Abstract
In order to evaluate the effects of drought stress at different phenological stages on growth indices of chickpea (Cicer arietinum L.) cultivar Jam, an experiment was carried out at the Research Greenhouse of Faculty of Agriculture, Ferdowsi University of Mashhad, using a completely randomized design with four replications. Drought stress was applied by preventing irrigation until the soil moisture reached to 20 percent of field capacity at stages of seedling, rapid growth, flowering, podding and seed filling. In this experiment, traits such as yield (seed yield/plant) and growth indices including plant leaf area (PLA), total dry weight (TDW), relative growth rate (RGR), plant growth rate (PGR), net assimilation rate (NAR), leaf area ratio (LAR) and specific leaf area (SLA) were measured. Results showed that the flowering stage in chickpea plant is more sensitive to drought stress because drought stress in flowering stage decreased yield per plant, TDW, RGR, PGR, NAR, but LAR and SLA increased. Seed filling stage showed less sensitivity to drought stress. Drought stress in seedling and rapid growth stages increased PGR and RGR.Key words: Chickpea, Drought stress, Growth index
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Claims 7
Claim · model-written summary
Drought at flowering reduced chickpea seed yield per plant.
- Taxon
- chickpea
Cicer arietinume0 - Material
- cultivar Jame0
- Treatment
- drought stress in flowering stagee1
- Outcome
- yield per plante1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“drought stress in flowering stage decreased yield per plant, TDW, RGR, PGR, NAR”
Claim · model-written summary
Drought at flowering decreased TDW, RGR and PGR.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- drought stress in flowering stagee1
- Outcome
- TDW, RGR, PGRe1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“drought stress in flowering stage decreased yield per plant, TDW, RGR, PGR, NAR”
Claim · model-written summary
Drought at flowering decreased NAR.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- drought stress in flowering stagee1
- Outcome
- NARe1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“drought stress in flowering stage decreased yield per plant, TDW, RGR, PGR, NAR”
Claim · model-written summary
Drought at flowering increased LAR and SLA.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- drought stress in flowering stagee2
- Outcome
- LAR and SLAe1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“but LAR and SLA increased”
e2“drought stress in flowering stage”
Claim · model-written summary
Chickpea was less sensitive to drought at seed filling.
- Taxon
- chickpeaCicer arietinume0
- Organ / stage
- Seed filling stagee1
- Outcome
- sensitivity to drought stresse1
- Direction
- lesse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“Seed filling stage showed less sensitivity to drought stress”
Claim · model-written summary
Drought at seedling stage increased PGR and RGR.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- Drought stress in seedlinge1
- Outcome
- PGR and RGRe1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“Drought stress in seedling and rapid growth stages increased PGR and RGR”
Claim · model-written summary
Drought at rapid growth stage increased PGR and RGR.
- Taxon
- chickpeaCicer arietinume0
- Organ / stage
- rapid growth stagese1
- Treatment
- Drought stresse1
- Outcome
- PGR and RGRe1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chickpea (Cicer arietinum L.) cultivar Jam”
e1“Drought stress in seedling and rapid growth stages increased PGR and RGR”
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