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Paper Information

Journal:   INTERNATIONAL JOURNAL OF PLANT PRODUCTION   JANUARY 2013 , Volume 7 , Number 1; Page(s) 55 To 65.
 
Paper: 

INFLUENCE OF HERBICIDES ON YIELD STABILITY OF WINTER WHEAT CULTIVARS UNDER DIFFERENT SOWING RATES

 
 
Author(s):  WEBER R., KIELOCH R.*
 
* INSTITUTE OF SOIL SCIENCE AND PLANT CULTIVATION, DEPARTMENT OF WEED SCIENCE AND TILLAGE SYSTEMS, WROCLAW, POLAND
 
Abstract: 

Yield variability of selected winter wheat cultivars under different sowing rate and selected application, was investigated during 2006-2008, in the Lower Silesia region (South-West Poland). Experiments with two varieties, two levels of sowing rate and seven herbicides, including untreated object were set up on the same field, using split-plot method. For evaluation of yield stability Kang's yieldstability statistic (YS) was applied. Examined herbicides did not influence grain yield of both cultivars, at standard wheat density (450 seeds/m2). Under low density, Kobra Plus variety showed variable reaction to herbicides. Iodosulfuron methyl sodium+diflufenican+mezosulfuron methyl, mecoprop+MCPA+dicamba and iodosulfuron methyl sodium+amidosulfuron resulted in yield increment in comparison with untreated object, whilst dicamba+triasulfuron gave opposing effect. Yield stability at different herbicide objects during 3-years period was considerably variable and dependent on cultivar and sowing rate. Yield of both cultivars, obtained from plots treated with iodosulfuron methyl sodium+diflufenican+mezosulfuron methyl, iodosulfuron methyl sodium+amidosulfuron and mecoprop+MCPA+dicamba, under low density was comparable with standard sowing.

 
Keyword(s): WHEAT, CULTIVAR, YIELD STABILITY, SOWING RATE, HERBICIDES
 
References: 
 
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