Relationship between morpho-agronomic traits in tomato hybrids

Abstract

The objective of this study was to identify and estimate the relationships between production component variables and fruit yields in tomatoes. This experiment was conducted in a randomized block design with a 2×3×3 factorial arrangement, with two tomato hybrids (Netuno and San Vito), three doses of boron (H3BO3 - 0, 2, 4 g pit1) and three calcium floral applications (no application; application every 7 days; and application every 14 days), totaling 18 treatments with four replications and 20 plants per plot. Pearson correlation coefficients were estimated between the measured variables and, after that, those with greater significance were selected for productivity with the Stepwise method and verification of multicollinearity using the number of condition and inflation factor of the variance. The correlations of the selected variables were decomposed into direct and indirect effects on fruit productivity with path analysis. There was a strong correlation between the variables, excluding the variables height, diameter and average mass of the fruits. Thus, there were cause and effect relationships between the independent variable total mass of the fruits and the principal variable total fruit yield. The variables diameter and total number of fruits did not contribute to an increased tomato production.

Introgression of the Self-Pruning Gene into Dwarf Tomatoes to Obtain Salad-Type Determinate Growth Lines

“…Yield is correlated with NFP [ 61 ]. Hybrid 3 showed the highest NFP and one of the highest AFW values, resulting in the highest productivity among the treatments evaluated.…”

Indirect Selection for Seed Yield in Sacha-Inchi (Plukenetia volubilis) in Brazil

“…These predictions are greater than those of Valente et al [11], who selected ten progenies, managed them in the same area, under the same conditions used in the present study, and reported a mean yield of 763 g•plant −1 , or 847 kg.ha −1 . Plant breeding for yield and quality traits in fruits is complex due to the polygenic nature of these traits and the existence of genetic correlations among them [38][39][40][41].…”

Relação entre os atributos produtivos associados ao desempenho agronômico de híbridos de tomate, salada indeterminado

“…Silva (2019), observou correlação positiva (r=0,95) entre a característica de número de frutos e produtividade total Diel et al (2019). verificou correlação positiva entre número de frutos por planta e produtividade total (r= 0,98) Sari et al (2017),.…”