Abstract
Peanut kernel size can influence response to calcium. While runner market type peanut cultivars often do not require supplemental calcium at flowering, application of gypsum (CaSO 4 ) is routinely recommended for large‐seeded Virginia market type peanut cultivars. However, kernel size varies considerably for Virginia market type peanut. Research was conducted from 2001‐2005 at two locations in North Carolina to determine if the gypsum rate with or without prior potassium application should vary for the Virginia market type peanut cultivars NC‐V 11 (625 kernels/lb seed) and Gregory (450 kernels/lb seed). Although the percentage of total sound mature kernels (%TSMK) was not affected by the interaction of cultivar and gypsum rate, pod yield and the percentage of extra large kernels (%ELK) was affected by this interaction. The interaction of location, year, and gypsum rate was significant for pod yield, %TSMK, and %ELK. Potassium had no major effect on pod yield or market grade characteristics. Seed germination and percentages of calcium deficient kernels were not affected by the interaction of cultivar and gypsum rate but was affected by the main effect of these treatment factors. These data suggest that although differences in peanut response to Virginia market type peanut exist, increasing the rate of gypsum above the rate currently recommended is not necessary for large‐seeded Virginia market type peanut.
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Claims 6
Claim · model-written summary
Cultivar and gypsum rate did not interact for total sound mature kernels.
- Taxon
- Peanut
Arachis hypogaeat0 - Material
- cultivare0
- Treatment
- gypsum ratee0
- Outcome
- percentage of total sound mature kernelse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Virginia Market Type Peanut”
e0“the percentage of total sound mature kernels (%TSMK) was not affected by the interaction of cultivar and gypsum rate”
Claim · model-written summary
Location, year and gypsum rate interacted significantly for pod yield, total sound mature kernels and extra large kernels.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- gypsum ratee0
- Outcome
- pod yield, %TSMK, and %ELKe0
- Qualifier
- yeare0
- Setting
- locatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Virginia Market Type Peanut”
e0“The interaction of location, year, and gypsum rate was significant for pod yield, %TSMK, and %ELK.”
Claim · model-written summary
Potassium had no major effect on pod yield or market grade characteristics.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- Potassiume0
- Outcome
- pod yield or market grade characteristicse0
- Direction
- no major effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Virginia Market Type Peanut”
e0“Potassium had no major effect on pod yield or market grade characteristics.”
Claim · model-written summary
Seed germination and calcium deficient kernel percentages were not affected by cultivar and gypsum rate interaction.
- Taxon
- PeanutArachis hypogaeat0
- Material
- cultivare0
- Treatment
- gypsum ratee0
- Outcome
- Seed germination and percentages of calcium deficient kernelse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Virginia Market Type Peanut”
e0“Seed germination and percentages of calcium deficient kernels were not affected by the interaction of cultivar and gypsum rate but was affected by the main effect of these treatment factors.”
Claim · model-written summary
Seed germination and calcium deficient kernel percentages were affected by main effects of cultivar and gypsum rate.
- Taxon
- PeanutArachis hypogaeat0
- Material
- cultivare0
- Treatment
- gypsum ratee0
- Outcome
- Seed germination and percentages of calcium deficient kernelse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Virginia Market Type Peanut”
e0“Seed germination and percentages of calcium deficient kernels were not affected by the interaction of cultivar and gypsum rate but was affected by the main effect of these treatment factors.”
Claim · model-written summary
The authors conclude that increasing gypsum beyond the currently recommended rate is unnecessary for large-seeded Virginia peanut.
Verbatim
t0“Virginia Market Type Peanut”
e0“increasing the rate of gypsum above the rate currently recommended is not necessary for large‐seeded Virginia market type peanut”
The same questions in other papers
potassium · yield · Arachis hypogaea (peanut)Results differ
14 papers in the same direction as this paper · 79 in the opposite direction
- positive
- positive
- positive
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See all 94 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.