Abstract
Abstract The ability to sense and respond to physical stimuli is of key importance to all living things. Among the common environmental stimuli detected by living organisms are light, temperature, and a variety of chemical signals. A number of these stimuli appear to be closely related and can be considered as physico-mechanical stimuli. Plant hormones like ethylene have a definite role in plant growth stages from seed germination to senescence and death of plants. Calcium carbide, a solid material, has been proven in recent years to be a new source of this hormone. Calcium carbide absorbs moisture from soil and releases acetylene gas which by the microbial activities are converted to plant hormone ethylene. The role of calcium carbide was studied, especially the effects of this material during the seed germination stage. Under closed conditions this material was applied to okra seeds and its physico-chemical changes in seed during germination were observed. It was concluded from the experiment that calcium carbide has a definite role in okra seed germination as there was early germination and root formation observed in treated seeds with a callus formation on the roots of germinating seeds which developed in to secondary roots in very short time as compare to control in the same period. It was also observed that in treated okra plants, early flowering and fruit formation was initiated which contributed about 27% green pod yield increase in okra. Keywords: acetyleneethylenecalcium carbideokraseed germination ACKNOWLEDGMENTS This study was conducted as a part of PhD project, funded by Higher Education Commission, Islamabad, Pakistan.
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Claims 4
Claim · model-written summary
Calcium carbide applied to okra seeds gave early germination relative to controls under closed conditions.
- Taxon
- okra
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Abelmoschus esculentuse1 - Treatment
- calcium carbidee1
- Outcome
- early germinatione1
- Comparator
- controle2
- Setting
- Under closed conditionse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e1“calcium carbide has a definite role in okra seed germination as there was early germination and root formation observed in treated seeds”
e2“as compare to control in the same period”
e3“Under closed conditions this material was applied to okra seeds”
Claim · model-written summary
Calcium carbide-treated okra seeds formed a callus on germinating roots and secondary roots in a very short time, faster than controls.
- Taxon
- okraAbelmoschus esculentuse1
- Organ / stage
- rootse4
- Treatment
- calcium carbidee1
- Outcome
- secondary rootse4
- Qualifier
- callus formation on the roots of germinating seedse4
- Comparator
- controle4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“calcium carbide has a definite role in okra seed germination as there was early germination and root formation observed in treated seeds”
e4“callus formation on the roots of germinating seeds which developed in to secondary roots in very short time as compare to control in the same period”
Claim · model-written summary
Calcium carbide-treated okra plants initiated early flowering and fruit formation.
- Taxon
- okraAbelmoschus esculentuse5
- Treatment
- calcium carbidee1
- Outcome
- early flowering and fruit formatione5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“calcium carbide has a definite role in okra seed germination as there was early germination and root formation observed in treated seeds”
e5“in treated okra plants, early flowering and fruit formation was initiated”
Claim · model-written summary
Calcium carbide treatment increased green pod yield of okra by about 27%.
- Taxon
- okraAbelmoschus esculentuse6
- Treatment
- calcium carbidee1
- Outcome
- green pod yielde6
- Direction
- increasee6
- Value
- 27%e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“calcium carbide has a definite role in okra seed germination as there was early germination and root formation observed in treated seeds”
e6“contributed about 27% green pod yield increase in okra”
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- positive
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2 papers more in this group
See all 6 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.