Abstract
Drought tolerance is an important genotypic character to be exploited for the plant cultivar selection under water deficit conditions. In the recent study, we examined the response of two marigold cultivars (Inca and Bonanza) under different regimes of drought stress. The aim was to determine the best performing cultivar under water/drought stress. Three irrigation treatments include; 4 days (T1), 6 days (T2) and 8 days (T3) in comparison to control 1 day (T0) interval were imposed. Response characters under study were morphological, physiological and anatomical. Complete Randomized Design (CRD) with four replications in two factorial arrangements was followed for experiment layout. The results revealed that increasing water stress adversely affect plant height, in both cultivars. Both cultivars showed a decreasing trend to the number of flowers under water stress. Total chlorophyll contents including a, b were also showed reduction under prolonged drought treatment in both cultivars from (2.7 mg g-1 FW) to (1 mg g-1 FW). Overall, the performance of cultivar (cv.) Inca was satisfactory under water stress regimes. These results are helpful for selecting drought tolerant marigold cultivars in water scarce areas.
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Claims 4
Claim · model-written summary
Increasing water stress reduced plant height in both marigold cultivars.
- Taxon
- marigoldt0
- Material
- both cultivarse0
- Treatment
- increasing water stresse0
- Outcome
- plant heighte0
- Direction
- adversely affecte0
Not reportedComparator
Verbatim
e0“increasing water stress adversely affect plant height, in both cultivars”
t0“marigold (Tagetes erecta L.)”
Claim · model-written summary
Flower number decreased with water stress in both cultivars.
- Taxon
- marigoldt0
- Material
- Both cultivarse0
- Treatment
- water stresse0
- Outcome
- number of flowerse0
- Direction
- decreasinge0
Not reportedComparator
Verbatim
e0“Both cultivars showed a decreasing trend to the number of flowers under water stress.”
t0“marigold (Tagetes erecta L.)”
Claim · model-written summary
Total chlorophyll declined from 2.7 to 1 mg g-1 FW under prolonged drought in both cultivars.
- Taxon
- marigoldt0
- Treatment
- prolonged drought treatmente0
- Outcome
- Total chlorophyll contents including a, be0
- Direction
- reductione0
- Value
- 1 mg g-1 FWe0
- Qualifier
- 2.7 mg g-1 FWe0
Not reportedComparator
Verbatim
e0“Total chlorophyll contents including a, b were also showed reduction under prolonged drought treatment in both cultivars from (2.7 mg g-1 FW) to (1 mg g-1 FW).”
t0“marigold (Tagetes erecta L.)”
Claim · model-written summary
Inca performed satisfactorily under water stress.
Verbatim
e0“the performance of cultivar (cv.) Inca was satisfactory under water stress regimes”
t0“marigold (Tagetes erecta L.)”
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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.