Open AccessBean seed performance under different temperatures
Author(s) -
Martin Groth,
Rodrigo Ferraz Ramos,
Cristiano Bellé,
Débora Leitzke Betemps,
Nariane de Andrade,
Tiago Edu Kaspary
Publication year - 2020
Publication title -
journal of biotechnology and biodiversity
Language(s) - English
Resource type - Journals
ISSN - 2179-4804
DOI - 10.20873/jbb.uft.cemaf.v8n1.groth
Subject(s) - germination , ecotype , shoot , cultivar , biology , dry weight , horticulture , biomass (ecology) , agronomy , botany
The study evaluated the germination performance of bean seeds (BRS Expedito) from different regions of southern Brazil submitted to different germination temperatures (20, 25 and 30º C). Were evaluated to germination (GER), first germination count (PCG), germination speed index (IVG), shoot dry mass (MSPA) and root dry mass (MSR). The seeds from São Mateus (PR) presented the highest average values for the variables GER, PCG and IVG in the three temperatures tested. The temperature increase (20 to 30 ºC) significantly influenced the dry biomass accumulation in the shoots and seedlings roots. The results indicate the existence of a phenotypic plasticity acquired by the cultivar due to local adaptation of the ecotypes.