Abstract
Abstract Drought‐induced damages in crop plants are ranked at top amid all losses instigated by diverse abiotic stresses. Terminal drought (drought at reproductive phase) has emerged as a severe threat to the productivity of wheat crop. Different seed enhancement techniques, genotypes and distribution of crop plants in different spacings have been explored individually to mitigate these losses; however, their interaction has rarely been tested in improving drought resistance in wheat. This study was conducted to evaluate the potential role of different seed enhancement techniques and row spacings in mitigating the adversities of terminal drought in two wheat cultivars during two consecutive growing seasons of 2010–2011 and 2011–2012. Seeds of wheat cultivars Lasani‐2008 (medium statured) and Triple Dwarf‐1 (dwarf height) soaked in water (hydropriming) or CaCl 2 (osmopriming) were sown in 20‐, 25‐ and 30‐cm spaced rows; just before heading, the soil moisture was maintained at 100 % field capacity (well watered) or 50 % field capacity (terminal drought) till maturity. Terminal drought significantly reduced the yield and related traits compared with well‐watered crop; however, osmopriming improved the crop performance under terminal drought. Among different row spacings, wheat sown in 20‐cm spaced rows performed better during both years of study. Wheat cultivar Lasani‐2008 performed better than cultivar Triple Dwarf‐1 under both well‐watered and stress conditions. Maximum net returns and benefit–cost ratio were recorded from osmoprimed seeds of cultivar Lasani‐2008 sown in 20‐cm spaced rows under well‐watered condition. Nonetheless, osmoprimed seeds of cultivar Lasani‐2008 sown in 20‐cm spaced rows were better able to produce good yield under terminal drought.
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Claims 7
Claim · model-written summary
Terminal drought significantly reduced wheat yield and related traits versus well-watered conditions.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- Terminal droughte0
- Outcome
- yield and related traitse0
- Direction
- reducede0
- Comparator
- well‐watered crope0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Terminal drought significantly reduced the yield and related traits compared with well‐watered crop”
t0“Bread Wheat”
Claim · model-written summary
Osmopriming improved wheat crop performance under terminal drought.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- osmopriminge0
- Outcome
- crop performancee0
- Direction
- improvede0
- Qualifier
- terminal droughte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“osmopriming improved the crop performance under terminal drought”
t0“Bread Wheat”
Claim · model-written summary
Wheat in 20-cm rows performed better than other row spacings in both years.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 20‐cm spaced rowse0
- Outcome
- performed bettere0
- Direction
- bettere0
- Qualifier
- both years of studye0
- Comparator
- different row spacingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among different row spacings, wheat sown in 20‐cm spaced rows performed better during both years of study.”
Claim · model-written summary
Lasani-2008 performed better than Triple Dwarf-1 under both water regimes.
- Taxon
- WheatTriticum aestivume0
- Material
- Lasani‐2008e0
- Outcome
- performed bettere0
- Direction
- bettere0
- Qualifier
- both well‐watered and stress conditionse0
- Comparator
- Triple Dwarf‐1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat cultivar Lasani‐2008 performed better than cultivar Triple Dwarf‐1 under both well‐watered and stress conditions.”
Claim · model-written summary
Osmoprimed Lasani-2008 in 20-cm rows under well-watered conditions gave maximum net returns.
Verbatim
e0“Maximum net returns and benefit–cost ratio were recorded from osmoprimed seeds of cultivar Lasani‐2008 sown in 20‐cm spaced rows under well‐watered condition.”
Claim · model-written summary
Osmoprimed Lasani-2008 in 20-cm rows under well-watered conditions gave maximum benefit–cost ratio.
Verbatim
e0“Maximum net returns and benefit–cost ratio were recorded from osmoprimed seeds of cultivar Lasani‐2008 sown in 20‐cm spaced rows under well‐watered condition.”
Claim · model-written summary
Osmoprimed Lasani-2008 in 20-cm rows produced good yield under terminal drought.
Verbatim
e0“osmoprimed seeds of cultivar Lasani‐2008 sown in 20‐cm spaced rows were better able to produce good yield under terminal drought.”
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