Evaluation of the Application of HeberNem-S® in open-field papaya cultivation
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Abstract
The bionematicide and biofertilizer HeberNem-S® has been successfully used in protected and semi-protected crops, demonstrating its effectiveness in stimulating germination, growth, and flowering. However, its use in unprotected crops has not been sufficiently studied. This study represents the first evaluation of the effect of HeberNem-S® on vegetative growth and agricultural productivity in papaya cultivation under open-air conditions. The trial was conducted at the El Jibao farm in Camagüey, using seedlings of the Maradol Roja variety. A four-application schedule of HeberNem-S® was followed: at transplantation, and 40, 100, and 160 days later. In treated plants, morphophysiological indicators such as plant height and stem diameter increased significantly compared to the control group. Furthermore, flowering and fruiting occurred earlier in plants that received HeberNem-S® compared to the control group and compared to the variety reported for the same group. Agricultural production indicators also increased significantly: number of flowers and fruits per plant, length and diameter of technically ripe fruit, and average fruit weight, with an estimated yield of 87 kg/ha at the end of the crop, higher than the average reported in Cuba of 50 kg/ha. These results demonstrate the stimulating effect of HeberNem-S® on vegetative growth and agricultural productivity in papaya cultivation under open-air conditions.
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