect to the pelletized control with EcoMic® by 62 %, while in the P 7928 variety, both the treatments of each product alone and their combinations, increased the yield with respect to the untreated control between 15 and 22 %. In general, corn yield increased significantly with the use of biostimulants, which suggests that application in the field of EcoMic® and QuitoMax®, alone and in combination, is a recommended option to increase crop yields, depending on variety.

Keywords : biostimulants; biofertilizers; mycorrhizae; polymers.

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