Abstract
The plant cane of two sugarcane varieties, GT17 and ROC22, was sprayed with 100 mg/L ethephon at tillering stage, which promoted the sprouting of the next ratoon cane and increased the chlorophyll content in the leaves at young stage. The ratoon cane continuously was treated by spraying 0 mg/L and 100 mg/L ethephon at young and booming stages, respectively. The results showed that the ethephon treatment at young stage promoted the ratoon cane growth, improved the economic characters, and improved the cane yield. Both the ethephon treatments at two stages increased the millable stalks and the ratio of millable stalks to total young shoots, and improved the sucrose content and decreased the reducing sugar in the juice. But the ethephon treatment at booming stage decreased the stalk length, stalk diameter and stalk weight as compared with the control. During relative drought stage, the plants with ethephon treatment showed higher stalk elongation rate, relative water content and ratio of bound water/free water, but lower malondiadehyde, soluble sugar and electrical conductance in the extracted solutions, which suggested that the ethephon treatment improve the drought resistance of the ratoon cane.
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Claims 11
Claim · model-written summary
Ethephon sprayed on plant cane promoted next-ratoon sprouting.
- Taxon
- sugarcanee0
- Treatment
- 100 mg/L ethephon at tillering stagee0
- Outcome
- sprouting of the next ratoon canee0
- Direction
- promotede0
Not reportedComparator
Verbatim
e0“The plant cane of two sugarcane varieties, GT17 and ROC22, was sprayed with 100 mg/L ethephon at tillering stage, which promoted the sprouting of the next ratoon cane”
Claim · model-written summary
Plant-cane ethephon increased young ratoon leaf chlorophyll.
- Taxon
- sugarcanet0
- Treatment
- 100 mg/L ethephon at tillering stagee0
- Outcome
- chlorophyll content in the leavese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“100 mg/L ethephon at tillering stage, which promoted the sprouting of the next ratoon cane and increased the chlorophyll content in the leaves at young stage”
t0“sugarcane”
Claim · model-written summary
Young-stage ethephon promoted ratoon growth and economic characters.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatment at young stagee0
- Outcome
- ratoon cane growthe0
- Direction
- promotede0
Not reportedComparator
Verbatim
e0“the ethephon treatment at young stage promoted the ratoon cane growth, improved the economic characters”
t0“sugarcane”
Claim · model-written summary
Young-stage ethephon improved cane yield.
Not reportedComparator
Verbatim
e0“ethephon treatment at young stage promoted the ratoon cane growth, improved the economic characters, and improved the cane yield”
t0“sugarcane”
Claim · model-written summary
Ethephon at both stages increased millable stalk numbers and their share of shoots.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatments at two stagese0
- Outcome
- millable stalks and the ratio of millable stalks to total young shootse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Both the ethephon treatments at two stages increased the millable stalks and the ratio of millable stalks to total young shoots”
t0“sugarcane”
Claim · model-written summary
Ethephon at both stages improved juice sucrose content.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatments at two stagese0
- Outcome
- sucrose contente0
- Direction
- improvede0
Not reportedComparator
Verbatim
e0“Both the ethephon treatments at two stages increased the millable stalks and the ratio of millable stalks to total young shoots, and improved the sucrose content”
t0“sugarcane”
Claim · model-written summary
Ethephon at both stages decreased juice reducing sugar.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatments at two stagese0
- Outcome
- reducing sugar in the juicee0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“Both the ethephon treatments at two stages increased the millable stalks and the ratio of millable stalks to total young shoots, and improved the sucrose content and decreased the reducing sugar in the juice”
t0“sugarcane”
Claim · model-written summary
Booming-stage ethephon decreased stalk length, diameter and weight against control.
Verbatim
e0“ethephon treatment at booming stage decreased the stalk length, stalk diameter and stalk weight as compared with the control”
t0“sugarcane”
Claim · model-written summary
Under drought, ethephon treated plants had higher stalk elongation, relative water content and bound/free water ratio.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatmente0
- Outcome
- stalk elongation rate, relative water content and ratio of bound water/free watere0
- Direction
- highere0
Not reportedComparator
Verbatim
e0“During relative drought stage, the plants with ethephon treatment showed higher stalk elongation rate, relative water content and ratio of bound water/free water”
t0“sugarcane”
Claim · model-written summary
Under drought, ethephon treated plants had lower malondiadehyde, soluble sugar and electrical conductance.
- Taxon
- sugarcanet0
- Treatment
- ethephon treatmente0
- Outcome
- malondiadehyde, soluble sugar and electrical conductancee0
- Direction
- lowere0
Not reportedComparator
Verbatim
e0“During relative drought stage, the plants with ethephon treatment showed higher stalk elongation rate, relative water content and ratio of bound water/free water, but lower malondiadehyde, soluble sugar and electrical conductance in the extracted solutions”
t0“sugarcane”
Claim · model-written summary
The authors interpreted ethephon treatment as improving ratoon drought resistance.
Verbatim
e0“which suggested that the ethephon treatment improve the drought resistance of the ratoon cane”
t0“sugarcane”
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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.