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Diallel analysis of popcorn populations for yield, popping expansion and resistance to fall armyworm.

Diallel analysis of popcorn populations for yield, popping expansion and resistance to fall armyworm.

Authors :
Peterlini, Edicarlos
Barth Pinto, Ronald José
Alberto Scapim, Carlos
Ary Rizzardi, Diego
Bengosi Bertagna, Filipe Augusto
do Amaral Júnior, Antônio Teixeira
Source :
Revista Ceres; Jul/Aug2020, Vol. 67 Issue 4, p288-295, 8p
Publication Year :
2020

Abstract

The objective of this study was to estimate the varietal and heterotic effects related to grain yield, popping expansion and resistance of popcorn against fall armyworm. Twelve open-pollinated varieties were intercrossed in a complete diallel mating scheme. The 66 experimental hybrids, together with their parents and controls Zapalote Chico, BRS 1030 and IAC 125, resulted in a total of 81 treatments, evaluated in an experiment in a 9x9 triple-square lattice design, in Maringá-PR and Araruna-PR. The data were analyzed according to the diallel model of Gardner and Eberhart (1966). The following traits were evaluated: grain yield (GR); mean plant height (PH) and insertion height of the highest ear in the stem (EI); silking (SIL); final plant density (FD) and popping expansion (PE). Variety PR 023 is indicated for intrapopulation improvement for grain yield. Regarding popping expansion, the results indicated cross SAM x UNB 2U C5 for recurrent reciprocal selection. In relation to resistance to fall armyworm, the varieties PARA 172, PA 091, PR 023, and SE 013 were selected for intrapopulation improvement. On the other hand, the crosses PARA 172 x BOZM 260, PA 091 x BOYA 462 and SAM x UNB 2U C5 can be indicated for interpopulation improvement. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
0034737X
Volume :
67
Issue :
4
Database :
Complementary Index
Journal :
Revista Ceres
Publication Type :
Academic Journal
Accession number :
145465213
Full Text :
https://doi.org/10.1590/0034-737X202067040006