Abstract
Abstract Grafting of fresh cuttings using drought-susceptible and low-yielding clones as scions on drought-tolerant clones as rootstocks offers the possibility of raising composite plants with improved productivity and drought tolerance. Hence, the study was aimed to widen the choice of compatible composites and to delineate the underlying factors responsible for productivity and drought tolerance in grafted plants. One year-old composite plants of TRF-1, TRF-2 and UPASI-28 cleft-grafted on the rootstocks of UPASI-2, UPASI-9, ATK-1 and TRI-2025 were field planted along with their respective controls and evaluated. The results indicated that productivity and drought tolerance of scion clones varied significantly with the rootstocks used. Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1, TRF-2 grafted on all four rootstocks, and UPASI-28 grafted on UPASI-9, TRI-2025 and UPASI-2. The findings clearly emphasize the scion–rootstock interaction as the critical determinant of productivity in grafted plants compared with vigour, drought tolerance and yield potential of scion and rootstock clones. Further, high-yielding capacity of grafts over the ungrafted scions and rootstocks was largely dependent on the yield potential of the scion clone and the degree of scion–rootstock compatibility. Higher field survival and enhanced yield observed during the drought period in the compatible grafts demonstrated their better drought tolerance compared with their respective self-rooted scions.
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Claims 12
Claim · model-written summary
Tea scion productivity varied significantly with rootstock.
Not reportedDirection
Verbatim
e0“productivity and drought tolerance of scion clones varied significantly with the rootstocks used.”
t0“tea clones”
Claim · model-written summary
Tea scion drought tolerance varied significantly with rootstock.
Not reportedDirection
Verbatim
e0“productivity and drought tolerance of scion clones varied significantly with the rootstocks used.”
t0“tea clones”
Claim · model-written summary
TRF-1 on UPASI-9 increased yield and yield components relative to self-rooted scions.
- Material
- TRF-1e0
- Treatment
- grafted on UPASI-9e0
- Outcome
- yield and yield componentse0
- Direction
- increasese0
- Comparator
- self-rooted scion clonese0
Not reportedTaxon
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1”
Claim · model-written summary
TRF-1 on ATK-1 increased yield and yield components relative to self-rooted scions.
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1”
t0“tea clones”
Claim · model-written summary
TRF-2 on all four rootstocks increased yield and yield components.
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1, TRF-2 grafted on all four rootstocks”
t0“tea clones”
Claim · model-written summary
UPASI-28 on UPASI-9 increased yield and yield components.
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1, TRF-2 grafted on all four rootstocks, and UPASI-28 grafted on UPASI-9, TRI-2025 and UPASI-2.”
t0“tea clones”
Claim · model-written summary
UPASI-28 on TRI-2025 increased yield and yield components.
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1, TRF-2 grafted on all four rootstocks, and UPASI-28 grafted on UPASI-9, TRI-2025 and UPASI-2.”
t0“tea clones”
Claim · model-written summary
UPASI-28 on UPASI-2 increased yield and yield components.
Verbatim
e0“Significant increases in yield and yield components were noted in the following graft combinations compared with their corresponding self-rooted scion clones: TRF-1 grafted on UPASI-9 and ATK-1, TRF-2 grafted on all four rootstocks, and UPASI-28 grafted on UPASI-9, TRI-2025 and UPASI-2.”
t0“tea clones”
Claim · model-written summary
Scion-rootstock interaction was the critical determinant of grafted tea productivity.
Verbatim
e0“scion–rootstock interaction as the critical determinant of productivity in grafted plants compared with vigour, drought tolerance and yield potential of scion and rootstock clones”
t0“tea clones”
Claim · model-written summary
High yield of grafts depended on scion yield potential and scion-rootstock compatibility.
Verbatim
e0“high-yielding capacity of grafts over the ungrafted scions and rootstocks was largely dependent on the yield potential of the scion clone and the degree of scion–rootstock compatibility.”
t0“tea clones”
Claim · model-written summary
Compatible grafts had higher field survival during drought than self-rooted scions.
Verbatim
e0“Higher field survival and enhanced yield observed during the drought period in the compatible grafts demonstrated their better drought tolerance compared with their respective self-rooted scions.”
t0“tea clones”
Claim · model-written summary
Compatible grafts had enhanced yield during drought than self-rooted scions.
Verbatim
e0“Higher field survival and enhanced yield observed during the drought period in the compatible grafts demonstrated their better drought tolerance compared with their respective self-rooted scions.”
t0“tea clones”
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See all 9 papers →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.