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morphology and stand geomeËry in relation Éo ts <strong>of</strong> Crop Yield, Amer. Soc. <strong>of</strong> f968. Dwarf rice - a gíant in tropieal Asia. In Science for Better Living, U. S.D.A. yearbook, U.S. covrr prinring Officã, pp. 252-25s . Chowdhry, 4.R., and R.E. Allan, 1963. Inherirance <strong>of</strong> coleoptile lengrh and seedling <strong>height</strong> and rheir relarion to planr <strong>height</strong> <strong>of</strong> four rnrínteï rrheaË crosses. Crop Sci. 3:53_5g. CIMMYT REVIEI,T. L976. pp. 64-67. CLark, R.V. 1975. Influence <strong>of</strong> rorn¡ r,¡iclth and maneb fungicide treatment on disease developement and grain yielcl <strong>of</strong> "...ã1". Can. J. <strong>plant</strong> Sci, 56:23I-236. Clernent, E.L. L972. Evaluation <strong>of</strong> hTheat hybríds and cultívars using a systematÍc Þpaeing design. Diss. Abstr. 33:5:1g92. clements, R.J.' R.J. cross, and p. sanclers. 1974. Effect <strong>of</strong> sor^ri-ng rate on groh'th and yield <strong>of</strong> standard and semÍ-dhrarf r¿heat cultivãrs. Neh, ZeaLand. J. <strong>of</strong> Expr. Agxíc, 2:2:L39_L44. Cochran, trrl.G., and G.M. Cox. 1957. ExperÍmental Design, 2nd edir., publ. John l,Jiley and Sons, Inc., 611 pp. ComsLock. R.E., and R. H. Mol1. 1963. Genotype-environment interactions. In llglþgllgl]qener ic s and <strong>plant</strong> Breedllå. Ed. Hanson, trrr.D. ancl H.Faffi Crook, tr¡.J., and J.M. poehlman. 1971. Ilybrid perforurance among six_ror¡ed hTinÈer barleys (iI. vulgare L.) varying in kernel sizJ. Crop ScÍ. 11 : 818-821. Csefalvai, L. 1968. Investigations on the opt imum gror,¡íng area <strong>of</strong> rÁrheat at normal and close row spacíng. Agrartud. Egyet. Tud, ErË. lg:33_36. (Fie1d Crop Absrr. 1970. 23t3tIB46), cummings, R.hr., and R.iI. Gleason. 1971. The role <strong>of</strong> fertílÍzer in agrícultura1 developemen!. In Fertilízer Technology and Usage, 2ntl edii., ecl. R.A. 01sen, r.J. Arny, ¡..1. ttànw"v.-ãn¿ vlJ. rlÍnàr. publ. sáit sci. Soc. <strong>of</strong> Amer., , Inc, Davis. lt.H., c.K. Middleton, and. T.T. Ilebert 1961. Inherirance <strong>of</strong> protein, texrure and yield in hTheat. Crop Sci. LrZ35_239. 1959. Quantitative inheïicance stud.ies on protein, texturè and yield Ín segregatÍng popurations <strong>of</strong> s<strong>of</strong>t r^rinter wheat. Diss. Abstr. 20. L.C. Card Míe. 59-4684 2L545-!546 . 246
Day, A.D, and R.K. Thonpson, 1970. Dares and rares <strong>of</strong> seeding fall_<strong>plant</strong>ed spring barley. Agron. J. 62:729_73I. Demirlícaknak, 4., M.L. Kaufmann, and I.p.U. Johnson. 1963, The influence <strong>of</strong> seed size and seedíng rate on yíe1d and yield courponents <strong>of</strong> barley. Can. J. <strong>of</strong> planr Science 43:330_337. Den Hartog, G'T. and J.!ü. Lambert. 1953. The relaLionships betraTeên certain agronomic and malting qualíty characters <strong>of</strong> bariey. Agron. J. 452208-2L2. Diehl ' A'L. and J.R. I,Ielsh. 1g72' yield components <strong>of</strong> semi-dwarf and tarl sprÍng r,rheat. I{hr. Info. Servíce. 352L4_f7. Dubetz, S. and J.B. Bole. 1973. <strong>Effects</strong> <strong>of</strong> moisrure stress at and <strong>of</strong> N fe]rtj.]-ízer on three spring wheat culti-vars. Sci.53:1-5. !972. <strong>Effects</strong> <strong>of</strong> nitrogen on yíeld and protein content <strong>of</strong> Manitou and PitÍc wheats grown under irrigatíon. Can. J. <strong>of</strong> <strong>plant</strong> Sci. 52t887-890. Duwayrí, Yf'A' L974. rnherÍtance, variation and interïerat íonships <strong>of</strong> graín and s Era¡'r characteristics <strong>of</strong> six-rowed barley crosses. Diss: ebstr. 3 4, 47 86-8 : ll7 3 -32, 1L4 . Dyck' P'L' and R.J. Baker. r-975. variation and covariatíon <strong>of</strong> agronomic and qualiËy traits ín tr,lo spring hTheat popuLations. crop i.l. ii,fAf_f6S. Easton, H.S. and R.J. Clements. Lg73, The interacfion <strong>of</strong> ¡¿heat genotypes wíth a specifÍc factor <strong>of</strong> rhe environment. J. Agric. sci. õart."à0243_52. El-Hêttab, 4.S., M.S. Kamel, and A.A. Abdel_GaLIL. Lg70. The effect <strong>of</strong> rhe rate <strong>of</strong> seeding and the number <strong>of</strong> irrigations on r,rTheat yíe1d and its components. (1) The effect <strong>of</strong> raËe <strong>of</strong> seeclíng on r^lheat yiefã àna its components. 8u11. <strong>of</strong> the Fac. <strong>of</strong> Agric., univ. <strong>of</strong> cairã, Lg t223_23g, (Field Crop Abst]r. 26;10?4527). Finlay, R.C., E. Reinbergs, and T.B. Daynard. 1971. yield barley to rohT-spacing and seedÍng rate. Can. J. 533. Físcher, R.4., I. Aguilar M., O. Maurer, and S. Rivas A. row spacÍng effects on irri-gated short Ì/heats Agríc. Sc i. Canb. 87:!31-147. Fiuzal, Y. and R.E. AËkins. 1953. Genetic and environmental variability in segregaríng barley populatÍons. Agron. J. 45z4Lh_420. Folkins, L'P' and M.L. Kaufmann ' L974. yield and morphological srudies ü,ith oats for forage and grain production. can. J. piant sci. 54?6L7-62o. 247 early heading Can J. Plant response <strong>of</strong> spring Plant Sci. 57t527- 1976. Density and at lol1r latitude. J.
Page 1 and 2:
University of Mani
Page 3 and 4:
ACKNOWI,EDGMENTS It has been a grea
Page 5 and 6:
ÎABI,E OF TONTENTS av írÞâ dô
Page 7 and 8:
Þâ o-â r Days to l'{aturity ....
Page 9 and 10:
vaal ËÞe rro Days to Heading . ".
Page 11 and 12:
SUGGÊSTIONSFORFIIIURSRESEÀRCH ,.,
Page 13 and 14:
11. Nitrogen Fertil-izer Applicatio
Page 15 and 16:
TABT-,8 42, 43, I+4, r+5. 46. 48. 4
Page 17 and 18:
74. 75" ?6, 77, 78,. 79, 80. 81" 82
Page 19 and 20:
xvii i occurred for yield, but the
Page 21 and 22:
I]TERATURE REVIEW Semi-dwarf Growth
Page 23 and 24:
In the United States the barley bre
Page 25 and 26:
Tabl-e 1. Broad Sense Ileritability
Page 27 and 28:
Table 2. Broad Sense Heritability E
Page 29 and 30:
wíth yield. fhis group discussed t
Page 31 and 32:
ship in common wheat. 0n the other
Page 33 and 34:
c onpared 'r . Two other important
Page 35 and 36:
eported a non-significant positive
Page 37 and 38:
majority of studie
Page 39 and 40:
correfation between diastatic power
Page 41 and 42:
extent. Frey et al-. (1951) indicat
Page 43 and 44:
seni-dwarf wheats to nitrogen ferti
Page 45 and 46:
number of spíkes
Page 47 and 48:
Stanberry and Lowrey (L965) reporte
Page 49 and 50:
Íright be of grea
Page 51 and 52:
from varyíng seeding rates in barl
Page 53 and 54:
Reports on the effect of</s
Page 55 and 56:
the effect of seed
Page 57 and 58:
l,upton et 41. (7974) pointed out t
Page 59 and 60:
Table 3. Pedigrees of</stro
Page 61 and 62:
(4) 200 Kernel weight * record.ed i
Page 63 and 64:
population, using individual line m
Page 65 and 66:
Site Sanford 19?6 Clay Cawnan 19?6
Page 67 and 68:
Orthogonal single degree of
Page 69 and 70:
Experiment lV: _-.t0qlepptite lenet
Page 71 and 72:
ferences between genotype s which w
Page 73 and 74:
and plant
Page 75 and 76:
Table 7. con¡tonêlts of</
Page 77 and 78:
was significant" fhe only case in w
Page 79 and 80:
(28 to 5B/"), as reported by nost o
Page 81 and 82:
Table 8. Continued Range Lor{est Li
Page 83 and 84:
the Highest Yielding l,ines within
Page 85 and 86:
Phenot:'¡pic Corre-Lations Sinpl-e
Page 87 and 88:
Table 10. (Cortínued) Châracteris
Page 89 and 90:
did Syme (f972), Fonseca and patter
Page 91 and 92:
significant negative correlation wi
Page 93 and 94:
elãted negative association betwee
Page 95 and 96:
Aglononie ChArae'qeri s! ic s Pl"an
Page 97 and 98:
Table 12. N1Ërogen FertLlizer Àpp
Page 99 and 100:
Teble 14. NltrogeÍ FertLlLzêr ApP
Page 101 and 102:
Table 15. NíËrogen ¡'ertil,izer
Page 103 and 104:
lable 16. Nltrogen Fertlllzer Appll
Page 105 and 106:
freedom comparison indicated lqínn
Page 107 and 108:
lab1e 19. Nftrogen trertÍlizer Áp
Page 109 and 110:
Tâble 20, Nltrogei¡ FeltLltzêr A
Page 111 and 112:
TabIe 22, Nltrogen Fertillzer Appli
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Table 23. Nitrogen Fertilizer Appl
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TabLe 25. Nltrogen Fefttlizef Appll
Page 117 and 118:
itable 26. Nitrogen Fertfllzer Appl
Page 119 and 120:
latlê 28. Nltrogen ¡'ertlllrer Ap
Page 121 and 122:
Sanford â.nd Carnan, 1926, Since N
Page 123 and 124:
Tabl-e 31 . Nítrogen Fertilizer Ap
Page 125 and 126:
Îable33. Nítrogen Fertllizer Appl
Page 127 and 128:
Table 34. Nitrogen Fertilfzer Appli
Page 129 and 130:
îab1ê 36. NLtrogeî Fertl,LLzer A
Page 131 and 132:
Table 38. Nitrogen Fertllizer Appli
Page 133 and 134:
lab1e 39,. NLtrogen Fertllf¿er App
Page 135 and 136:
Table 41. Nitïogen Iertillzer Appl
Page 137 and 138:
Table 42. Nitrogen Fertllizer Appli
Page 139 and 140:
'IabLe 44. Nítrogen ¡'ertilizer A
Page 141 and 142:
Q UAT,TTY Cltq.RÀcTER rsrf ts Q ua
Page 143 and 144:
lable 47. Nitrogen ¡'ertilLzer App
Page 145 and 146:
Table 49. Nltrogen ferrlllzer AppLl
Page 147 and 148:
îhe F x G i.nteraction at portage
Page 149 and 150:
fable 52, Nltrogen Fertfllze¡ Appl
Page 151 and 152:
'labLe 54- Seedlng Råte - Row Spac
Page 153 and 154:
Table 55. Seeding Rate - Ror'7 Spac
Page 155 and 156:
Table 57. Seeding Rate - Roúr Spac
Page 157 and 158:
while the tall sho\^/ed virtually n
Page 159 and 160:
Table 59. Seedlûg Rate - Row Spacl
Page 161 and 162:
Table 60. Seedlng Rate - Row Spacin
Page 163 and 164:
Table 61. Seedlng Rate - RotT Spaci
Page 165 and 166:
Table 62, SeedLng Rate - Rorar Spac
Page 167 and 168:
?áble 64. Seedlng Rare - Ror.r Spa
Page 169 and 170:
Table 65. SeedÍng Rate - Row Spaci
Page 171 and 172:
Table 67. Seedfng Rate - Row Spací
Page 173 and 174:
Table 68. AN0VA for Coleoptile Leng
Page 175 and 176:
'Iable 72. Means for Experíment IV
Page 177 and 178:
Table 73. (Continued ) B Variables
Page 179 and 180:
'IabLe 74' Ranks of</strong
Page 181 and 182:
Table 76. cenotype Means for Root D
Page 183 and 184:
fabTe ?6 Cid not indicate this diff
Page 185 and 186:
Table 79. Ranks of
Page 187 and 188:
Tabl"e 81. ANOVA for Number <strong
Page 189 and 190:
the second v¡as not significant (f
Page 191 and 192:
Table 85. Mean Numbers of</
Page 193 and 194:
of two locations f
Page 195 and 196:
have increased the precision <stron
Page 197 and 198:
showed no environmental interaction
Page 199 and 200:
yield testlng experiments. Furtherm
Page 201 and 202:
could in part account for the poor
Page 203 and 204:
signlficant, the correl_ations were
Page 205 and 206:
height and the qua
Page 207 and 208:
trial period. The area in which the
Page 209 and 210:
any specific cross. However, they d
Page 211 and 212:
as strong nor as consl-stent as is
Page 213 and 214: with several critical agronomic par
Page 215 and 216: maturity and days in post-anthesis
Page 217 and 218: significantry rerated to several ot
Page 219 and 220: icularly when nore optimum growing
Page 221 and 222: would be useful to know the rerativ
Page 223 and 224: Kernel Weight Added N had little ef
Page 225 and 226: much as the tall genotypes. Also th
Page 227 and 228: îhe effects of N
Page 229 and 230: with the overall results of
Page 231 and 232: Phenotypicaì.J_y novel gernplasm,
Page 233 and 234: drastícaIIy changed phenotype as t
Page 235 and 236: should not be recomnended for produ
Page 237 and 238: One of the problem
Page 239 and 240: The associatíon between root growt
Page 241 and 242: GENER¡.L DTSCUSS]ON Since desired
Page 243 and 244: inheríted" observation of<
Page 245 and 246: indicated by this study suggests th
Page 247 and 248: individual lines. It is generally c
Page 249 and 250: sístent suppLy of
Page 251 and 252: possibílity of ir
Page 253 and 254: Testing et one site for one year wa
Page 255 and 256: height genotJpes t
Page 257 and 258: ïn terms of the o
Page 259 and 260: Concern has been expressed by dryla
Page 261 and 262: ), +. ( 6, 7, Attempts should be ma
Page 263: Beech' D.F" and M.J.T, Norman. 196g
Page 267 and 268: Guitard, 4,4., J.A. Neûrnan, and p
Page 269 and 270: Konishi, T. L976. The nature and ch
Page 271 and 272: Pawlisch, P.E., and H.L. shandp. Lg
Page 273 and 274: Sisler, I^I.I^I, and p.J. Olsen. 19
Page 275 and 276: trIoodward, R.trI. 7956. The effect
Page 277 and 278: Appetrdr*' cenotvprc ìlêans fot j
Page 279 and 280: ^ppendlx conrlnue¿- Genotype Plán
Page 281 and 282: .9anul¡uor xlpuâd¡¡V ezro tzz ,
Page 283 and 284: ^pIe¡¡¿tx conrtnued. Solu It lß
Page 285: ¿\tÎen¿lr conÈtnu€d, .,¡ÃE
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