Paper Information

Journal:   JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)   SUMMER 2009 , Volume 3 , Number 10; Page(s) 25 To 38.
 
Paper: 

EFFECT OF MICRO ELEMENTS APPLICATION METHOD ON MONOGERM SUGARBEET CV. RASUL PRODUCTION

 
 
Author(s):  YARNIA M., FARAJZADEH E., REZAIE F., AHMADZADEH V., NOBARI N.
 
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Abstract: 

In order to evaluate the reflection of sugar beet cv. Rasul to application methods of micro elements, a factorial experimental based on randomized complete blocks design with three replications was conducted during 2006. The treatments were types of micro elements at 5 levels: without the use of micro elements (control), ZnSo4, MnSo4, FeSo4 and Boric acid and the application methods at 3 levels: coated with the seed, soil application and foliar application. The foliar application treatments, with 0.005 concentrations experimental in per units were performed at two times, first in 8-10 and second in 14-16 leaf stages. The characteristics evaluated were: root yield, biomass, and harvest index, percentage of sugar and dry matter. ANOVA showed that the effect of micro elements on root yield, harvest index, percentage of dry matter and sugar were significant. The effect of the micro elements application method and interaction of examined factors was significant only in root yield and percentage of sugar. Based on the results obtained it can be said that increased in root yield, sugar percent and dry matter, harvest index and biomass significantly. Foliar application of Fe and Mn and the soil application of B and Zn produced higher root yield as compared with the other application methods. The high percentage of sugar production was made possible by the foliar application of Fe and soil application of other 3 elements. The highest root yield with Fe foliar application was equal to 6.143 kg.m-2 and the highest percentage of sugar with soil application of Zn was equal 18.32%, which resulted in the highest percentage of root dry matter production in (19.44%). The application of micro elements increased harvest index from the minimum amount 53.85% to maximum amount 72.27% when Mn was used. Thus, the application of micro elements, despite the methods used can increase percentage of sugar, by increasing leaf area duration, photosynthetic ability of plant and metabolic functions.

 
Keyword(s): APPLICATION METHOD, MICRO ELEMENTS, ROOT YIELD, SEED COATING, SUGAR BEET
 
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