Abstract
Abstract The interaction of relative humidity and salinity on garden beet, onion, and radish was studied in sunlit climate chambers at temperatures cycling daily between 26 and 10 C. Average daytime relative humidity (RH) was controlled at 45 and 90%. The root medium of each crop was maintained at four different osmotic potentials, the range depending on the crop's salt tolerance. With a nonsaline root medium, increasing RH from 45 to 90% increased the yield of beet by 50% and radish by 15%, but did not enhance the yield of onion. In saline root media, high RH significantly raised the salinity level at which the yield was reduced to 50% of the nonsaline yield for onion and radish, but did not affect this level for beet. Linear relationships between leaf water (Ψ L ) and osmotic (π L ) potentials and the osmotic potential of the root medium (π S ) were found for all three crops. Except low values of π S (high salinity), Ψ L and π L were lower at 45% RH than at 90% RH. Leaf turgor potential was not affected by salinity in beet and onion but was reduced in radish. The relationship between crop yield and Ψ L was linear. The difference in Ψ L for plants between full yield and almost no yield was only 13 bars for beet, 6 bars for radish, and 4 bars for onion.
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Claims 15
Claim · model-written summary
Raising humidity from 45 to 90% increased nonsaline beet yield by 50%.
- Taxon
- beet
Beta vulgarise0 - Treatment
- increasing RH from 45 to 90%e0
- Outcome
- yield of beete0
- Direction
- increasede0
- Value
- 50%e0
- Qualifier
- nonsaline root mediume0
- Comparator
- 45e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With a nonsaline root medium, increasing RH from 45 to 90% increased the yield of beet by 50%”
Claim · model-written summary
Raising humidity from 45 to 90% increased nonsaline radish yield by 15%.
- Taxon
- radish
Raphanus sativuse0 - Treatment
- increasing RH from 45 to 90%e0
- Outcome
- radishe0
- Direction
- increasede0
- Value
- 15%e0
- Qualifier
- nonsaline root mediume0
- Comparator
- 45e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With a nonsaline root medium, increasing RH from 45 to 90% increased the yield of beet by 50% and radish by 15%”
Claim · model-written summary
Raising humidity did not enhance nonsaline onion yield.
- Taxon
- onion
Allium cepae0 - Treatment
- increasing RH from 45 to 90%e0
- Outcome
- yield of onione0
- Direction
- did not enhancee0
- Comparator
- 45e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With a nonsaline root medium, increasing RH from 45 to 90% increased the yield of beet by 50% and radish by 15%, but did not enhance the yield of onion.”
Claim · model-written summary
High humidity significantly raised the 50% yield-loss salinity threshold in onion.
- Taxon
- onionAllium cepae0
- Treatment
- high RHe0
- Outcome
- salinity level at which the yield was reduced to 50% of the nonsaline yielde0
- Direction
- raisede0
- Qualifier
- saline root mediae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In saline root media, high RH significantly raised the salinity level at which the yield was reduced to 50% of the nonsaline yield for onion and radish”
Claim · model-written summary
High humidity significantly raised the 50% yield-loss salinity threshold in radish.
- Taxon
- radishRaphanus sativuse0
- Treatment
- high RHe0
- Outcome
- salinity level at which the yield was reduced to 50% of the nonsaline yielde0
- Direction
- raisede0
- Qualifier
- saline root mediae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In saline root media, high RH significantly raised the salinity level at which the yield was reduced to 50% of the nonsaline yield for onion and radish”
Claim · model-written summary
High humidity did not affect the 50% yield-loss salinity threshold in beet.
- Taxon
- beetBeta vulgarise0
- Treatment
- high RHe0
- Outcome
- salinity level at which the yield was reduced to 50% of the nonsaline yielde0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In saline root media, high RH significantly raised the salinity level at which the yield was reduced to 50% of the nonsaline yield for onion and radish, but did not affect this level for beet.”
Claim · model-written summary
Leaf water and osmotic potentials were linearly related to root-medium osmotic potential in all three crops.
- Taxon
- garden beet, onion, and radish
Beta vulgaris subsp. vulgarisRaphanus sativusAllium cepae1 - Treatment
- osmotic potential of the root medium (π S )e0
- Outcome
- leaf water (Ψ L ) and osmotic (π L ) potentialse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Linear relationships between leaf water (Ψ L ) and osmotic (π L ) potentials and the osmotic potential of the root medium (π S ) were found for all three crops.”
e1“garden beet, onion, and radish”
Claim · model-written summary
At most salinity levels, leaf water and osmotic potentials were lower at 45% than 90% humidity.
- Taxon
- garden beet, onion, and radishBeta vulgaris subsp. vulgarisRaphanus sativusAllium cepae1
- Treatment
- 45% RHe0
- Outcome
- Ψ L and π Le0
- Direction
- lowere0
- Qualifier
- Except low values of π S (high salinity)e0
- Comparator
- 90% RHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Except low values of π S (high salinity), Ψ L and π L were lower at 45% RH than at 90% RH.”
e1“garden beet, onion, and radish”
Claim · model-written summary
Salinity did not affect beet leaf turgor potential.
- Taxon
- beetBeta vulgarise0
- Treatment
- salinitye0
- Outcome
- Leaf turgor potentiale0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf turgor potential was not affected by salinity in beet and onion”
Claim · model-written summary
Salinity did not affect onion leaf turgor potential.
- Taxon
- onionAllium cepae0
- Treatment
- salinitye0
- Outcome
- Leaf turgor potentiale0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf turgor potential was not affected by salinity in beet and onion”
Claim · model-written summary
Salinity reduced radish leaf turgor potential.
- Taxon
- radishRaphanus sativuse0
- Treatment
- salinitye0
- Outcome
- Leaf turgor potentiale0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf turgor potential was not affected by salinity in beet and onion but was reduced in radish.”
Claim · model-written summary
Crop yield was linearly related to leaf water potential.
- Taxon
- garden beet, onion, and radishBeta vulgaris subsp. vulgarisRaphanus sativusAllium cepae1
- Organ / stage
- Ψ Le0
- Outcome
- crop yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The relationship between crop yield and Ψ L was linear.”
e1“garden beet, onion, and radish”
Claim · model-written summary
Beet leaf water potential spanned 13 bars between full and almost no yield.
- Taxon
- beetBeta vulgarise0
- Outcome
- difference in Ψ Le0
- Value
- 13 barse0
- Qualifier
- between full yield and almost no yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The difference in Ψ L for plants between full yield and almost no yield was only 13 bars for beet, 6 bars for radish, and 4 bars for onion.”
Claim · model-written summary
Radish leaf water potential spanned 6 bars between full and almost no yield.
- Taxon
- radishRaphanus sativuse0
- Outcome
- difference in Ψ Le0
- Value
- 6 barse0
- Qualifier
- between full yield and almost no yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The difference in Ψ L for plants between full yield and almost no yield was only 13 bars for beet, 6 bars for radish, and 4 bars for onion.”
Claim · model-written summary
Onion leaf water potential spanned 4 bars between full and almost no yield.
- Taxon
- onionAllium cepae0
- Outcome
- difference in Ψ Le0
- Value
- 4 barse0
- Qualifier
- between full yield and almost no yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The difference in Ψ L for plants between full yield and almost no yield was only 13 bars for beet, 6 bars for radish, and 4 bars for onion.”
The same questions in other papers
humidity · yield · Allium cepa (onion)Positive and negative results
1 in the opposite direction
- negative
salinity · physiology: water · Beta vulgaris (beet)Positive and negative results
5 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
8 papers more in this group
See all 12 papers →salinity · physiology: water · Raphanus sativus (radish)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.