Paper Details

Effect of seeding rate and variety on Wild Oat (Avena Ludoviciana L.)  suppression and yield of spring wheat (Triticum aestivum L.)

Abdol Karim Banisaeidi, Eskander Zand, Adel Modhj, Shahram Lak, Mohammad Ali Baghestani

DOI: https://dx.doi.org/10.12692/ijb/5.12.166-172

Int. J. Biosci. 5(12), 166-172. December, 2014. (PDF)

Abstract:

The studies shown that the use of competitive varieties and crop density is a one of the most important strategies to reduce weed competition with crop. During 2010/2011 and 2011/2012, field experiments were performed to study the effect of wheat seeding rate and varieties on competition between wild oat and wheat. The treatments were seeding rates (152, 190, 228 and 266 kg seeds/ha) and wheat varieties (Chamran and Kavir), grown under high weed pressure. The experimental design was factorial with three replications for each treatment. Results showed that increased of seeding rate was able to reduced wild oat shoot biomass and it increased grain yield and number of spike per m2. Number grain per spike and 1000- grain weight decreased with increasing seeding rate. Wild oat biomass in terms of competition with Chamran significant decreased than Kavir. Information gained in this study support the concept that increasing seeding rate and application competitive varieties can improve crop competitiveness with weeds