Abstract
Abstract. Sorghum is an important cereal crop and it is native in African tropical areas. It is a globally cultivated crop and the fifth most important cereal after maize, rice, wheat and barley. The objective of this study was to determine the effects of endosperm type, seed moisture content and threshing methods on percentage threshability and mechanical damage of sorghum seeds. Two varieties of sorghum (Kari-mtama 1 and Seredo) were grown in two diverse locations, Kiboko and Katumani. Variety Kari-mtama1 has hard (vitreous) endosperm while the other variety Seredo has soft (non-vitreous) endosperm. After harvesting, sorghum panicles were dried in the sun and oven. The panicles were threshed separately for each drying method at two moisture levels, namely 18-20% and 13-14%. The three threshing methods used included beating with wooden stick in tied sack, using wooden mortar and pestle as well as using threshing machine. The results showed that the vitreous endosperm variety had significantly high percentage threshability and significantly low mechanical damage than non-vitreous endosperm variety under both drying methods. There was a significant (p≤0.05) increase in threshability and decrease in mechanical damage when the seeds were threshed at 13-14% moisture content compared to 18-20%. For better seed quality, threshing machine is the best method to be used to avoid mechanical damage and seed quality deterioration. Drying methods used to dry seed panicles before threshing had no effects on threshability and mechanical damage. This implies that sorghum panicles can be dried either in the sun or oven without affecting threshability and mechanical damage at the two moisture levels and by using the three threshing methods.
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Claims 6
Claim · model-written summary
The vitreous endosperm sorghum variety had higher percentage threshability than the non-vitreous variety under both drying methods.
- Material
- vitreous endosperm varietye1
- Outcome
- percentage threshabilitye1
- Direction
- highe1
- Comparator
- non-vitreous endosperm varietye1
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e1“The results showed that the vitreous endosperm variety had significantly high percentage threshability and significantly low mechanical damage than non-vitreous endosperm variety under both drying methods”
Claim · model-written summary
The vitreous endosperm sorghum variety had lower mechanical damage than the non-vitreous variety under both drying methods.
- Material
- vitreous endosperm varietye1
- Outcome
- mechanical damagee1
- Direction
- lowe1
- Comparator
- non-vitreous endosperm varietye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e1“The results showed that the vitreous endosperm variety had significantly high percentage threshability and significantly low mechanical damage than non-vitreous endosperm variety under both drying methods”
Claim · model-written summary
Threshing sorghum seeds at 13-14% moisture content increased threshability compared with 18-20% moisture content.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e2“There was a significant (p≤0.05) increase in threshability and decrease in mechanical damage when the seeds were threshed at 13-14% moisture content compared to 18-20%”
Claim · model-written summary
Threshing sorghum seeds at 13-14% moisture content decreased mechanical damage compared with 18-20% moisture content.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e2“There was a significant (p≤0.05) increase in threshability and decrease in mechanical damage when the seeds were threshed at 13-14% moisture content compared to 18-20%”
Claim · model-written summary
A threshing machine is the best threshing method to avoid mechanical damage and seed quality deterioration of sorghum seeds.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e3“For better seed quality, threshing machine is the best method to be used to avoid mechanical damage and seed quality deterioration”
Claim · model-written summary
Drying methods (sun or oven) had no effect on threshability or mechanical damage of sorghum seeds.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Influence of variety endosperm type and seed moisture content on threshability and mechanical damage of sorghum seeds”
e4“Drying methods used to dry seed panicles before threshing had no effects on threshability and mechanical damage”
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