Abstract
Studies were concerted on four promising varieties of rice in order to standardize their perfect stage of harvest and ideal harvesting tools/machine to be used for maintaining seed vigour based on their seed development and maturation under kharif/wet season. Findings advocated that the highest quality seed parameters viz., seed weight, germination and vigour were differed significantly with respect to maturity/harvest stages as well harvesting tools. Seed crop of rice harvested just after physiological maturity and or prior to field maturity followed by proper drying and threshing/winnowing minimized physical loss and maintained higher germination and vigour by the proceeding crop season. Impact of combine harvest on seed quality was drastically visualised. So if possible seed production crops/ plots should be avoided for combine harvest. If essentially required under some unavoidable circumstances, harvesting must be done at perfect harvest stage i.e. field maturity (around one week after physiological maturity) of crop following precise calibrations by its well expertized operator. If crop is harvested prior and after to respective maturation, poor seed quality i.e. below prescribed Indian Minimum Seed Certification Standard were appeared.
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Claims 7
Claim · model-written summary
Seed weight, germination and vigour differed significantly by harvest stage and tool.
- Taxon
- rice
Oryza sativat0 - Organ / stage
- maturity/harvest stagese0
- Outcome
- seed weight, germination and vigoure0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed weight, germination and vigour were differed significantly with respect to maturity/harvest stages as well harvesting tools.”
t0“rice”
Claim · model-written summary
Harvest just after physiological maturity or before field maturity with drying and threshing minimized physical loss.
- Taxon
- riceOryza sativae0
- Treatment
- harvested just after physiological maturity and or prior to field maturity followed by proper drying and threshing/winnowinge0
- Outcome
- physical losse0
- Direction
- minimizede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed crop of rice harvested just after physiological maturity and or prior to field maturity followed by proper drying and threshing/winnowing minimized physical loss”
Claim · model-written summary
The same harvest and handling maintained higher germination and vigour into the next crop season.
- Taxon
- riceOryza sativae0
- Treatment
- harvested just after physiological maturity and or prior to field maturity followed by proper drying and threshing/winnowinge0
- Outcome
- germination and vigoure0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed crop of rice harvested just after physiological maturity and or prior to field maturity followed by proper drying and threshing/winnowing minimized physical loss and maintained higher germination and vigour by the proceeding crop season.”
Claim · model-written summary
Combine harvesting markedly affected seed quality.
- Taxon
- riceOryza sativat0
- Treatment
- combine harveste0
- Outcome
- seed qualitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Impact of combine harvest on seed quality was drastically visualised.”
t0“rice”
Claim · model-written summary
Harvest before or after maturation yielded poor seed quality below the Indian standard.
- Taxon
- riceOryza sativat0
- Treatment
- harvested prior and after to respective maturatione0
- Outcome
- seed qualitye0
- Direction
- belowe0
- Comparator
- Indian Minimum Seed Certification Standarde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If crop is harvested prior and after to respective maturation, poor seed quality i.e. below prescribed Indian Minimum Seed Certification Standard were appeared.”
t0“rice”
Claim · model-written summary
The authors recommend avoiding combine harvest for seed production where possible.
- Taxon
- riceOryza sativat0
- Outcome
- avoided for combine harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed production crops/ plots should be avoided for combine harvest.”
t0“rice”
Claim · model-written summary
If combine harvest is necessary, the authors recommend field maturity and precise calibration.
- Taxon
- riceOryza sativat0
- Outcome
- field maturity (around one week after physiological maturity) of crop following precise calibrationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“harvesting must be done at perfect harvest stage i.e. field maturity (around one week after physiological maturity) of crop following precise calibrations by its well expertized operator.”
t0“rice”
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