EFFECT OF SEEDING RATE AND ROW SPACING ON YIELD OF GRAIN AND STRAW OF TRITICALE
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2006, Volume 4, Issue 2, Pages 146-152
AbstractThis experiment was carried out during winter season of 2000 - 2002. The objectives were to determine the effect of different rates of seeding and row spacing on the yield of grain and straw of triticale. A split - plot arrangement with R C B D of four replications was used. Seeding rates, 32, 64, 100, 140, 200 kg/ha, and row spacing: 10 and 30 cm were used. The results showed that rates of seeding had significant effects on spike length. The seeding rate of 64 kg/ha produced the longest spike (9.3 cm), while the shortest was in the treatment of 200 kg/ha (7.8 cm). The combination treatment of 30 cm and 32 kg/ha produced the longest spike (9.8 cm), while the shortest was in the combination of 10 cm and 200 kg/ha (7.1 cm). There were no remarkable differences in the grain yield due to row spacing, but rate of seeding had significant effects. The seeding rate of 100 kg/ha gave higher grain yield (11.78 t/ha) unlike the treatment of 200 kg/ha which gave lowest grain yield (7.2 t/ha). The rate of seeding showed significant differences in straw yield. The rate of 100 kg/ha gave higher straw yield (12.41 t/ha) as combined to 200 kg/ha which gave the lowest (8.77 t/ha). However, the interaction of row spacing with rate of seeding was not significant, indicating that rate of seeding gave the same response in regardless of row spacing in both grain and straw yields. It was concluded to recommend the rate of seeding 100 - 140 kg/ha with any row spacing 10 - 30 cm between rows for triticale to have higher grain yield.
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