Abstract
A study was conducted to evaluate the effect of Pb on yield and yield attributing parameters of tomato (Solanum lycopersicum L. cv Pusa Rohini) and eggplant (Solanum melongena L. cv Pusa Upkar). The photosynthetic pigment content and lead accumulation in both crops were also quantified. Tomato and eggplant crops were irrigated with waters having four concentrations of Pb (2.5, 5.0, 7.5 and 10 ppm). Normal water was used as control (0 ppm) in both the crops. Application of Pb contaminated irrigation water decreased plant height, leaf area/plant, number of fruits/plant, fresh fruit weight/plant, fruit yield/plant, dry weight/plant, above plant biomass/plant. The decrease ranged from 54% to 98% and 51% to 94% in tomato and eggplant, respectively, summarized for various parameters across treatments. The number of days to first fruit harvest increased by 1-2 days in 10 ppm treatment in both the crops. The inhibitory effects of photosynthetic pigments gradually increased with increase in concentration. 10 Pb ppm concentration resulted in the lowest pigment level (mg/g FW) and maximum inhibition rate compared to control. On the basis of the results obtained, it was concluded that tomato was more sensitive compared to eggplant. An attempt was also made to quantify the impact of Pb on the various parameters. The models used were linear, exponential, quadratic, and polynomial of degree 3. The responses could be described very satisfactorily by the polynomial of degree three with R2 > 99% for the both crops for all the parameters.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-sa. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 8
Claim · model-written summary
Pb-contaminated irrigation water decreased growth and yield parameters of tomato by 54% to 98%.
- Taxon
- tomato (Solanum lycopersicum)
Solanum lycopersicumt1 - Treatment
- Application of Pb contaminated irrigation watere1
- Outcome
- plant height, leaf area/plant, number of fruits/plant, fresh fruit weight/plant, fruit yield/plant, dry weight/plant, above plant biomass/plante1
- Direction
- decreasede1
- Value
- 54% to 98%e2
- Comparator
- Normal water was used as controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e1“Application of Pb contaminated irrigation water decreased plant height, leaf area/plant, number of fruits/plant, fresh fruit weight/plant, fruit yield/plant, dry weight/plant, above plant biomass/plant”
e2“The decrease ranged from 54% to 98% and 51% to 94% in tomato and eggplant, respectively, summarized for various parameters across treatments”
e0“Normal water was used as control (0 ppm) in both the crops”
Claim · model-written summary
Pb-contaminated irrigation water decreased growth and yield parameters of eggplant by 51% to 94%.
- Taxon
- eggplant (Solanum melongena)
Solanum melongenat1 - Treatment
- Application of Pb contaminated irrigation watere1
- Outcome
- plant height, leaf area/plant, number of fruits/plant, fresh fruit weight/plant, fruit yield/plant, dry weight/plant, above plant biomass/plante1
- Direction
- decreasede1
- Value
- 51% to 94%e2
- Comparator
- Normal water was used as controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e1“Application of Pb contaminated irrigation water decreased plant height, leaf area/plant, number of fruits/plant, fresh fruit weight/plant, fruit yield/plant, dry weight/plant, above plant biomass/plant”
e2“The decrease ranged from 54% to 98% and 51% to 94% in tomato and eggplant, respectively, summarized for various parameters across treatments”
e0“Normal water was used as control (0 ppm) in both the crops”
Claim · model-written summary
The 10 ppm Pb treatment delayed first fruit harvest by 1-2 days in both crops.
- Taxon
- tomato (Solanum lycopersicum) and eggplant (Solanum melongena)Solanum lycopersicumSolanum melongenat1
- Treatment
- 10 ppm treatmente3
- Outcome
- number of days to first fruit harveste3
- Direction
- increasede3
- Value
- 1-2 dayse3
- Comparator
- Normal water was used as controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e3“The number of days to first fruit harvest increased by 1-2 days in 10 ppm treatment in both the crops”
e0“Normal water was used as control (0 ppm) in both the crops”
Claim · model-written summary
The inhibitory effect of Pb on photosynthetic pigments gradually increased with Pb concentration.
- Taxon
- tomato (Solanum lycopersicum) and eggplant (Solanum melongena)Solanum lycopersicumSolanum melongenat1
- Treatment
- increase in concentratione4
- Outcome
- inhibitory effects of photosynthetic pigmentse4
- Direction
- gradually increasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e4“The inhibitory effects of photosynthetic pigments gradually increased with increase in concentration”
Claim · model-written summary
The 10 ppm Pb treatment gave the lowest photosynthetic pigment level compared with control.
- Taxon
- tomato (Solanum lycopersicum) and eggplant (Solanum melongena)Solanum lycopersicumSolanum melongenat1
- Treatment
- 10 Pb ppm concentratione5
- Outcome
- pigment level (mg/g FW)e5
- Direction
- loweste5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e5“10 Pb ppm concentration resulted in the lowest pigment level (mg/g FW) and maximum inhibition rate compared to control”
Claim · model-written summary
The 10 ppm Pb treatment gave the maximum inhibition rate of photosynthetic pigments compared with control.
- Taxon
- tomato (Solanum lycopersicum) and eggplant (Solanum melongena)Solanum lycopersicumSolanum melongenat1
- Treatment
- 10 Pb ppm concentratione5
- Outcome
- inhibition ratee5
- Direction
- maximume5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e5“10 Pb ppm concentration resulted in the lowest pigment level (mg/g FW) and maximum inhibition rate compared to control”
Claim · model-written summary
Tomato was more sensitive to Pb than eggplant.
- Taxon
- tomatoSolanum lycopersicume6
- Outcome
- sensitivee6
- Direction
- moree6
- Comparator
- eggplante6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e6“On the basis of the results obtained, it was concluded that tomato was more sensitive compared to eggplant”
Claim · model-written summary
A third-degree polynomial described the Pb responses of both crops with R2 > 99%.
- Taxon
- tomato (Solanum lycopersicum) and eggplant (Solanum melongena)Solanum lycopersicumSolanum melongenat1
- Outcome
- responsese7
- Value
- R2 > 99%e7
- Qualifier
- polynomial of degree threee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“tomato (Solanum lycopersicum) and eggplant (Solanum melongena)”
e7“The responses could be described very satisfactorily by the polynomial of degree three with R2 > 99% for the both crops for all the parameters”
The same questions in other papers
lead atom · disease · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- negative
lead atom · physiology: pigments · Solanum melongena (eggplant)Results agree
2 papers in the same direction as this paper
- negative
- negative
lead atom · yield · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
- negative
- negative
- negative
lead atom · physiology: pigments · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
- negative
- negative
- negative
irrigation · yield · Solanum melongena (eggplant)Positive and negative results
8 papers in the same direction as this paper · 39 in the opposite direction
- positive
- positive
- positive
44 papers more in this group
See all 48 papers →irrigation · yield · Solanum lycopersicum (tomato)Positive and negative results
104 papers in the same direction as this paper · 239 in the opposite direction
- positive
- positive
- positive
340 papers more in this group
See all 344 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.