Abstract
Molybdenum is an essential micronutrient that regulates plant growth, development, and responses to abiotic environmental stresses. However, little is known about the joint effects of water stress, molybdenum, and cultivar on physiological traits of field-grown common bean. Therefore, a split-plot factorial design was used to determine the main and interaction effects of Water stress (3 levels: 55–60, 90–95 and 120–125 mm evaporation from class A pan), Molybdenum (2 levels: control and 80 g per ha), and Cultivar (2 levels: Akhtar and COS-16) on physiological traits and grain yield of common bean. The results indicated that leaf area index (LAI), chlorophyll index, relative water content (RWC) and grain yield decrease with increasing water stress. Spraying molybdenum to the plants increased LAI, RWC, and grain yield, but the extent of the increase varied with cultivar. The positive effect of molybdenum also varied with the magnitude of water stress, and it was higher in severe water stress condition compared to that in normal irrigation and moderate water stress conditions. Of the two cultivars, COS-16 gave significantly higher grain yield than Akhtar cultivar, but Akhtar was superior in terms of physiological traits. The study demonstrated that the application of Molybdenum under water stress may cause an increase in N uptake and the efficiency of its use, that consequently increases the chlorophyll index and grain yield of common bean cultivars.
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Claims 6
Claim · model-written summary
Increasing water stress decreased leaf area index, chlorophyll index, relative water content and grain yield in common bean.
- Taxon
- common bean
Phaseolus vulgarist0 - Treatment
- increasing water stresse0
- Outcome
- leaf area index (LAI), chlorophyll index, relative water content (RWC) and grain yielde0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area index (LAI), chlorophyll index, relative water content (RWC) and grain yield decrease with increasing water stress”
t0“common bean cultivars”
Claim · model-written summary
Molybdenum spraying increased leaf area index, relative water content and grain yield, with cultivar-dependent gains.
- Taxon
- common beanPhaseolus vulgarist0
- Treatment
- Spraying molybdenume0
- Outcome
- LAI, RWC, and grain yielde0
- Direction
- increasede0
- Qualifier
- varied with cultivare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spraying molybdenum to the plants increased LAI, RWC, and grain yield, but the extent of the increase varied with cultivar”
t0“common bean cultivars”
Claim · model-written summary
The positive molybdenum effect was greater under severe water stress than under normal irrigation or moderate water stress.
- Taxon
- common beanPhaseolus vulgarist0
- Treatment
- molybdenume0
- Outcome
- positive effect of molybdenume0
- Direction
- highere0
- Qualifier
- severe water stress conditione0
- Comparator
- normal irrigation and moderate water stress conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The positive effect of molybdenum also varied with the magnitude of water stress, and it was higher in severe water stress condition compared to that in normal irrigation and moderate water stress conditions”
t0“common bean cultivars”
Claim · model-written summary
COS-16 had significantly higher grain yield than Akhtar.
- Taxon
- common beanPhaseolus vulgarist0
- Material
- COS-16e0
- Outcome
- grain yielde0
- Direction
- highere0
- Comparator
- Akhtar cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“COS-16 gave significantly higher grain yield than Akhtar cultivar”
t0“common bean cultivars”
Claim · model-written summary
Akhtar was superior to COS-16 for physiological traits.
- Taxon
- common beanPhaseolus vulgarist0
- Material
- Akhtare0
- Outcome
- physiological traitse0
- Direction
- superiore0
- Comparator
- COS-16e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of the two cultivars, COS-16 gave significantly higher grain yield than Akhtar cultivar, but Akhtar was superior in terms of physiological traits”
t0“common bean cultivars”
Claim · model-written summary
The authors suggested molybdenum under water stress may increase nitrogen uptake and use efficiency, thereby increasing chlorophyll index and grain yield.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- Molybdenum under water stresse0
- Outcome
- chlorophyll index and grain yielde0
- Direction
- increasese0
- Qualifier
- may cause an increase in N uptake and the efficiency of its usee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of Molybdenum under water stress may cause an increase in N uptake and the efficiency of its use, that consequently increases the chlorophyll index and grain yield of common bean cultivars”
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See all 76 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.