Path analysis of phosphorus content in different irrigated corn constituents
DOI:
https://doi.org/10.33448/rsd-v11i2.25568Keywords:
Commodity; Zea mays; Multivariate statistics; Mean grain weight.Abstract
Corn in contemporary times has become the most produced grain in the world. Therefore, this work aimed to evaluate the effect of phosphorus absorption on the biometric and productive characteristics of corn in the V6, V8, flowering and harvest phases. The attributes evaluated were: phosphorus content, fresh leaf mass at flowering, stem fresh mass at flowering, leaf dry mass at flowering, stem dry mass at flowering, stem dry mass, stem fresh mass, fresh mass of leaf at harvest, leaf dry mass, leaf fresh mass in V6, leaf dry mass in V6, stem fresh mass in V6, stem dry mass in V6, stem dry mass in V8, stem fresh mass in V8 , fresh sheet mass in V8, dry sheet mass in V8. Through the path analysis, it was possible to establish correlations between these variables that are indicative of corn productivity and quality. Results show, by Pierson's correlation, that stem fresh mass and stem dry mass in the different phases studied, present high levels of positive correlation, indicating that their fresh and dry masses tend, after tests and analysis, to have close relationships. As conclusions, it is understood that in a direct and positive way phosphorus had a greater correlation with the average weight of grains. Direct and negative effect, only fresh leaf mass on flowering obtained considerable results in relation to phosphorus content.
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Copyright (c) 2022 Reginaldo Miranda de Oliveira; Rubens Alves de Oliveira; Tulio Russino Castro; Margareth Evangelista Botelho; Raquel Dias Rodrigues; Gloria Milena Rojas Plazas; Tayssa Menezes Franco; Job Oliveira
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