Abstract
A pot experiment was conducted to study the adverse effects of Lead (Pb) on two wheat varieties i.e. Chakwal-97 and Sehar-2006. Plants were treated with Pb at 0, 40 and 60 ppm solution levels. Pb reduced the morphological parameters such as shoot/root length, shoot fresh/dry weights, number of tillers. Pb stress also decreases the photosynthetic pigments such as chl a, chl b but carotene contents were increased. Na , K ion ++ contents were also decreased by Pb. So Pb as a heavy metal has detrimental effect on wheat growth and development.
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Claims 6
Claim · model-written summary
Lead treatment reduced wheat shoot and root length.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb reduced the morphological parameters such as shoot/root length, shoot fresh/dry weights, number of tillers”
t0“Wheat”
e1“Plants were treated with Pb at 0, 40 and 60 ppm solution levels”
Claim · model-written summary
Lead treatment reduced wheat shoot fresh and dry weights.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Pbe0
- Outcome
- shoot fresh/dry weightse0
- Direction
- reducede0
- Comparator
- 0e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb reduced the morphological parameters such as shoot/root length, shoot fresh/dry weights, number of tillers”
t0“Wheat”
e1“Plants were treated with Pb at 0, 40 and 60 ppm solution levels”
Claim · model-written summary
Lead treatment reduced wheat tiller number.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb reduced the morphological parameters such as shoot/root length, shoot fresh/dry weights, number of tillers”
t0“Wheat”
e1“Plants were treated with Pb at 0, 40 and 60 ppm solution levels”
Claim · model-written summary
Lead stress decreased chlorophyll a and b.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Pb stresse0
- Outcome
- photosynthetic pigments such as chl a, chl be0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb stress also decreases the photosynthetic pigments such as chl a, chl b but carotene contents were increased”
t0“Wheat”
Claim · model-written summary
Lead stress increased carotene content.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Pb stresse0
- Outcome
- carotene contentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb stress also decreases the photosynthetic pigments such as chl a, chl b but carotene contents were increased”
t0“Wheat”
Claim · model-written summary
Lead decreased Na and K ion contents.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Pbe0
- Outcome
- Na , K ion ++ contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Na , K ion ++ contents were also decreased by Pb”
t0“Wheat”
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