Investigation of cotton genotypes interaction to topping and pix treatment in growth different stag
2005
Seyed Masoumi, Yaghob | Ranjbar, Ja`far
In order to investigation of different cotton genotypes during different stages of growth , 4 genotypes were cultured in factorial experiment (replication number = 3).Factors include : 1- topping and hormone treatment in 4 levels 2- genotypes (4 cutivares). Topping and hormone treatment included : 1- topping in 30 days after flowering 2- hormone treatment in 15 days after flowering ( hormone 1 ) 3- hormone treatment in 30 days after flowering ( hormone 2) 4- standard (without topping and hormone treatment ) . Genotypes included : Sindos , Mehr , Siokra and Varamin. This reaserch is performed in two years. Traits that noted : green percentage , plant high , bud number , earliness and yield. Results of combined analyse with MSTATC program showed that : Siokra * standard (without topping and hormone treatment ) with 3600 kg/ha had highest yield potentional and was at A class , and Varamin * hormone treatment in 15 days after flowering ( hormone 1 ) with 2600 kg/ha had lowest yield potentional
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