Abstract
In a greenhouse experiment, morpho-anatomical and micromorphometrical analyses of two soybean cultivars, MG/BR46 (Conquista) and BR16-tolerant and sensitive to drought, respectively-were used to study their water-deficit-tolerance strategies. Drought treatments were applied at reproductive stages from R2 to R7, where evaluations were conducted at 30 days and 45 days after stress started, respectively. The total length of Conquista plants (shoot + root) was greater than of BR16 plants. Pod dry weight was adversely affected due to the lack of moisture, decreasing productivity even of Conquista plants. Both the cultivars had normal development of root hairs; however, it was observed a decrease in the cortex:central cylinder ratio in BR16 stressed for 30 days, and they also showed similar leaflet thickness and stomata distribution. Differences in drought tolerance observed between the two cultivars seemed to be related to factors other than morphological traits since this species has a short lifecycle.
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Claims 7
Claim · model-written summary
Conquista plants were longer in total (shoot + root) than BR16 plants.
- Taxon
- soybean
Glycine maxt0 - Material
- Conquistae1
- Outcome
- total lengthe1
- Direction
- greatere1
- Comparator
- BR16e1
- Setting
- greenhousee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e1“The total length of Conquista plants (shoot + root) was greater than of BR16 plants”
e6“In a greenhouse experiment”
Claim · model-written summary
Lack of moisture adversely affected pod dry weight in soybean.
- Taxon
- soybeanGlycine maxt0
- Treatment
- lack of moisturee2
- Outcome
- Pod dry weighte2
- Direction
- adversely affectede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e2“Pod dry weight was adversely affected due to the lack of moisture”
Claim · model-written summary
Lack of moisture decreased productivity even of Conquista plants.
- Taxon
- soybeanGlycine maxt0
- Material
- Conquistae3
- Treatment
- lack of moisturee2
- Outcome
- productivitye3
- Direction
- decreasinge3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e2“Pod dry weight was adversely affected due to the lack of moisture”
e3“decreasing productivity even of Conquista plants”
Claim · model-written summary
Both soybean cultivars showed normal development of root hairs.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- root hairse4
- Outcome
- development of root hairse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e4“Both the cultivars had normal development of root hairs”
Claim · model-written summary
BR16 under 30 days of stress showed a decrease in the cortex:central cylinder ratio.
- Taxon
- soybeanGlycine maxt0
- Material
- BR16e5
- Treatment
- stressed for 30 dayse5
- Outcome
- cortex:central cylinder ratioe5
- Direction
- decreasee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e5“it was observed a decrease in the cortex:central cylinder ratio in BR16 stressed for 30 days”
Claim · model-written summary
Both cultivars showed similar leaflet thickness and stomata distribution.
- Taxon
- soybeanGlycine maxt0
- Outcome
- leaflet thickness and stomata distributione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e6“they also showed similar leaflet thickness and stomata distribution”
Claim · model-written summary
Differences in drought tolerance between the two soybean cultivars seemed to relate to factors other than morphological traits.
- Taxon
- soybeanGlycine maxt0
- Outcome
- Differences in drought tolerancee7
- Qualifier
- factors other than morphological traitse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean genotypes during water stress”
e7“Differences in drought tolerance observed between the two cultivars seemed to be related to factors other than morphological traits”