Abstract
AbstractLanolin pastes containing 0.1% gibberellin A3 (GA3) were applied to the trunk of two year old ‘Oroblanco’, a pummelo-grapefruit hybrid (Citrusgrandis Osbeck x C. paradisi Macf.), budded on ‘Swingle’ citrumelo [C. paradisi Macf. x Poncirus trifoliata (L.) Raf.] rootstock, to induce vigour in the subsequent growth flush. A two-fold increase in bud- break and a three-fold increase in total shoot length were found in GA3-treated trees in comparison with control trees which were treated with lanolin only. After eight weeks, hardened cuttings were excised from the plants, treated with commercial rooting powder (0.6% IBA) and placed in a mist-bed with bottom heat. Cuttings from GA3-treated trees achieved 70% rooting after 36 days and 90% rooting after 55 days whereas in the controls, rooting was 9% and 18%, respectively. Addition of benzyladenine (BA) to the lanolin pastes increased basal swelling and callus formation in the cuttings but drastically reduced the percent of rooting.
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Claims 6
Claim · model-written summary
GA3 treatment doubled citrus bud break relative to lanolin control.
Verbatim
e0“A two-fold increase in bud- break and a three-fold increase in total shoot length were found in GA3-treated trees in comparison with control trees which were treated with lanolin only.”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”
Claim · model-written summary
GA3 treatment tripled total citrus shoot length relative to lanolin control.
Verbatim
e0“A two-fold increase in bud- break and a three-fold increase in total shoot length were found in GA3-treated trees in comparison with control trees which were treated with lanolin only.”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”
Claim · model-written summary
Cuttings from GA3-treated trees rooted at 70% after 36 days versus 9% in controls.
Verbatim
e0“Cuttings from GA3-treated trees achieved 70% rooting after 36 days and 90% rooting after 55 days whereas in the controls, rooting was 9% and 18%, respectively.”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”
Claim · model-written summary
Cuttings from GA3-treated trees rooted at 90% after 55 days versus 18% in controls.
Verbatim
e0“Cuttings from GA3-treated trees achieved 70% rooting after 36 days and 90% rooting after 55 days whereas in the controls, rooting was 9% and 18%, respectively.”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”
Claim · model-written summary
Adding benzyladenine increased basal swelling and callus formation in citrus cuttings.
- Taxon
- pummelo-grapefruit hybride1
- Treatment
- benzyladenine (BA)e0
- Outcome
- basal swelling and callus formatione0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Addition of benzyladenine (BA) to the lanolin pastes increased basal swelling and callus formation in the cuttings”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”
Claim · model-written summary
Adding benzyladenine drastically reduced citrus cutting rooting percentage.
- Taxon
- pummelo-grapefruit hybride1
- Treatment
- benzyladenine (BA)e0
- Outcome
- percent of rootinge0
- Direction
- drastically reducede0
Not reportedComparator
Verbatim
e0“Addition of benzyladenine (BA) to the lanolin pastes increased basal swelling and callus formation in the cuttings but drastically reduced the percent of rooting.”
e1“‘Oroblanco’, a pummelo-grapefruit hybrid”