Abstract
Experiments on root restriction effect were carried out on micropropagated peach rootstock (GF677) plants grown in pots with different volume (1350 and 270 ml). Root restriction reduced plant growth expressed as shoot length, FW and DW accumulation and leaf area. Application of a triazole (BAS 111, GA biosynthesis inhibitor) or TIBA (inhibitor of auxin polar transport) also reduced plant growth as compared to root restriction. Pn measured on expanded leaves developed during the time-course experiment showed to be affected by root restriction. In fact the assimilation rate exhibited by plants grown in 270 ml volume pots remained at lower level at least at the lower light intensities. TIBA treatment dramatically reduced the assimilation rate at all the light intensities tested, while BAS111 did not induced evident differences as compared to the control plants. The stomata density per leaf doubled in the plants grown in 1350 ml pots as compared to that of plants in the 270 ml pots.
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Claims 7
Claim · model-written summary
Root restriction reduced shoot length, biomass accumulation, and leaf area.
- Taxon
- PEACH ROOTSTOCKt0
- Treatment
- Root restrictione0
- Outcome
- shoot length, FW and DW accumulation and leaf areae0
- Direction
- reducede0
Not reportedComparator
Verbatim
t0“PEACH ROOTSTOCK”
e0“Root restriction reduced plant growth expressed as shoot length, FW and DW accumulation and leaf area.”
Claim · model-written summary
Triazole BAS 111 reduced plant growth.
Verbatim
t0“PEACH ROOTSTOCK”
e0“Application of a triazole (BAS 111, GA biosynthesis inhibitor) or TIBA (inhibitor of auxin polar transport) also reduced plant growth as compared to root restriction.”
Claim · model-written summary
TIBA reduced plant growth relative to root restriction.
Verbatim
t0“PEACH ROOTSTOCK”
e0“Application of a triazole (BAS 111, GA biosynthesis inhibitor) or TIBA (inhibitor of auxin polar transport) also reduced plant growth as compared to root restriction.”
Claim · model-written summary
Plants in 270 ml pots had lower assimilation rate at lower light intensity.
- Taxon
- PEACH ROOTSTOCKt0
- Treatment
- 270 ml volume potse0
- Outcome
- assimilation ratee0
- Direction
- lowere0
- Qualifier
- lower light intensitiese0
Not reportedComparator
Verbatim
t0“PEACH ROOTSTOCK”
e0“the assimilation rate exhibited by plants grown in 270 ml volume pots remained at lower level at least at the lower light intensities.”
Claim · model-written summary
TIBA dramatically reduced assimilation rate at all tested light intensities.
- Taxon
- PEACH ROOTSTOCKt0
- Treatment
- TIBA treatmente0
- Outcome
- assimilation ratee0
- Direction
- reducede0
- Qualifier
- all the light intensities testede0
Not reportedComparator
Verbatim
t0“PEACH ROOTSTOCK”
e0“TIBA treatment dramatically reduced the assimilation rate at all the light intensities tested”
Claim · model-written summary
BAS111 showed no evident assimilation-rate difference from controls.
Verbatim
t0“PEACH ROOTSTOCK”
e0“BAS111 did not induced evident differences as compared to the control plants”
Claim · model-written summary
Stomatal density doubled in 1350 ml pots relative to 270 ml pots.
Verbatim
t0“PEACH ROOTSTOCK”
e0“The stomata density per leaf doubled in the plants grown in 1350 ml pots as compared to that of plants in the 270 ml pots.”