Abstract
The effect of spraying maleic hydrazide at three concentrations viz., 500, 1000 and 2000 ppm on the 15th. 30th and 45th day after sowing in CS 3541, male parent of CSH5 Sorghum hybrid, either once or twice was observed on plant height. number of leaves, dia- meter of culm. area of 4th leaf. days to panicle emergence. panicle length and pollen sterility. It was found that with increase in the concentrations of the chemical, significant reductions in height of plant, area of 4th leaf and length of panicle were observed. Spray- ing on the 5th day as against 30th or 45th day reduced the height. leaf number, culm diameter, leaf area and panicle length to the maximum. Spraying on 45th day. at 2000 ppm delayed the flowering by 8.83 days but the pollen fertility was reduced by 32.71 per cent whereas, at 500 ppm. flowering was delayed by 4.66 days with no ill-effects on pollen fertility.
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Claims 6
Claim · model-written summary
Higher maleic hydrazide concentrations significantly reduced sorghum plant height, fourth-leaf area, and panicle length.
- Treatment
- Maleic Hydrazidet0
- Outcome
- height of plant, area of 4th leaf and length of paniclee0
- Direction
- reductionse0
Not reportedTaxonComparator
Verbatim
e0“with increase in the concentrations of the chemical, significant reductions in height of plant, area of 4th leaf and length of panicle were observed”
t0“Maleic Hydrazide”
Claim · model-written summary
Spraying on day 5 caused the greatest reductions in height, leaf number, culm diameter, leaf area, and panicle length compared with days 30 or 45.
- Treatment
- Spray- ing on the 5th daye0
- Outcome
- height. leaf number, culm diameter, leaf area and panicle lengthe0
- Direction
- reducede0
- Comparator
- 30th or 45th daye0
Not reportedTaxon
Verbatim
e0“Spray- ing on the 5th day as against 30th or 45th day reduced the height. leaf number, culm diameter, leaf area and panicle length to the maximum”
Claim · model-written summary
A 2000 ppm spray on day 45 delayed flowering by 8.83 days.
Not reportedTaxonComparator
Verbatim
e0“Spraying on 45th day. at 2000 ppm delayed the flowering by 8.83 days”
Claim · model-written summary
A 2000 ppm spray on day 45 reduced pollen fertility by 32.71 percent.
Not reportedTaxonComparator
Verbatim
e0“at 2000 ppm delayed the flowering by 8.83 days but the pollen fertility was reduced by 32.71 per cent”
Claim · model-written summary
A 500 ppm spray delayed flowering by 4.66 days.
Not reportedTaxonComparator
Verbatim
e0“at 500 ppm. flowering was delayed by 4.66 days”
Claim · model-written summary
The 500 ppm spray had no ill effects on pollen fertility.
Not reportedTaxonComparator
Verbatim
e0“at 500 ppm. flowering was delayed by 4.66 days with no ill-effects on pollen fertility”