Investigation Of Limited Irrigation And Root Harvesting Dates On Yield And Some Of Quality Charactrestics Of Sugar Beet
2006
Sohrabi, Y., Member of Scientific Board | Shakiba, M. R., Member of Scientific Board | Abdollahian Noghabi,, Member of Scientific Board | Rahimzadeh Khoii,, Member of Scientific Board | Tourchi, M., Member of Scientific Board | Fotohi, K., Epert in Agriculture Resaerch Station of Myandoab
In order to evaluate effects of limited irrigation and root harvesting dates on yield and some of quality charactrestics of sugar beet, an experiment was conducted during 2002 in Miandoab Agriculture Research Station using a factorial split plot design arranged in randomized complete block design with three replication. Three irrigation levels 40,70 and %100 of crop water requirement and four genotypes (Rasoul, Shirin, Dorothea and BR1 ) were allocated as factorial design to main plots and five harvesting dates placed in sub plots. Results showed that Dorothea cultivar in full irrigation had maximum amount of root yield and white sugar yield. Increasing of harvesting dates was resulted to enhancing of the traits. The traits had minimum amount at last harvest. The cultivar effect was significant on root yield and sodium and the effect of harvesting date on the potassium, sodium and sugar content. An interactive effect, was observed between irrigation levels and harvesting date on the amount of root yield and white sugar yield and between the kind of cultivar and harvesting date on nitrogen and alocality. This study showed that Dorothea cultivar had least impurity and the most root yield. In the other hand we concluded that if environmental conditions allows, delay in harvesting date will cause improvement of root quality.
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