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that lnh6!1tanc. o! tbe€€ foE tralts fltt.lt a Dodtflefl<br />

.itititiv€ doDllance-epittatlc !od61. The Bffect6 o!<br />

doninanc6 ard eplstasis va!led sig.lflcahtly ln dtfferert<br />

y€als .nd 1n dlffelent bybfid6. Addltive 6ff€ct3 esle<br />

lelatlvBly stab16 fo! aU fou! cha!.ctds.<br />

Reb!.D g! e!. (1933) lepolted thlt nblt6! of<br />

bolls per plant u€le addltive and non-addittve ln th€1!<br />

actlon ln both aI .nd F2 qenelatton6 vith tb€ plesence ol<br />

non-a11elic irte!.ction. The lint lnder sa5 contlo11ed b!<br />

aitditiv6 typa of gene actlon vlth 9a!tla1 iloEhanc. tn<br />

the teo 9ene.atlon6. ,h€raas th6 lnherltance o! the<br />

charactors lik. yl€Itl ol seed cotto! P€! ptant, Ilnt<br />

pelcentag€ and 6eed lndex qela cohtrolled bv<br />

oveldoDlmnce type or gen€ actl on coDPlicated rltn BoEa<br />

no!-au.tlc lnt.ractlon ln both th€ sd.rAtiole. B_55?<br />

contalnetl the io6t dobln.nt gen6s fo! bolls per pl.n!,<br />

s€ed cotton y1e1d, bo11r6l9h! and l]nt lndex ehl16 9-151<br />

lor 3a6d index lDd stapla lenqth and a-339 tor llnt<br />

slngh.t a1. (1933) @d6 t.n paleDl dlall€l a€t<br />

in cosBvptur h1!Bot6 fo! Il,nt yiard ,6eed y1e1d, stnning<br />

outtun and U,nt haes rlth reFPacl to hetarosis rlat<br />

cotblllng abillty. Non-adiUtiv€ E6nEtic e!!ect6 t6r€

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