Two fieldexperiments were conducted during seasons (I 992/93 and I993/94) at the Agricultural. Research and Experiment Center Faculty o
Agriculture Mostohor. Qalyoubia. Egypt to stuth the effect of sorne herbicides
and fAA concenoalloil on icld and yield components of faba bean Giza 2
cultivar as well as associated ssccds The results resealed thi all sccd control
treatments asc a saticfactor weed coni rol except oxsfluorfcn which gase a poor
ssced control as compared (o the control Fڑandhocيng as well as Topogard and
conibimitioti nl pnoaliii o fluorfcn ssec the best in depressing weed
biornass under this siud. followed b pcnoxaliiى alonc The best weed control of
such fornىcr treatments reflect a good results on seed icld and its components.
ssherc the highest values in seed icid of faba bean and its attributes i.e number
and weight of pods amid secds!planl were remained ith the handhocing
treatment followed b the herbicidal treatments (Topogard. pcnoxahn. pcnoxalin
+ oxiluiorfen and laici caiuic oflumor1eIm)
(‘uncenhiatmomi of IAA liad no smgnificanl cffcct on controlling weeds or
on faba bean seed meld and its components cxccpt plant height in the first season
and seed icld in tli second season conpaicd to the control The dose of 200
ppm IAA slighth iinprocd the icld and sonic of its components and gaie a
slight effect in controlling weeds l’ue Liesi increases in seed yield were obtained
from usimig hamidhoemiw or Topogard tinder bu ppm IAA
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