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a..@latlon of the€€ palu6t6rs vj,th yteld, oil perc€nlag€, flb!. quantlty and othe! econoDlc characte.lEti*, xoe6ver, th. ne€il for contlnued iDprovdent o! E€n6tic alchlt€ctu!€ ol cotion lrr.nt ls even gE6at6! toiLy than befo!€ to !.c€ th€ prev.lot colplaa o! ili6ea3.3 lnd ln6ect pe6t6 lhd to Dllntaln the teDpo fo! uPratd .Dd 6tabta productlon. trl6 derlve suclr genetlc 1n!o!@tlon, it ts n6ce65a!y to conceivs ol a genotic tod.l, tn !.1a!1oD to Dt€ltal tb.t ir plopoE.d to b€ utlrfz6d. Dl.Iler closging ls oD6 such bpoltaDt ratlng sy.td, rhich t! $sd to e.tlD.te th. g€n.tlc colponebts o! va!1atlon In characler Ea vell aE €l!.ct ilu. to 96n.rar .nd Epeclftc cobblning abltlties. rh€ trovl,edg6 o! coDblnlDq abllity ls naca.saly !o! !:tloDa1 cbolce ol paleht3 In hybrl.dizatlon p.og!a@€. Tho prsse.t stuily elth 9x9 dialtel cro66 analysls vae carled out to knou th. Etr. of g.n€ actloDr In F1 and 12 populatioE aDil ,,ao1at1n9 botter clocr colblnaitong And b.tte! conblnlnE par6nta lb !1 ..d path-aE1y.i6 of lrplanil cotton in 12 genefation. rh6 l.folnatloDa obtrlned ,IIt fulthe! h61p the cotton bleilel5 lD r€haping .ntl iDploving future cottoh breedlng and sgroctton Etlategl€B in th€ country.
CIIAPTER tr REVIEW OF LITERATT'RE ilple evldoc.. !r. !v!11!bl. 1n th6 llteratu!. regardtng vartou. stuiuea l1k gene aclionr coublning .bility, gsetic v.!!b111!y, coselation and path coelficienl analyBl8 ln cottoD (9. hjr€$uo L. ) rnv€stigated by a turber o! aclentlEtE alosd the vorld. the noEt relevant o! rhlch to the pre6ent !€s6a!ch a!€ reviesed hdaelth. a.l GAgEttc trqllata I,.D cotal|rl&t lttLltt sp..gu. and t tu! (r9a2) originally dgflrFit !.it clasgilieil cdbinlng.bluty lnto tro tll)s vi,z. gerelal coDbini.g ablllty .nd .D€cj,r]c coDblning abt1lrt, th€ ten general cdblnlng lbluty (cc}) ras Eed to itenot. tb€ .velage p.rlorenc. o! tl,n€6 1n byblid coiblnallon. anit the t€lr specMc coDbl,nl,ng lblrlry {EcA) va6 tlptlad to raf€. the (l6vhtlon o! cerlai! closs6s troD 6\'pectatton oh th€ ba.l. o! the averagc Fdfondc. o! ttre line6 ihvolve.t. th6y also statgd rhat cciA ras du6 to aalditiv. gene elt.cts Arat scA ras dr to ttre qsa6 rhlch rse itdlnant o! .plstAtlc ln h.tua.
Page 2 and 3: wt@, ,r'Y/n '$we. -"n i (4,-4 !--.t
Page 4 and 5: t h GENIC CONIR,OL OF SOME QUANTITA
Page 6 and 7: ACKNOWLEDGEMENTS rf oc6.r6 turn lnt
Page 8 and 9: I ctlgnn m. II LIST OF CONIENIS '!I
Page 10 and 11: :::i,::ii*l :i:':":$:::"i:'i""'". "
Page 12 and 13: 2A 29 :::i,::il*l :i:':.3i9:::,:"!:
Page 14 and 15: i*'l:l:5*httq+tfft*3l;' 9""';;; i !
Page 16 and 17: E f i:::,"i;E:P:i$#ii'::i ifi. "" t
Page 18 and 19: xt xlr I('II xrv ,(vI XgII tr/w qr.
Page 22 and 23: tqrnar (1953) concruded th.l the
Page 24 and 25: oth r.nilor .nd !i,t6d Eod€ts. !|
Page 26 and 27: vehal6n and nuray (1957) uhIl. usln
Page 28 and 29: 10 dollrant E6ne elt€cts r6re hig
Page 30 and 31: in rr !h*€ partl.I Abo-El-zahab .
Page 32 and 33: 14 Ilht p.rc€ntage ahd lint EtaeD
Page 34 and 35: on-aUe11c lntdlclion rele lDport nt
Page 36 and 37: I3 partlal doElnanc€ unde! .!!!or
Page 38 and 39: 20 vaa obsryeil botleq F€r se p*!
Page 40 and 41: 22 length, ltbr. e€1ght lnd tlbla
Page 42 and 43: 24 oi yield of a6srt cotton. boII n
Page 44 and 45: .cordcd fro! a seven variaty hat! d
Page 46 and 47: 2a coDlrlnariona and &aite s€D6tl
Page 48 and 49: !6latton to other curtlvar. Bhatade
Page 50 and 51: 45 aDil u€Doull shoveit th6 best
Page 52 and 53: va!1€t1€a lnd @lcul.teil th.t o
Page 54 and 55: Epiatatic gen. int6hction fo! boll
Page 56 and 57: sl,Eonqllyan and a.l(}E6dov (1933)
Page 58 and 59: It1lza and xhan (193{) sludled qlnn
Page 60 and 61: 42 xaksudov (1935) Etudl€d tuo El
Page 62 and 63: .tgo advocated the ploDondelance of
Page 64 and 65: charactafs, lhs ellects ol addltivo
Page 66 and 67: xalcy and Garq (rgss) !€colded y1
Page 68 and 69: lounal to b€ op6!at1v6 1n th€ l
Page 70 and 71:
52 para!6ter6 lndLcated hlgh he!1ta
Page 72 and 73:
1nda. The b6at 96n6!!l coDblDelg vd
Page 74 and 75:
l{anq and !i (1991) iniucatqd addlt
Page 76 and 77:
Arh.r lnd Rana (1993) lound thlt De
Page 78 and 79:
nurbe! o! EeedB pe! botl hlghoat co
Page 80 and 81:
€6that6E ol gon€lar coeblnlng a
Page 82 and 83:
Lht indax s.v€ negatlv€ .Bsocia
Page 84 and 85:
SagLdulllha (r9?9) fouDd rsat ahil
Page 86 and 87:
llnd666 dd at!€nqth, Ileon 9! d .
Page 88 and 89:
va!i!nc. p!.doDlnlt€al !o! yi€l
Page 90 and 91:
,ith irr valuE 0.9454 anil 0.8734 l
Page 92 and 93:
zhou (1936) prs66Dt6d leault on het
Page 94 and 95:
lDqeased seed lnder o! hYbllds lncr
Page 96 and 97:
7a bn@r !& 4. (1e9t o!..rvrC thlt !
Page 98 and 99:
a0 tDsslbl€ c!@6eE, lncludlng !
Page 100 and 101:
32 al:l!! taeq&r
Page 102 and 103:
a4 lro! €ach aanple vaE veigheat
Page 104 and 105:
36 dlffgr.nc€E luov the data for
Page 106 and 107:
aa as Dt€lEl e!!.ctr, shoqlal yle
Page 108 and 109:
Ihe E€conal t6gt !o! the6. th!6.
Page 110 and 111:
cuta rt n6Eativ€ 6id. ov.!do!1han
Page 112 and 113:
94 5 i'r; 5,2 g !; lrtl: i:c!E .'.,
Page 114 and 115:
1l . at .itJ,. .cDldry .Dllttt (3.a
Page 116 and 117:
SSilL 98 af .t aq, Lo a9. r{sr.tl4.
Page 118 and 119:
c@poDeDt. ol vA!.lnc6 ior !€clPro
Page 120 and 121:
to2 Bslt.bll,ttl€s j,n bioad aos
Page 122 and 123:
1oa rt. P{ + rr. P|' + r.. P, + !r.
Page 124 and 125:
106 CHAPTER IV RESULTS AND DISCUSSI
Page 126 and 127:
108 Eection the r6ault' o! tio6€
Page 128 and 129:
ll0 '-.,' :iiil::i ;i.:iil.ii"':':.
Page 130 and 131:
l12 the Dll€ antl foDll€ va!I!n
Page 132 and 133:
!.* r* * tL 1. CI! - Ul5 2. A-!2 3-
Page 134 and 135:
lt6 c r F $ i f ; g iF i? ueie'FE-l
Page 136 and 137:
J,r;t,j,j,l ,r; s93i;gsid i ll8 rrr
Page 138 and 139:
120 !-axls b€Ioo th€ ollgiD, h6
Page 140 and 141:
t22 3 g g $ i I i g lr ia iEfiarI*t
Page 142 and 143:
[[iEEE T'ii 6' Pg3 124 rricEg giIS
Page 144 and 145:
i ? 5 9r R E & , i r " I ': I " J 5
Page 146 and 147:
Ett,oo 128 t.rhctFbo 33 lr .a Fi ;P
Page 148 and 149:
Hr{ l- 6- 7- 9- lgt t!q- I h/t Gqf
Page 150 and 151:
132 (19s2) . Slnvagl q! a!. (1es2)
Page 152 and 153:
iidEg Tili 5' 3gi e rg!; I 339-'' t
Page 154 and 155:
dt!oo f ? t t3 t E & , i 99: 999:39
Page 156 and 157:
at5 .!t .!o t^lr ..rt o t. 0. 7. 16
Page 158 and 159:
F f E !r r E d : I i u ! "E 6 ; 3 :
Page 160 and 161:
1^h+Vt !4, tro. 6 h.t P Frt !F lti
Page 162 and 163:
B I ? T ]3 9i;r 5' !t3 E t44 :I'. I
Page 164 and 165:
I { ; t3 F E g: ! s ' 9l ; B os irF
Page 166 and 167:
i i E rg i + F: i I ' * "3 3 " i'i
Page 168 and 169:
149 s). Th. !es!€s61on anaty61. q
Page 170 and 171:
l5l and 8-12 had tb. !.xl!d nub" ot
Page 172 and 173:
l5J obs€lva.t co!pl3t. iloDlnlnc
Page 174 and 175:
155 As !!! aB th€ ElgnMcscE (P
Page 176 and 177:
57 l.i il lr tr r; !; r; E; iEEI E'
Page 178 and 179:
I. 7. 159 tlc- I h/tr rqn ec flbt .
Page 180 and 181:
F F r3 r ! t : ! i 3 !'E ts ; i r i
Page 182 and 183:
JJJJJJ 163 s Ir
Page 184 and 185:
t65 xathcr anil Jink6 (1e7?) .!alya
Page 186 and 187:
"? '? t67 a 9 I !g
Page 188 and 189:
t- 1. 10 trs- u b/t! 4d fd 6ttd rE
Page 190 and 191:
1. 3. 7- E. L7L 'lq- 1| n r{!/Pv l'
Page 192 and 193:
,559 111 l! j
Page 194 and 195:
I r !r {o F t r 6 (l t 175 'd i; I
Page 196 and 197:
I rl !a {o n7 zllort!6., q
Page 198 and 199:
N" 1. a. 6- 7- 9. Ira llc- u} t/Y!
Page 200 and 201:
8l (Tabta-r) .nal !. (Tab16-2) popu
Page 202 and 203:
lE3 A thorouqh plobe Into Tabl6-35
Page 204 and 205:
'I J '? tE5 '3 I
Page 206 and 207:
,' 0oog ot rt, .nE o..'t4 a&t 44 a,
Page 208 and 209:
189 Bak6r and velhal.n (19?3) and x
Page 210 and 211:
l9l f@al€ atiU shoe€al Eignt!1@
Page 212 and 213:
.]' t9J a E J
Page 214 and 215:
195 tbe t€Et6 invalidate the addi
Page 216 and 217:
l9l rvldently, both .ilditlv€ ani
Page 218 and 219:
.'.'? 3 J P:l's 33X$ l9 '? 668.
Page 220 and 221:
ml poput.llong b€cau66 !6!n 6q!a!
Page 222 and 223:
203 a I ii iilElr iiiill iltEiF ii
Page 224 and 225:
poPuratiors rele lhtit due !o f.1lq
Page 226 and 227:
aIL .l +tw-a c6!r.Iatlo. @€rti'l.
Page 228 and 229:
26 rece6atv. allelei. F va8 Bl,gnif
Page 230 and 231:
2\l phenotlrpic E Arasslon of nuDb
Page 232 and 233:
213 pe! plant h6nc€ r€cessive g
Page 234 and 235:
215 6n6u!€ only explolt.tloD o! a
Page 236 and 237:
2t7 Ih€ alegle€ o! doDinance !
Page 238 and 239:
219 coDpoDants initi€tsd that add
Page 240 and 241:
DI coDbinlng ablrtty esti&at.s a6 p
Page 242 and 243:
5 22) 3 9._ x 3 3 P ; t; P rr T I l
Page 244 and 245:
225 Table-so .eveal,s the €stiE.t
Page 246 and 247:
m (19?'l), xua! qg rl. (1974), Rads
Page 248 and 249:
I I 9E s. oF 6g rR *t !-e 229 titst
Page 250 and 251:
EI ara r.latlv6 6Etlrat.6, h6nce th
Page 252 and 253:
co.biDlDq .bluty €!!eqt corbiDlng
Page 254 and 255:
a5 I ? ? E 3 I i IF .F :i T- -. s I
Page 256 and 257:
:t 237 9PA9AA'A I ? t 9 'B I 9l ii
Page 258 and 259:
f,a n9 I I 3 t" !. :I 9r' it rr tF
Page 260 and 261:
ss ul ii*iiiii iiii!Ei E!iiiE earii
Page 262 and 263:
ul stonavllle 731N, NL-1r-62-I x St
Page 264 and 265:
u5 9a*.1 cobblnlng lblllty p.!dt. t
Page 266 and 267:
20 11-62-I r Etoneville ?31Ni and N
Page 268 and 269:
I t .tlgo 24 d6r6:6:-A ;J;.:L!b3; 4
Page 270 and 271:
I 251 iiigitfr! $ dii H r i [$ " ;
Page 272 and 273:
25t ranked at tb. tDlloE (upp6! dia
Page 274 and 275:
255 6v1il.nt flob high vatuos of qe
Page 276 and 277:
757 '-8 e t t s:: r :i-^I:'--- itBg
Page 278 and 279:
259 cotlon pd plant .nd nsber ot bo
Page 280 and 281:
I I : 261 t e PPP9 99P9 9999 9999 t
Page 282 and 283:
63 T -. e I B E t I ?:p: E 9888 r c
Page 284 and 285:
265 Ilrylln or to!!a tER tatltt! al
Page 286 and 287:
267 .6ns6 he!1lrblrity rall€ctEd
Page 288 and 289:
269 tot/iL falcE!! ttD a!l!!! l,rtr
Page 290 and 291:
271 aro6e du€ to diffelont gsneti
Page 292 and 293:
nl LITA PBRCII|IIGI IND IIIRB AlnlN
Page 294 and 295:
n5 t}le bleeding ploglaue. Tbe lesu
Page 296 and 297:
277 {1930) haar al!6.ily report.d p
Page 298 and 299:
279 I,roodedd ana r4al! (1975) corp
Page 300 and 301:
tength .Dd llbr. atlenEth. 28r SITP
Page 302 and 303:
283 @Eolatlon ras arao co.puled by
Page 304 and 305:
285 ba5ed on luhbe! of bolls p6r pl
Page 306 and 307:
a 287 f.9:ty:.9:'r p E F C F t 5 9
Page 308 and 309:
289 (0.442), ltht pqentags (0.1049)
Page 310 and 311:
291 !FnotyD... lorNE portttv. Ctt
Page 312 and 313:
293 CIIAPTER V SUMMARY I 9r.9 dlAU.
Page 314 and 315:
295 tlr€ p.a.nt c {-135 plov.d to
Page 316 and 317:
LITERATURE CITED Abo-El-zahab, !.A.
Page 318 and 319:
X.x., H.l|. Al-Blyaty .nd H€litab
Page 320 and 321:
B6ryr A.A.A., x.A. Blahr, X.Iit. El
Page 322 and 323:
chaDdraD.thlt P.s. .nd p. fidon, 19
Page 324 and 325:
305 a.4.. A.A. tyagl .nd D.s. ch.r.
Page 326 and 327:
G..iyanta, 6.|r. anat o.zh. zharilo
Page 328 and 329:
culbd, R.I(,r G.s. chahat .ad T.ri.
Page 330 and 331:
311 Il
Page 332 and 333:
J.L. .rd B.I. llrFrn. 1953. The dal
Page 334 and 335:
Khan, I.4., I.A. Khan.ntt li.A. Kha
Page 336 and 337:
177 Khan, x.A., lt.I. aadaq.t and t
Page 338 and 339:
(holratov, Kb., D.a. lta€aov and
Page 340 and 341:
J.E. Goze, B. llau, x- Bach6lle!. a
Page 342 and 343:
323 J.8., R.E. Atklns and o.s. srlt
Page 344 and 345:
nathap.tl, s.N., K.G. Hi!€@lh, s.
Page 346 and 347:
xilza, s.8. a.d r{.^. xhan. le8r. c
Page 348 and 349:
P.ti1, ll.s. 197!. corbinlnq abltit
Page 350 and 351:
e RehDan. a., .a. Khan and l. tlass
Page 352 and 353:
achrendlian, J. and P.D. L.fort. 19
Page 354 and 355:
4.N., r.c. Bingh and u,P. slngh 197
Page 356 and 357:
singhi x-i T.t. 6lngb and L.s. Rddl
Page 358 and 359:
Shadaco!, G.L. lnd T.G, u.thod6i.Fp
Page 360 and 361:
341 tu!!n, z.X. 19a2. Eopufatlon an
Page 362 and 363:
3't! volt€nok, F.v., t.B. sokolov
Page 364:
1A 345 llll.on, F.D. .rxl it.l. L..
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