Abstract
High phosphorus (P) application in potato production potentially leads to antagonistic interactions with cationic micronutrients. None of the nine combinations of phosphorus and zinc (Zn) provided in chelator-buffer solution for 17 days to potato supported the concept of a P-induced Zn deficiency with regard to early season dry matter yield, especially when solution P ranged from sufficient to excessive—conditions under which P-Zn interaction traditionally is observed. Increased solution P at low Zn levels resulted in a steep increase of P in new and old shoot growth and an accumulation of manganese (Mn) in potato roots—a combination that might indirectly impact Zn nutrition in potato. Although high P levels in potato did not directly reduce Zn content or cause Zn deficiency, excessive P accumulation may reduce the activity of Zn by interacting with other micronutrients such as Mn.
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Claims 5
Claim · model-written summary
None of nine phosphorus-zinc treatments supported phosphorus-induced zinc deficiency in potato early dry matter yield.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- nine combinations of phosphorus and zinc (Zn)e0
- Outcome
- early season dry matter yielde0
- Direction
- Nonee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“None of the nine combinations of phosphorus and zinc (Zn) provided in chelator-buffer solution for 17 days to potato supported the concept of a P-induced Zn deficiency with regard to early season dry matter yield”
Claim · model-written summary
Increasing solution P at low Zn sharply increased P in new and old potato shoots.
- Treatment
- Increased solution P at low Zn levelse0
- Outcome
- P in new and old shoot growthe0
- Direction
- steep increasee0
Not reportedTaxonComparator
Verbatim
e0“Increased solution P at low Zn levels resulted in a steep increase of P in new and old shoot growth”
Claim · model-written summary
Increasing solution P at low Zn accumulated Mn in potato roots.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- accumulation of manganese (Mn) in potato rootse0
- Direction
- accumulatione0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an accumulation of manganese (Mn) in potato roots”
Claim · model-written summary
High P did not directly reduce potato Zn content or cause Zn deficiency.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- high P levelse0
- Outcome
- Zn content or cause Zn deficiencye0
- Direction
- did not directly reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high P levels in potato did not directly reduce Zn content or cause Zn deficiency”
Claim · model-written summary
The authors propose excess P may lower Zn activity through interaction with other micronutrients.
Not reportedTaxon
Verbatim
e0“excessive P accumulation may reduce the activity of Zn by interacting with other micronutrients such as Mn”
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