Abstract
Abstract Plants differ in their ability to take up nutrients. Developing genotypes efficient in utilizing nutrients from acid or low nutrient soils would aid in growing crops successfully when mineral supplementation is not feasible. This study was conducted in the greenhouse using mine spoil soil of initial pH 3.9 with variables of genetic sources of corn ( Zea mays L.) and lime rates. Genetic source variability was more pronounced under stress conditions (low pH) than under nonstress conditions. The genetic sources PI270083, PI270080, and Va17 showed higher tolerance to acidic conditions than others. Inbred C105, highly susceptible to low pH, showed the most visual root damage as well as the lowest relative dry matter yield. Aluminum concentration in the plant tissue did not vary significantly with lime level; however, exchangeable Al in the soil decreased drastically as the level of lime application increased. Manganese in the plant tissue and in the soil (DTPA extractable) both decreased with increased lime rate. Dry matter yield decreased significantly at 16 500 kg ha −1 of lime compared with 8000 kg ha −1 . Phosphorus concentration decreased in the plant as well as in the soil (Bray P‐1 extractable) at 16 500 kg ha −1 lime, which could have been a factor in reduced yield. Genetic source by lime interaction was significant for Ca, Mg, Al, and Mn concentration indicating that selection under different pH levels would be productive.
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Claims 13
Claim · model-written summary
Corn genetic source variability was more pronounced under low pH stress.
- Taxon
- Corn
Zea mays subsp. mayst0 - Outcome
- Genetic source variabilitye0
- Direction
- more pronouncede0
- Qualifier
- stress conditions (low pH)e0
- Comparator
- nonstress conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genetic source variability was more pronounced under stress conditions (low pH) than under nonstress conditions.”
t0“Corn”
Claim · model-written summary
PI270083, PI270080, and Va17 showed higher acid tolerance than other genetic sources.
- Taxon
- CornZea mays subsp. mayst0
- Material
- PI270083, PI270080, and Va17e0
- Outcome
- tolerance to acidic conditionse0
- Direction
- highere0
- Comparator
- otherse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genetic sources PI270083, PI270080, and Va17 showed higher tolerance to acidic conditions than others.”
t0“Corn”
Claim · model-written summary
C105 showed the most visual root damage under low pH.
- Taxon
- CornZea mays subsp. mayst0
- Material
- C105e0
- Organ / stage
- roote0
- Outcome
- visual root damagee0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inbred C105, highly susceptible to low pH, showed the most visual root damage as well as the lowest relative dry matter yield.”
t0“Corn”
Claim · model-written summary
C105 had the lowest relative dry matter yield.
- Taxon
- CornZea mays subsp. mayst0
- Material
- C105e0
- Outcome
- relative dry matter yielde0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inbred C105, highly susceptible to low pH, showed the most visual root damage as well as the lowest relative dry matter yield.”
t0“Corn”
Claim · model-written summary
Plant tissue aluminum concentration did not vary significantly with lime level.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- lime levele0
- Outcome
- Aluminum concentration in the plant tissuee0
- Direction
- did not varye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aluminum concentration in the plant tissue did not vary significantly with lime level”
t0“Corn”
Claim · model-written summary
Exchangeable soil aluminum decreased drastically with increased lime application.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- lime applicatione0
- Outcome
- exchangeable Al in the soile0
- Direction
- decreased drasticallye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exchangeable Al in the soil decreased drastically as the level of lime application increased.”
t0“Corn”
Claim · model-written summary
Manganese in plant tissue decreased with increased lime rate.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- increased lime ratee0
- Outcome
- Manganese in the plant tissuee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Manganese in the plant tissue and in the soil (DTPA extractable) both decreased with increased lime rate.”
t0“Corn”
Claim · model-written summary
Soil extractable manganese decreased with increased lime rate.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- increased lime ratee0
- Outcome
- in the soil (DTPA extractable)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Manganese in the plant tissue and in the soil (DTPA extractable) both decreased with increased lime rate.”
t0“Corn”
Claim · model-written summary
Dry matter yield decreased significantly at 16 500 kg ha −1 lime versus 8000 kg ha −1.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- 16 500 kg ha −1 of limee0
- Outcome
- Dry matter yielde0
- Direction
- decreasede0
- Comparator
- 8000 kg ha −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry matter yield decreased significantly at 16 500 kg ha −1 of lime compared with 8000 kg ha −1 .”
t0“Corn”
Claim · model-written summary
Plant phosphorus concentration decreased at 16 500 kg ha −1 lime.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- 16 500 kg ha −1 limee0
- Outcome
- Phosphorus concentratione0
- Direction
- decreasede0
- Qualifier
- in the plante0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphorus concentration decreased in the plant as well as in the soil (Bray P‐1 extractable) at 16 500 kg ha −1 lime”
t0“Corn”
Claim · model-written summary
Soil extractable phosphorus decreased at 16 500 kg ha −1 lime.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- 16 500 kg ha −1 limee0
- Outcome
- in the soil (Bray P‐1 extractable)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phosphorus concentration decreased in the plant as well as in the soil (Bray P‐1 extractable) at 16 500 kg ha −1 lime”
t0“Corn”
Claim · model-written summary
Genetic source by lime interaction was significant for calcium, magnesium, aluminum and manganese concentrations.
- Taxon
- CornZea mays subsp. mayst0
- Material
- Genetic sourcee0
- Treatment
- limee0
- Outcome
- Ca, Mg, Al, and Mn concentratione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genetic source by lime interaction was significant for Ca, Mg, Al, and Mn concentration”
t0“Corn”
Claim · model-written summary
The authors infer selection under different pH levels would be productive.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- selection under different pH levels would be productivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“indicating that selection under different pH levels would be productive.”
t0“Corn”
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See all 219 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.