Supplementary data for: Transpiration efficiency variations in the pearl millet reference collection PMiGAP

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Supplementary data for: Transpiration efficiency variations in the pearl millet reference collection PMiGAP
Vigouroux, Yves; Vadez, Vincent; Charles Thomas Hash; Jana Kholova; Laura Gregoire, 2024, "Supplementary data for: Transpiration efficiency variations in the pearl millet reference collection PMiGAP", https://doi.org/10.23708/2VJ0TQ, DataSuds, V1, UNF:6:YeYpXbwVQg7f+IV2TyuBBA== [fileUNF]
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Description

Transpiration efficiency (TE), the biomass produced per unit of water transpired, is a key trait for crop performance under limited water. As water becomes scarce, increasing TE would contribute to increase crop drought tolerance.

This study is a first step to explore pearl millet genotypic variability for TE on a large and representative diversity panel. We analyzed TE on 537 pearl millet genotypes, including inbred lines, test-cross hybrids, and hybrids bred for different agroecological zones. Three lysimeter trials were conducted in 2012, 2013 and 2015, to assess TE both under well-watered and terminal-water stress conditions. We recorded grain yield to assess its relationship with TE. Up to two-fold variation for TE was observed over the accessions used. Mean TE varied between inbred and testcross hybrids, across years and was slightly higher under water stress. TE also differed among hybrids developed for three agroecological zones, being higher in hybrids bred for the wetter zone, underlining the importance of selecting germplasm according to the target area.

Environmental conditions triggered large Genotype x Environment (GxE) interactions, although TE showed some high heritability. Transpiration efficiency was the second contributor to grain yield after harvest index, highlighting the importance of integrating it into pearl millet breeding programs. Future research on TE in pearl millet should focus (i) on investigating the causes of its plasticity i.e. the GxE interaction (ii) on studying its genetic basis and its association with other important physiological traits.

This dataset contains raw data of experiment on the transpiration efficiency variations in the pearl millet reference collection PMiGAP.

(2024-05-17)
Subject Agricultural Sciences
Keyword transpiration efficiency, pearl millet, variety, Diversity
Related Publication Laura Grégoire, Jana Kholova, Rakesh Srivastava, C Tom Hash, Yves Vigouroux, Vincent Vadez (2024) Transpiration efficiency variations in the pearl millet reference collection PMiGAP. Cold Spring Harbor Laboratory. doi: 10.1101/2024.02.16.580642
Notes Data Type: Experimental data
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0_ReadMe.txt
PMiGAP_2012_2013_2015/Plain Text - 2.1 KB
Published Aug 5, 2024
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MD5: 859eaa1d64c7909122250061b3660f8e
Data citation, description and terms of use
Documentation
RawData_PearlMillet_2012.tab
PMiGAP_2012_2013_2015/Tabular Data - 416.7 KB
Published Aug 5, 2024
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47 Variables, 1300 Observations UNF:6:NDcIEOWxSAayBuy0QnOVpA==
Raw data file for 2012 (tsv data file)
Data
RawData_PearlMillet_2013.tab
PMiGAP_2012_2013_2015/Tabular Data - 154.9 KB
Published Aug 5, 2024
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42 Variables, 504 Observations UNF:6:+m3VscAA/1AWpc1T5A4Kwg==
Raw data file for 2013 (tsv data file)
Data
RawData_PearlMillet_2015.tab
PMiGAP_2012_2013_2015/Tabular Data - 243.2 KB
Published Aug 5, 2024
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26 Variables, 1400 Observations UNF:6:yMcUich+zRPkR7659O4ptQ==
Raw data file for 2015 (tsv data file)
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RawData_PearlMillet_data_dictionary.xlsx
PMiGAP_2012_2013_2015/MS Excel Spreadsheet - 9.5 KB
Published Aug 5, 2024
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MD5: 975eb6351ebb422e0b87bf8dde611f1d
Data dictionary
Documentation
RAWDATA_PEARLMILLET_TE_ASSESSMENT.tab
PMiGAP_2012_2013_2015/Tabular Data - 3.5 KB
Published Aug 5, 2024
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16 Variables, 52 Observations UNF:6:x/PBed13+tzuQ5B3Oe47FA==
Raw data file for the three years 2012, 2013 and 2015 with a description of each variable in an excel format (original xls file)
DocumentationData
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