Abstract
Abstract Finger millet [ Eleusine coracana (L.) Gaertn.] is an important coarse cereal crop grown in the arid and semi‐arid regions and often experiences high temperature ( HT ) stress. The objectives of this research were (i) to quantify effects of season‐long HT stress on physiological and yield traits, (ii) to identify the developmental stages most sensitive to HT stress and (iii) to quantify the genetic variability for HT stress tolerance in finger millet. Research was conducted in controlled environment conditions. HT stress decreased the chlorophyll index, photosystem II activity, grain yield and harvest index. Maximum decrease in number of seeds per panicle and grain yield per plant was observed when stress was imposed during booting, panicle emergence or flowering stages. Maximum genotypic variation was explained by panicle width and number of seeds per panicle at optimum temperature ( OT ) and grain yield per plant at HT and number of seeds at HT . Based on the stress response and grain yield, tolerant or susceptible genotypes were identified. Finger millet is sensitive to HT stress during reproductive stages, and there was genotypic variability among the finger millet genotypes for number of seeds per panicle and grain yield under HT , which can be exploited to enhance stress tolerance.
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Claims 14
Claim · model-written summary
High temperature stress decreased finger millet chlorophyll index.
- Taxon
- Finger millet
Eleusine coracanae1 - Treatment
- HT stresse0
- Outcome
- chlorophyll indexe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT stress decreased the chlorophyll index, photosystem II activity, grain yield and harvest index.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
High temperature stress decreased photosystem II activity.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- HT stresse0
- Outcome
- photosystem II activitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT stress decreased the chlorophyll index, photosystem II activity, grain yield and harvest index.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
High temperature stress decreased grain yield.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- HT stresse0
- Outcome
- grain yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT stress decreased the chlorophyll index, photosystem II activity, grain yield and harvest index.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
High temperature stress decreased harvest index.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- HT stresse0
- Outcome
- harvest indexe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT stress decreased the chlorophyll index, photosystem II activity, grain yield and harvest index.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Heat stress during booting, panicle emergence or flowering produced the greatest reduction in seeds per panicle.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- stress was imposed during booting, panicle emergence or flowering stagese0
- Outcome
- number of seeds per paniclee0
- Direction
- Maximum decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum decrease in number of seeds per panicle and grain yield per plant was observed when stress was imposed during booting, panicle emergence or flowering stages.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Heat stress during booting, panicle emergence or flowering produced the greatest reduction in grain yield per plant.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- stress was imposed during booting, panicle emergence or flowering stagese0
- Outcome
- grain yield per plante0
- Direction
- Maximum decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum decrease in number of seeds per panicle and grain yield per plant was observed when stress was imposed during booting, panicle emergence or flowering stages.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
At optimum temperature, panicle width explained maximal genotypic variation.
- Taxon
- Finger milletEleusine coracanae1
- Organ / stage
- paniclee0
- Outcome
- genotypic variatione0
- Qualifier
- panicle widthe0
- Setting
- optimum temperature ( OT )e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum genotypic variation was explained by panicle width and number of seeds per panicle at optimum temperature ( OT ) and grain yield per plant at HT and number of seeds at HT .”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
At optimum temperature, seeds per panicle explained maximal genotypic variation.
- Taxon
- Finger milletEleusine coracanae1
- Organ / stage
- paniclee0
- Outcome
- genotypic variatione0
- Qualifier
- number of seeds per paniclee0
- Setting
- optimum temperature ( OT )e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum genotypic variation was explained by panicle width and number of seeds per panicle at optimum temperature ( OT ) and grain yield per plant at HT and number of seeds at HT .”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Under high temperature, grain yield per plant explained maximal genotypic variation.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- HTe0
- Outcome
- genotypic variatione0
- Qualifier
- grain yield per plante0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum genotypic variation was explained by panicle width and number of seeds per panicle at optimum temperature ( OT ) and grain yield per plant at HT and number of seeds at HT .”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Under high temperature, seed number explained maximal genotypic variation.
- Taxon
- Finger milletEleusine coracanae1
- Treatment
- HTe0
- Outcome
- genotypic variatione0
- Qualifier
- number of seedse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum genotypic variation was explained by panicle width and number of seeds per panicle at optimum temperature ( OT ) and grain yield per plant at HT and number of seeds at HT .”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Stress response and grain yield distinguished tolerant and susceptible finger millet genotypes.
- Taxon
- Finger milletEleusine coracanae1
- Outcome
- tolerant or susceptible genotypes were identifiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Based on the stress response and grain yield, tolerant or susceptible genotypes were identified.”
e1“Finger millet [ Eleusine coracana (L.) Gaertn.]”
Claim · model-written summary
Finger millet showed genotypic variability in seeds per panicle under high temperature.
- Taxon
- finger milletEleusine coracanae0
- Treatment
- HTe0
- Outcome
- genotypic variabilitye0
- Qualifier
- number of seeds per paniclee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was genotypic variability among the finger millet genotypes for number of seeds per panicle and grain yield under HT”
Claim · model-written summary
Finger millet showed genotypic variability in grain yield under high temperature.
- Taxon
- finger milletEleusine coracanae0
- Treatment
- HTe0
- Outcome
- genotypic variabilitye0
- Qualifier
- grain yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was genotypic variability among the finger millet genotypes for number of seeds per panicle and grain yield under HT”
Claim · model-written summary
The authors suggest using genotypic variability to enhance high temperature tolerance in finger millet.
- Taxon
- finger milletEleusine coracanae1
- Outcome
- enhance stress tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“which can be exploited to enhance stress tolerance.”
e1“finger millet genotypes for number of seeds per panicle and grain yield under HT”
The same questions in other papers
stage · yield · Eleusine coracana (finger millet)Positive and negative results
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- positive
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See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.