Abstract
Abstract The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse. A significant negative relationship between Al level and root growth was noted. Root weight was increased slightly on some clones at Al levels up to 250 μM. Aluminum levels > 500 μM considerably reduced root growth. Root lengths relative to the control were used in the screening of 379 sweet potato clones and in the preliminary identification of 60 tolerant and 55 sensitive clones. The tolerant clones had greater relative root length than the sensitive ones. In a field study, no significant differences in marketable root yield were noted between lime treatment (pH 5.4) and sulfur treatment (pH 4.2). The sulfur treatment, however, increased nonmarketable yield. The sensitive clones produced greater nonmarketable yield than the tolerant ones. A negative relationship between Al tolerance and yield in nonstress condition was indicated; tolerant clones generally yielded less than sensitive ones in nonstress field tests. Root lengths in the no-Al treatment in the greenhouse were significantly correlated with the marketable root yield and number in the limed field treatments.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-nd. 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 11
Claim · model-written summary
Aluminum level had a significant negative relationship with root growth in sweet potato.
- Taxon
- sweet potato
_Flower.jpg?width=60)
Ipomoea batatase0 - Treatment
- Al levele1
- Outcome
- root growthe1
- Direction
- negative relationshipe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e1“A significant negative relationship between Al level and root growth was noted”
Claim · model-written summary
Root weight of some sweet potato clones increased slightly at Al levels up to 250 μM.
- Taxon
- sweet potatoIpomoea batatase0
- Treatment
- Al levels up to 250 μMe2
- Outcome
- Root weighte2
- Direction
- increased slightlye2
- Qualifier
- on some clonese2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e2“Root weight was increased slightly on some clones at Al levels up to 250 μM”
Claim · model-written summary
Aluminum levels above 500 μM considerably reduced root growth in sweet potato.
- Taxon
- sweet potatoIpomoea batatase0
- Treatment
- Aluminum levels > 500 μMe3
- Outcome
- root growthe3
- Direction
- considerably reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e3“Aluminum levels > 500 μM considerably reduced root growth”
Claim · model-written summary
Relative root length screening identified 60 tolerant and 55 sensitive sweet potato clones.
- Taxon
- sweet potatoIpomoea batatase4
- Outcome
- preliminary identification of 60 tolerant and 55 sensitive clonese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Root lengths relative to the control were used in the screening of 379 sweet potato clones and in the preliminary identification of 60 tolerant and 55 sensitive clones”
Claim · model-written summary
Tolerant sweet potato clones had greater relative root length than sensitive clones.
- Taxon
- sweet potatoIpomoea batatase0
- Material
- tolerant clonese5
- Outcome
- relative root lengthe5
- Direction
- greatere5
- Comparator
- sensitive onese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e5“The tolerant clones had greater relative root length than the sensitive ones”
Claim · model-written summary
In a field study, lime and sulfur treatments gave no significant difference in marketable root yield of sweet potato.
- Taxon
- sweet potatoIpomoea batatase0
- Treatment
- sulfur treatment (pH 4.2)e6
- Outcome
- marketable root yielde6
- Direction
- no significant differencese6
- Comparator
- lime treatment (pH 5.4)e6
- Setting
- field studye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e6“In a field study, no significant differences in marketable root yield were noted between lime treatment (pH 5.4) and sulfur treatment (pH 4.2)”
Claim · model-written summary
Sulfur treatment increased nonmarketable yield of sweet potato.
- Taxon
- sweet potatoIpomoea batatase0
- Treatment
- sulfur treatmente7
- Outcome
- nonmarketable yielde7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e7“The sulfur treatment, however, increased nonmarketable yield”
Claim · model-written summary
Sensitive sweet potato clones produced greater nonmarketable yield than tolerant clones.
- Taxon
- sweet potatoIpomoea batatase0
- Material
- sensitive clonese1
- Outcome
- nonmarketable yielde1
- Direction
- greatere1
- Comparator
- tolerant onese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e1“The sensitive clones produced greater nonmarketable yield than the tolerant ones”
Claim · model-written summary
Al tolerance had a negative relationship with yield in nonstress condition.
- Taxon
- sweet potatoIpomoea batatase0
- Outcome
- yield in nonstress conditione1
- Direction
- negative relationshipe1
- Setting
- nonstress conditione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e1“A negative relationship between Al tolerance and yield in nonstress condition was indicated”
Claim · model-written summary
Tolerant clones yielded less than sensitive clones in nonstress field tests.
- Taxon
- sweet potatoIpomoea batatase0
- Material
- tolerant clonese1
- Outcome
- yielde1
- Direction
- lesse1
- Comparator
- sensitive onese1
- Setting
- nonstress field testse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e1“tolerant clones generally yielded less than sensitive ones in nonstress field tests”
Claim · model-written summary
Root length in the no-Al treatment in the greenhouse was significantly correlated with marketable root yield and number in limed field treatments.
- Taxon
- sweet potatoIpomoea batatase0
- Treatment
- no-Al treatmente1
- Outcome
- marketable root yield and numbere1
- Direction
- significantly correlatede1
- Setting
- greenhousee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of varying levels of Al on fibrous root growth variables of vine tip cuttings of sweet potato [ Ipomoea batatas (L.) Lam] were tested in a quartz-sand medium in the greenhouse”
e1“Root lengths in the no-Al treatment in the greenhouse were significantly correlated with the marketable root yield and number in the limed field treatments”
The same questions in other papers
sulfur atom · quality: postharvest · Ipomoea batatas (sweet potato)Positive and negative results
1 reporting no difference from an alternative
- positive
aluminium atom · growth · Ipomoea batatas (sweet potato)Results agree
1 paper in the same direction as this paper
- negative
ph · quality: postharvest · Ipomoea batatas (sweet potato)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- positive
- no effect
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.