Abstract
ABSTRACT - Lima bean (Phaseolus lunatus L.) develops at an optimal temperature in the range of 20-30°C, temperatures above 30-35°C compromise the photosynthetic efficiency of the crop. Considering the importance of lima bean cultivation, the objective of this study was to carry out a morphoagronomic and phenological characterization of 46 lima bean accessions tolerant to high temperatures from the core collection of lima bean at the Universidade Federal do Piauí. The experiment was conducted from February to July 2021 in a completely randomized block design with four replications, where the plot consisted of a pot with two plants. Genotype characterization was performed based on 20 morphoagronomic and phenological descriptors of lima bean. Based on Pearson's correlation, the number of emitted and aborted flowers had a greater genetic correlation with the total number of seeds and pods produced. Pod length and width were positively correlated with seed thickness, length, and width. Five groups were formed based on UPGMA grouping. It was observed that the UFPI-922 and UFPI-945 accessions had a higher performance under high-temperature conditions in relation to the number of flowers and pods emitted, as well as lower values for the number of aborted pods. The accessions UFPI-1037, UFPI-876, UFPI-1036, UFPI-1028, UFPI-1052, UFPI-1064, UFPI-1038, and UFPI-1062 are promising for precocity, productivity, emission of flowers and pods formed, and can be used in breeding programs.
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Claims 8
Claim · model-written summary
Emitted and aborted flower counts had greater genetic correlation with seed and pod counts.
- Taxon
- LIMA BEAN
Phaseolus lunatust0 - Organ / stage
- flowerse0
- Outcome
- total number of seeds and pods producede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of emitted and aborted flowers had a greater genetic correlation with the total number of seeds and pods produced”
t0“LIMA BEAN”
Claim · model-written summary
Pod length and width correlated positively with seed thickness, length and width.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Organ / stage
- Pode0
- Outcome
- seed thickness, length, and widthe0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pod length and width were positively correlated with seed thickness, length, and width”
t0“LIMA BEAN”
Claim · model-written summary
UPGMA grouping formed five accession groups.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Outcome
- groupse0
- Value
- Five groupse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five groups were formed based on UPGMA grouping”
t0“LIMA BEAN”
Claim · model-written summary
UFPI-922 showed higher flower and pod emission under high temperature.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Material
- UFPI-922e0
- Treatment
- high-temperature conditionse0
- Outcome
- number of flowers and pods emittede0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the UFPI-922 and UFPI-945 accessions had a higher performance under high-temperature conditions in relation to the number of flowers and pods emitted”
t0“LIMA BEAN”
Claim · model-written summary
UFPI-945 showed higher flower and pod emission under high temperature.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Material
- UFPI-945e0
- Treatment
- high-temperature conditionse0
- Outcome
- number of flowers and pods emittede0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the UFPI-922 and UFPI-945 accessions had a higher performance under high-temperature conditions in relation to the number of flowers and pods emitted”
t0“LIMA BEAN”
Claim · model-written summary
UFPI-922 had fewer aborted pods under high temperature.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Material
- UFPI-922e0
- Outcome
- number of aborted podse0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the UFPI-922 and UFPI-945 accessions had a higher performance under high-temperature conditions in relation to the number of flowers and pods emitted, as well as lower values for the number of aborted pods”
t0“LIMA BEAN”
Claim · model-written summary
UFPI-945 had fewer aborted pods under high temperature.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Material
- UFPI-945e0
- Outcome
- number of aborted podse0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the UFPI-922 and UFPI-945 accessions had a higher performance under high-temperature conditions in relation to the number of flowers and pods emitted, as well as lower values for the number of aborted pods”
t0“LIMA BEAN”
Claim · model-written summary
Eight named accessions were considered promising for earliness, productivity and flowering and pod formation for breeding.
- Taxon
- LIMA BEANPhaseolus lunatust0
- Material
- UFPI-1037, UFPI-876, UFPI-1036, UFPI-1028, UFPI-1052, UFPI-1064, UFPI-1038, and UFPI-1062e0
- Outcome
- can be used in breeding programse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accessions UFPI-1037, UFPI-876, UFPI-1036, UFPI-1028, UFPI-1052, UFPI-1064, UFPI-1038, and UFPI-1062 are promising for precocity, productivity, emission of flowers and pods formed, and can be used in breeding programs”
t0“LIMA BEAN”