Abstract
Flooding of soil for 66 days decreased the rate of dry weight increment and induced stem hypertrophy and abnormal cambial growth in 3-year-old Thuja orientalis seedlings. The rate of dry weight increase of seedlings was reduced largely because of root decay and a decrease in root growth and in initiation of new roots. Diameters of the submerged portions of stems increased as a result of accelerated growth of bark as weil as xylem increment. stem diameters also increased above the water level but alm ost en tirely because of an increase in tracheid production. The xylem of submerged portions of stems was characterised by wide variations in tracheid size (with many largediameter tracheids), lack of arrangement of tracheids in orderly radial rows, and an increased number of xylem rays and large ray cells. Flooding also stimulated ethylene production in stems but did not affect formation of resin ducts in the bark and did not induce formation of compression wood. Ethylene appeared to play a role in regulating cambial growth of flooded plants.
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Claims 11
Claim · model-written summary
Soil flooding for 66 days decreased the rate of dry weight increment of 3-year-old Thuja orientalis seedlings.
- Taxon
- Thuja orientalis
Platycladus orientalise0 - Treatment
- Flooding of soil for 66 dayse0
- Outcome
- rate of dry weight incremente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding of soil for 66 days decreased the rate of dry weight increment and induced stem hypertrophy and abnormal cambial growth in 3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Soil flooding for 66 days induced stem hypertrophy and abnormal cambial growth in 3-year-old Thuja orientalis seedlings.
- Taxon
- Thuja orientalisPlatycladus orientalise0
- Treatment
- Flooding of soil for 66 dayse0
- Outcome
- stem hypertrophy and abnormal cambial growthe0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding of soil for 66 days decreased the rate of dry weight increment and induced stem hypertrophy and abnormal cambial growth in 3-year-old Thuja orientalis seedlings”
Claim · model-written summary
The dry weight increase rate of flooded seedlings was reduced largely because of root decay and decreased root growth and new root initiation.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Outcome
- rate of dry weight increasee0
- Qualifier
- root decay and a decrease in root growth and in initiation of new rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of dry weight increase of seedlings was reduced largely because of root decay and a decrease in root growth and in initiation of new roots”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Diameters of the submerged portions of stems increased because of accelerated growth of bark and xylem increment.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- stemse0
- Outcome
- Diameters of the submerged portions of stemse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diameters of the submerged portions of stems increased as a result of accelerated growth of bark as weil as xylem increment”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Stem diameters also increased above the water level, almost entirely because of increased tracheid production.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- steme0
- Outcome
- stem diameterse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stem diameters also increased above the water level but alm ost en tirely because of an increase in tracheid production”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
The xylem of submerged stem portions showed wide variation in tracheid size and tracheids not arranged in orderly radial rows.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- xyleme0
- Outcome
- wide variations in tracheid sizee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The xylem of submerged portions of stems was characterised by wide variations in tracheid size (with many largediameter tracheids), lack of arrangement of tracheids in orderly radial rows”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
The xylem of submerged stem portions had an increased number of xylem rays and large ray cells.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- xyleme0
- Outcome
- number of xylem rays and large ray cellse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increased number of xylem rays and large ray cells”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Flooding stimulated ethylene production in the stems of Thuja orientalis seedlings.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- stemse0
- Treatment
- Floodinge0
- Outcome
- ethylene productione0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding also stimulated ethylene production in stems”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Flooding did not affect formation of resin ducts in the bark of Thuja orientalis seedlings.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Organ / stage
- barke2
- Treatment
- Floodinge0
- Outcome
- formation of resin ductse2
- Direction
- did not affecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding also”
e2“did not affect formation of resin ducts in the bark”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Flooding did not induce formation of compression wood in Thuja orientalis seedlings.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Treatment
- Floodinge0
- Outcome
- formation of compression woode2
- Direction
- did not inducee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding also”
e2“did not induce formation of compression wood”
e1“3-year-old Thuja orientalis seedlings”
Claim · model-written summary
Ethylene appeared to play a role in regulating cambial growth of flooded Thuja orientalis plants.
- Taxon
- Thuja orientalisPlatycladus orientalise1
- Treatment
- floodede0
- Compound
- Ethylenee0
- Outcome
- cambial growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene appeared to play a role in regulating cambial growth of flooded plants”
e1“3-year-old Thuja orientalis seedlings”