Abstract
Abstract A liquid fertilizer containing phosphite was toxic to over 1,000 ha of corn ( Zea mays L.) in southern Michigan. The fertilizer contained 9% N, 8% P, and 7.5% K and was applied over the seed at planting time. Toxicity was also obtained when the foliage was sprayed with the same fertilizer. Laboratory tests using paper chromatography and greenhouse trials identified the P source as a phosphite (HPO 3 ) −2 . Plants showed white, variegated streaking of the leaves in mild cases and spindly, rolled, yellowish‐white leaves in severe toxicity.
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Claims 5
Claim · model-written summary
Phosphite-containing fertilizer was toxic to over 1000 ha of corn in southern Michigan.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- liquid fertilizer containing phosphitee0
- Outcome
- toxice0
- Value
- over 1,000 hae0
- Setting
- southern Michigane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A liquid fertilizer containing phosphite was toxic to over 1,000 ha of corn ( Zea mays L.) in southern Michigan”
Claim · model-written summary
Foliar spraying with the fertilizer also caused toxicity.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- foliage was sprayed with the same fertilizere0
- Outcome
- Toxicitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Toxicity was also obtained when the foliage was sprayed with the same fertilizer”
t0“Corn”
Claim · model-written summary
Chromatography and greenhouse trials identified phosphite as the phosphorus source.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- P source as a phosphite (HPO 3 ) −2e0
- Value
- phosphite (HPO 3 ) −2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Laboratory tests using paper chromatography and greenhouse trials identified the P source as a phosphite (HPO 3 ) −2”
t0“Corn”
Claim · model-written summary
Mildly injured corn had white variegated leaf streaks.
- Taxon
- cornZea mays subsp. mayst0
- Organ / stage
- leavese0
- Outcome
- white, variegated streakinge0
- Qualifier
- mild casese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants showed white, variegated streaking of the leaves in mild cases”
t0“Corn”
Claim · model-written summary
Severely injured corn had spindly rolled yellowish-white leaves.
- Taxon
- cornZea mays subsp. mayst0
- Organ / stage
- leavese0
- Outcome
- spindly, rolled, yellowish‐white leavese0
- Qualifier
- severe toxicitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spindly, rolled, yellowish‐white leaves in severe toxicity”
t0“Corn”
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See all 64 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.