Abstract
Background: Water deficit and salinity are common conditions in arid agro-ecosystems. Hypothesis: Salinty increases the hydric stress effect on the yield and gel quality of Aloe vera. Study species and data description: In A. vera plants the variables meassured were: plant height, leaf length, width, and thickness, fresh biomass, the relative content of water, total solids, gel percentage, and harvest index. Study site and dates: The study was conducted from spring to summer 2020 in Bermejillo, Durango, Mexico. Methods: A split-block experimental design with four replications was used. The large plots were two soil moisture contents: field capacity (18.5 ± 2.5 %) and permanent wilting point (12.5 ± 2.5 %). The small plot was the salinity, with levels: 0, 20, 40, 60, and 80 mM of NaCl. Results:Water deficit and salinity reduced the width and thickness of leaves and, consequently, the fresh biomass and gel percentage were reduced, but gel quality increased. Conclusions: Water deficit and salinity, mainly the latter, reduced plant growth and leaves, and therefore, the yield of fresh biomass and gel. Although gel yield was reduced, its quality was enhanced, in terms of high total solids content.
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Claims 5
Claim · model-written summary
Water deficit and salinity reduced leaf width and thickness.
Aloe veraNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water deficit and salinity reduced the width and thickness of leaves”
t0“Aloe vera”
Claim · model-written summary
Water deficit and salinity reduced fresh biomass.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water deficit and salinity reduced the width and thickness of leaves and, consequently, the fresh biomass and gel percentage were reduced”
t0“Aloe vera”
Claim · model-written summary
Water deficit and salinity reduced gel percentage.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water deficit and salinity reduced the width and thickness of leaves and, consequently, the fresh biomass and gel percentage were reduced”
t0“Aloe vera”
Claim · model-written summary
Water deficit and salinity increased gel quality.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water deficit and salinity reduced the width and thickness of leaves and, consequently, the fresh biomass and gel percentage were reduced, but gel quality increased”
t0“Aloe vera”
Claim · model-written summary
Water deficit and salinity enhanced total solids content.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water deficit and salinity, mainly the latter, reduced plant growth and leaves, and therefore, the yield of fresh biomass and gel. Although gel yield was reduced, its quality was enhanced, in terms of high total solids content”
t0“Aloe vera”
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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.