Abstract
Maize is an edible cereal crop that belongs to family Gramineae and use as an energy source for human and animals. In our country the industrial and municipal wastewater has been being used for irrigation purposes that contain heavy metals. These heavy metals affect production of maize crop and soil quality. The purpose of this study was to investigate the affect of different heavy metals on maize growth and to asses more tolerant and more sensitive maize variety. Different concentrations of Mn and Cr (0, 0.25Molar, 0.50Molar) were applies in combined form and individually. Total three replicates were carried out during research. Analysis of variance (ANOVA), Tukey’s rang test (p ≤ 0.05) were applied as statistical tool among treatment means. ANOVA indicated the differences among five different genotypes and 9 different treatments for all parameters were significant. Tukey’s test indicated that higher toxic effect was shown under treatment 0.5M Mn + 0.25M Cr while less toxic effect was observed under treatment 0.50M Mn in maize plant. The genotype 31R88 was more sensitive for metal toxicity because most of 31R88 traits were affected under heavy metal treatments while more tolerant variety was Neelum. Hence the results of our study have suggested that the genotype Neelum may be used for the improvement of grain yield and productivity under heavy metal stress conditions.
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Claims 6
Claim · model-written summary
Growth parameter differences among five maize genotypes and nine treatments were significant.
- Outcome
- all parameterse0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences among five different genotypes and 9 different treatments for all parameters were significant”
t0“maize plant”
Claim · model-written summary
The 0.5M Mn + 0.25M Cr treatment showed the higher toxic effect on maize.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher toxic effect was shown under treatment 0.5M Mn + 0.25M Cr”
t0“maize plant”
Claim · model-written summary
The 0.50M Mn treatment showed the lesser toxic effect on maize.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“less toxic effect was observed under treatment 0.50M Mn in maize plant”
Claim · model-written summary
Maize genotype 31R88 was more sensitive to heavy metals because most measured traits were affected.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genotype 31R88 was more sensitive for metal toxicity because most of 31R88 traits were affected under heavy metal treatments”
t0“maize plant”
Claim · model-written summary
Neelum was the more tolerant maize variety.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“more tolerant variety was Neelum”
t0“maize plant”
Claim · model-written summary
The authors suggested using Neelum to improve grain yield and productivity under heavy metal stress.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the genotype Neelum may be used for the improvement of grain yield and productivity under heavy metal stress conditions”
t0“maize plant”
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manganese atom · pest · Zea mays (maize)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.