Agronomic characteristics of advanced lines of the Peanut Improvement Program
DOI:
https://doi.org/10.52755/sas.v3i2.181Keywords:
Arachis hypogaea L., Peanut tree, Center of Goiás, Cultivars, ProductivityAbstract
The search for increased productivity is one of the ways to mitigate the impacts of increased production costs. The objective of this work was to evaluate the agronomic characteristics of peanut genotypes in the selection of advanced lines of the Peanut Improvement Program, in the state of Goiás. The experiment was carried out in the agricultural year 2021/22, in the experimental area of the Peanut Breeding Program of the Agricultural Research Corporation (EMBRAPA) Arroz e Feijão, in the municipality of Santo Antônio de Goiás, state of Goiás, Brazil. The experimental design used was in randomized blocks, with four replications. The treatments were fourteen lowland peanut genotypes, one cultivar: BRS 423 OL and thirteen lines: 3309 OL, 3233 OL, 2366 OL, 2647 OL, 2443 OL, 3240 OL, 2969 OL, 2986 OL, 2395 OL, 2979 OL, 3225 OL, 3235 OL and 3299 OL, developed by the PMA of EMBRAPA. The plots consisted of two lines of three meters in length, with an interval of three meters between plots and spacing between lines of ninety centimeters, resulting in a plot of 5.4 m2, with an interval of two meters between blocks. The parameters evaluated were black spot (Nothopassalora personata) severity, 100-grain weight and pod yield. Therefore, it is concluded that the lowest severity score was obtained with the 3309 OL line, which is also among the most productive in the study, together with the BRS 423 OL cultivar. Furthermore, there was variability in the mass of 100 grains, for the different genotypes, in these edaphoclimatic conditions.
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Copyright (c) 2022 Jair Heuert, Maxuel Fellipe Nunes Xavier, Taís de Moraes Falleiro Suassuna
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