Abstract
AbstractA randomized block split-plot experiment was established at Burgershall Research Station, eastern Transvaal to compare three cultivars (Williams, Dwarf Cavendish and Grand Nain) and three types of planting material (conventional 2 kg pared suckers, 200 and 500 mm high, tissue cultured plants rooted in bags). In the first crop cycle (P), tissue culture (TC) plants were up to 300 mm taller than conventional suckers (CON) at flowering. Over all three cultivars, TC plants yielded 56 t ha-1 annum"1 which was 20.4% higher than CON plants, due to larger bunches and a shorter cycle to harvest. Cvs Williams and Grand Nain yielded similarly at 54 t ha-1 annum-1 which was 9% more than 'Dwarf Cavendish' over all planting materials. There were 30 (1.76%) distinct somaclonal variants in the plantation of 1,700 plants. In the second crop cycle (Rl), there was a significant carry-over effect with TC plants, as shown by the increased vigour and size of the first ratoon followers selected on TC mother plants. Such TC followers outyielded CON followers by 18.6% in the second cycle, almost matching the first cycle. In the third crop cycle (R2) there was no difference in plant size between TC and CON, although a yield increase of 9.6% in favour of TC was obtained, indicating a reduced carry-over effect of TC by the third cycle. After three cycles, the average annual yield increase with TC was 19.4% for 'Dwarf Cavendish', 15% for 'Williams' and 13% for 'Grand Nain'.
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Claims 12
Claim · model-written summary
Tissue-culture plants were up to 300 mm taller at first-cycle flowering.
Verbatim
e0“In the first crop cycle (P), tissue culture (TC) plants were up to 300 mm taller than conventional suckers (CON) at flowering.”
t0“banana”
Claim · model-written summary
Tissue-culture plants yielded 56 t ha-1 annum"1, 20.4% above conventional plants.
Verbatim
e0“Over all three cultivars, TC plants yielded 56 t ha-1 annum"1 which was 20.4% higher than CON plants, due to larger bunches and a shorter cycle to harvest.”
t0“banana”
Claim · model-written summary
Tissue-culture plants had larger bunches and a shorter harvest cycle.
Verbatim
e0“Over all three cultivars, TC plants yielded 56 t ha-1 annum"1 which was 20.4% higher than CON plants, due to larger bunches and a shorter cycle to harvest.”
t0“banana”
Claim · model-written summary
Williams and Grand Nain each yielded 54 t ha-1 annum-1, 9% above Dwarf Cavendish.
Verbatim
e0“Cvs Williams and Grand Nain yielded similarly at 54 t ha-1 annum-1 which was 9% more than 'Dwarf Cavendish' over all planting materials.”
t0“banana”
Claim · model-written summary
Thirty plants, 1.76% of the plantation, were distinct somaclonal variants.
Verbatim
e0“There were 30 (1.76%) distinct somaclonal variants in the plantation of 1,700 plants.”
t0“banana”
Claim · model-written summary
First ratoon followers from tissue-culture mothers had greater vigor and size.
- Taxon
- bananat0
- Treatment
- TC mother plantse0
- Outcome
- vigour and size of the first ratoon followerse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“In the second crop cycle (Rl), there was a significant carry-over effect with TC plants, as shown by the increased vigour and size of the first ratoon followers selected on TC mother plants.”
t0“banana”
Claim · model-written summary
Tissue-culture followers outyielded conventional followers by 18.6% in cycle two.
Verbatim
e0“Such TC followers outyielded CON followers by 18.6% in the second cycle, almost matching the first cycle.”
t0“banana”
Claim · model-written summary
Cycle-three plant size did not differ by planting material.
Verbatim
e0“In the third crop cycle (R2) there was no difference in plant size between TC and CON, although a yield increase of 9.6% in favour of TC was obtained, indicating a reduced carry-over effect of TC by the third cycle.”
t0“banana”
Claim · model-written summary
Cycle-three yield was 9.6% higher for tissue-culture plants.
Verbatim
e0“In the third crop cycle (R2) there was no difference in plant size between TC and CON, although a yield increase of 9.6% in favour of TC was obtained, indicating a reduced carry-over effect of TC by the third cycle.”
t0“banana”
Claim · model-written summary
After three cycles, tissue culture increased annual Dwarf Cavendish yield by 19.4%.
- Taxon
- bananat0
- Material
- Dwarf Cavendishe0
- Treatment
- TCe0
- Outcome
- average annual yielde0
- Direction
- increasee0
- Value
- 19.4%e0
Not reportedComparator
Verbatim
e0“After three cycles, the average annual yield increase with TC was 19.4% for 'Dwarf Cavendish', 15% for 'Williams' and 13% for 'Grand Nain'.”
t0“banana”
Claim · model-written summary
After three cycles, tissue culture increased annual Williams yield by 15%.
- Taxon
- bananat0
- Material
- Williamse0
- Treatment
- TCe0
- Outcome
- average annual yielde0
- Direction
- increasee0
- Value
- 15%e0
Not reportedComparator
Verbatim
e0“After three cycles, the average annual yield increase with TC was 19.4% for 'Dwarf Cavendish', 15% for 'Williams' and 13% for 'Grand Nain'.”
t0“banana”
Claim · model-written summary
After three cycles, tissue culture increased annual Grand Nain yield by 13%.
- Taxon
- bananat0
- Material
- Grand Naine0
- Treatment
- TCe0
- Outcome
- average annual yielde0
- Direction
- increasee0
- Value
- 13%e0
Not reportedComparator
Verbatim
e0“After three cycles, the average annual yield increase with TC was 19.4% for 'Dwarf Cavendish', 15% for 'Williams' and 13% for 'Grand Nain'.”
t0“banana”
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