Abstract
Abstract A complete NPK fertilizer applied at planting, but not at later times, influenced the resistance of potato leaves to infection by Phytophthora infestans and the subsequent growth of lesions. Lesion size (7 days after inoculation) and lesion growth rate (between 7 and 9 days after inoculation) increased linearly with increasing fertilizer rates. Increasing rates of phosphate or potash, applied separately, did not significantly affect the development of blight lesions but a linear increase in lesion size was associated with increasing application rates of nitrogen.
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Claims 7
Claim · model-written summary
NPK fertilizer at planting influenced potato resistance to Phytophthora infection.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- A complete NPK fertilizer applied at plantinge0
- Interactor
- Phytophthora infestans
Phytophthora infestanse0pathogen - Outcome
- resistance of potato leaves to infectione0
- Comparator
- later timese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A complete NPK fertilizer applied at planting, but not at later times, influenced the resistance of potato leaves to infection by Phytophthora infestans”
Claim · model-written summary
NPK fertilizer at planting influenced subsequent lesion growth.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- A complete NPK fertilizer applied at plantinge0
- Interactor
- Phytophthora infestansPhytophthora infestanse0pathogen
- Outcome
- subsequent growth of lesionse0
- Comparator
- later timese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A complete NPK fertilizer applied at planting, but not at later times, influenced the resistance of potato leaves to infection by Phytophthora infestans and the subsequent growth of lesions.”
Claim · model-written summary
Lesion size increased linearly with fertilizer rate.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- increasing fertilizer ratese0
- Outcome
- Lesion sizee0
- Direction
- increasede0
- Qualifier
- 7 days after inoculatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lesion size (7 days after inoculation) and lesion growth rate (between 7 and 9 days after inoculation) increased linearly with increasing fertilizer rates.”
t0“Potato”
Claim · model-written summary
Lesion growth rate increased linearly with fertilizer rate.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- increasing fertilizer ratese0
- Outcome
- lesion growth ratee0
- Direction
- increasede0
- Qualifier
- between 7 and 9 days after inoculatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lesion size (7 days after inoculation) and lesion growth rate (between 7 and 9 days after inoculation) increased linearly with increasing fertilizer rates.”
t0“Potato”
Claim · model-written summary
Phosphate rates did not significantly affect blight lesion development.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- phosphatee0
- Outcome
- development of blight lesionse0
- Direction
- did not significantly affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing rates of phosphate or potash, applied separately, did not significantly affect the development of blight lesions”
t0“Potato”
Claim · model-written summary
Potash rates did not significantly affect blight lesion development.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- potashe0
- Outcome
- development of blight lesionse0
- Direction
- did not significantly affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing rates of phosphate or potash, applied separately, did not significantly affect the development of blight lesions”
t0“Potato”
Claim · model-written summary
Higher nitrogen application rates were associated with a linear increase in lesion size.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- increasing application rates of nitrogene0
- Outcome
- lesion sizee0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a linear increase in lesion size was associated with increasing application rates of nitrogen”
t0“Potato”
The same questions in other papers
phosphorus · disease · Solanum tuberosum (potato)Positive and negative results
2 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →potassium · disease · Solanum tuberosum (potato)Positive and negative results
2 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
4 papers more in this group
See all 8 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.