Abstract
The study was conducted to evaluate the effects of variety, plant spacing and stage of harvest on the forage yield components of two sorghum varieties (Sorghum bicolor L. Moench) at the National Animal Production Research Institute Shika, Zaria. The agronomic study was laid in a 2 × 3 × 5 factorial arrangement of a Split Plot Design with three replicates, which consist of two varieties (bush head and sweet sorghums), three plant spacing (15 × 85, 20 × 85 and 25 × 85 cm) and five stages of harvest (6, 8, 10, 12 and 14 weeks after sowing), respectively. The forage yield was determined at 14 weeks after sowing (WAS). Leaf length (68.68 cm), stem diameter (7.13 cm), number of leaves per plant (12.02) and leaf area index (2.78) were significantly (p<0.05) higher in bush head sorghum variety. Similarly, plant spacing significantly (p<0.05) affected the leaf area index (LAI) with the highest leaf area index recorded in 15 × 85 cm plant spacing. There was significant (p<0.05) interaction between variety and plant spacing. Stage of harvest significantly (p<0.05) affected all the growth parameters with 14 weeks having the highest (223.88 cm) plant height and 10.37 number of leaves per plant and the stage of harvest at 12 weeks after sowing (WAS) recorded the highest 69.84 cm leaf length, 6.82 cm leaf width and 2.46 leaf area index. While stage of harvest at 6 and 10 weeks after sowing (WAS) also having the highest number of tillers per plant and stem diameter of 1.24 and 6.47 cm respectively. Fresh forage yield was significantly (p<0.05) higher (42.92 t/ha) in bush head sorghum variety not and plant spacing significantly (p<0.05) affected fresh forage and dry matter yields at 14 weeks after sowing (WAS). The highest fresh forage yield (41.81 t/ha) and dry matter yield (7.99 t/ha) were recorded in 15 × 85 cm plant spacing. It was concluded, that harvesting of Sorghum bicolor bush head and sweet sorghum varieties for forage is to be best carried out at 14 weeks after sowing for better forage productivity. L'étude a été menée pour évaluer les effets de la variété de sorgho, et faisant l'espace des plantes sur les composantes de rendement fourrage de deux variétés de sorgho (Sorgho bicolore L. Moench) à l'Institut National de Recherche sur la Production Animale Shika, Zaria. L'étude agronomique a été posée dans un 2 × 3 × 5 arrangement factorial d'une conception de parcelle divisée avec trois répliques, qui se composent de deux variétés (leEffect of variety and plant spacing on yield components of two sorghum varieties (Sorghum bicolor l. Moench)'bush head' et sorghos sucrés), de trois espacements végétaux (15 × 85, 20 × 85 et 25 × 85 cm) et de cinq étapes de récolte (6, 8, 10, 12 et 14 semaines après le semailles), respectivement. Le rendement du fourrage a été déterminé à 14 semaines après la semailles (le 'WAS'). La longueur des feuilles (68,68 cm), le diamètre de la tige (7,13 cm), le nombre de feuilles par plante (12,02) et l'indice de la superficie des feuilles (2,78) étaient significativement (p<0,05) plus élevés dans la variété de sorgho 'bush head'. De même, l'espacement des plantes de façon significative (p<0,05) a affecté l'indice de la superficie des feuilles (le 'LAI') avec l'indice de superficie folio-feuille le plus élevé enregistré en 15 × espacement des plantes de 85 cm. Il y avait une interaction significative (p<0,05) entre la variété et l'espacement des plantes. L'étape de la récolte a eu une incidence importante (p<0,05) sur tous les paramètres de croissance, 14 semaines ayant la hauteur végétale la plus élevée (223,88 cm) et 10,37 le nombre de feuilles par plante et le stade de la récolte à 12 semaines après le semis (WAS) ayant enregistré la longueur de feuilles la plus élevée de 69,84 cm, la largeur des feuilles de 6,82 cm et l'indice de la superficie des feuilles de 2,46 feuilles. Alors que le stade de la récolte à 6 et 10 semaines après le semailles (le 'WAS') a également le plus grand nombre de laboureurs par plante et le diamètre de la tige de 1,24 et 6,47 cm respectivement. Le rendement des fourrages frais était significativement (p<0,05) plus élevé (42,92 t/ha) dans la variété de sorgho de la tête de brousse et l'espacement des plantes de façon significative (p<0,05) affectait les rendements de fourrage frais et de matière sèche à 14 semaines après le semis (le 'WAS'). Le rendement le plus élevé en fourrage frais (41,81 t/ha) et en matière sèche (7,99 t/ha) a été enregistré dans 15 × espacement des plantes de 85 cm. Il a été conclu que la récolte de 'bush head' bicolore de Sorgho et des variétés de sorgho sucré pour le fourrage doit être effectuée au mieux 14 semaines après la semailles pour une meilleure productivité fourragère.
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Claims 14
Claim · model-written summary
Bush head sorghum had higher leaf length, stem diameter, leaf number, and leaf area index.
- Material
- bush head sorghume0
- Outcome
- Leaf length (68.68 cm), stem diameter (7.13 cm), number of leaves per plant (12.02) and leaf area index (2.78)e0
- Direction
- highere0
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf length (68.68 cm), stem diameter (7.13 cm), number of leaves per plant (12.02) and leaf area index (2.78) were significantly (p<0.05) higher in bush head sorghum variety”
Claim · model-written summary
Leaf area index was highest at 15 × 85 cm spacing.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant spacing significantly (p<0.05) affected the leaf area index (LAI) with the highest leaf area index recorded in 15 × 85 cm plant spacing”
t0“sorghum”
Claim · model-written summary
Variety and spacing had a significant interaction.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was significant (p<0.05) interaction between variety and plant spacing”
t0“sorghum”
Claim · model-written summary
Plant height was highest at 14 weeks after sowing, reaching 223.88 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“14 weeks having the highest (223.88 cm) plant height”
t0“sorghum”
Claim · model-written summary
Leaf number reached 10.37 per plant at 14 weeks.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“14 weeks having the highest (223.88 cm) plant height and 10.37 number of leaves per plant”
t0“sorghum”
Claim · model-written summary
Leaf length was highest at 12 weeks, reaching 69.84 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the stage of harvest at 12 weeks after sowing (WAS) recorded the highest 69.84 cm leaf length”
t0“sorghum”
Claim · model-written summary
Leaf width reached 6.82 cm at 12 weeks.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“6.82 cm leaf width and 2.46 leaf area index”
t0“sorghum”
e1“the stage of harvest at 12 weeks after sowing (WAS) recorded the highest 69.84 cm leaf length”
Claim · model-written summary
Leaf area index reached 2.46 at 12 weeks.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2.46 leaf area index”
t0“sorghum”
e1“the stage of harvest at 12 weeks after sowing (WAS) recorded the highest 69.84 cm leaf length”
Claim · model-written summary
Tiller number was highest at 6 weeks, reaching 1.24 per plant.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stage of harvest at 6 and 10 weeks after sowing (WAS) also having the highest number of tillers per plant and stem diameter of 1.24 and 6.47 cm respectively”
t0“sorghum”
Claim · model-written summary
Stem diameter was highest at 10 weeks, reaching 6.47 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stage of harvest at 6 and 10 weeks after sowing (WAS) also having the highest number of tillers per plant and stem diameter of 1.24 and 6.47 cm respectively”
t0“sorghum”
Claim · model-written summary
Bush head sorghum had higher fresh forage yield of 42.92 t/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fresh forage yield was significantly (p<0.05) higher (42.92 t/ha) in bush head sorghum variety”
Claim · model-written summary
Fresh forage yield was highest at 15 × 85 cm spacing, at 41.81 t/ha.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest fresh forage yield (41.81 t/ha) and dry matter yield (7.99 t/ha) were recorded in 15 × 85 cm plant spacing”
t0“sorghum”
Claim · model-written summary
Dry matter yield was highest at 15 × 85 cm spacing, at 7.99 t/ha.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest fresh forage yield (41.81 t/ha) and dry matter yield (7.99 t/ha) were recorded in 15 × 85 cm plant spacing”
t0“sorghum”
Claim · model-written summary
The authors recommend harvesting both sorghum varieties at 14 weeks for forage productivity.
- Taxon
- Sorghum bicolor
Sorghum bicolore0 - Material
- bush head and sweet sorghum varietiese0
- Outcome
- harvesting of Sorghum bicolor bush head and sweet sorghum varieties for forage is to be best carried out at 14 weeks after sowinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“harvesting of Sorghum bicolor bush head and sweet sorghum varieties for forage is to be best carried out at 14 weeks after sowing for better forage productivity”
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