Effects of reduced plant height on breeding requirements and ...

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McNeaL ' F.iI., M'4. Beïg, v.R. sterarart, and D,E. BardrÍdge. 1972. Ag ronornic response <strong>of</strong> three heighÈ cLasses <strong>of</strong> spring whãat, T, aestiirun L., comparêd at dífferent yield leve1s. Agron. ;. 64t%246tr:- ---, P.I. Brornm, and C.F. Mcculre. Lg7I. productÍvity ând qualíry response <strong>of</strong> fiy:_"?I1"g wheat genorypes to nirrogen fert.íIízer. Agron. J. 63:9Og-Þ10. and M.c. Klages. 1960. Evaluatíon <strong>of</strong> semi_dr,¡arf selectlons frorn a spríng rn¡heat breeding program. Agron. J. 52: 7 70-7 t2. 1960. yield components Ín â Lenhí X Thatcher r¡heat crosg. Agron. J. 52:348-349, and D.J. Davis. L954, Effect <strong>of</strong> N fêrÈflization <strong>of</strong> yield, culm number ând proteín content <strong>of</strong> certaÍn sprlng rarheat vårieties, Agron. J.46:375-378. Metcalfe, D.R., S.B. Helgason, ancl F.!J. Hougen. Lg67. A naltÍng quality in barley varietiãs <strong>of</strong> different ground, Can. J. cen. Cyr. 92554_564. Míddleton, c.K., T.T. Heberr, and C.F. Murphy. Lg64. and row r,ùidth <strong>of</strong> yÍe1d and on components <strong>of</strong> Agron. J.56:307-308. genetic study <strong>of</strong> ancestral back- 252 Effect <strong>of</strong> seedíng rate yield in Ìrinter barley. Nasr, A.G.' H.L. shan¿ls, and R.A. Forsberg. rg73. correlations betrreen kerneJ- plunpness, lodging and oiher agronomic eharacterisÈfcs in sfx-ror¡ed barley crosses. Crop Sci. lZ:ggg_+OZ. ____________. L972. Variâtion in kernel plumpness, lodgíng, and other characterístics Ín s lx_ro¡rzed barley "io""!". Crop ScÍ. I2: 159- 16 2, L971. Kernel plumpness, lodging and other characterÍstics Ín several generations <strong>of</strong> some six ror,¡ barley crosses. Otss. Abstr. 3 z 57 6t-BzllTO-24,7 64. Nass, H'c' L973. DeteïmÍnãtion <strong>of</strong> characters for yield selection in spring wheat. Can. J. <strong>plant</strong> Sci. 53:755_762. otBrÍen, L. f975. Unpubl. M.Sc. Thesís, Ilniversity <strong>of</strong> Melbourne. TiÈ1e: Some Aspects <strong>of</strong> RooÈ Gror¡th in hlheat. tB7 p¡. OI,7en ' ?.C. 1968. The response to rornr spacing <strong>of</strong> two tropícal ríce varíeties <strong>of</strong> contrasting <strong>plant</strong> type. Aust. J. Uxp. AgrÍc. Anlm. HUsb. g: 582-586. PanÍgrahi, fü.R. L962. Estimates <strong>of</strong> herltabillty, dominance, and genetic advance in a r,Theat hybrÍd hrith a semi-dr,rrarf parenÈ. Diss. Abstr. 22z0.116!_ 6064 2 2553 -
Pawlisch, P.E., and H.L. shandp. Lg6z, Breeding behaviour for bushel weight and agronomic characters in eârly generatÍons <strong>of</strong> two oat croases. Crop Sci. 2rL3l_237. Pelton, I47.L' 1969. rnfluence <strong>of</strong> 10w seeding rates on wheat yield ln southrnrest Saskatcher¿an. Can. J. <strong>plant</strong> Scí. 49..607_614. Pendleton, J.Il., A.L. Lang, ancl G.II. Dungan. 1953. Response <strong>of</strong> spríng barley varietÍes to díffeïent iertillzer treatments and seasonal gror{ring condilions. Agron. J. 4S.S2g_532. Pepe, J.F., and R.E. Ileiner. Ig75. <strong>plant</strong> <strong>height</strong>, protein percentage and. yÍeld relationships in spríng r.r7heår. crop Sct. tSrlgZ_igi. -- Pesek, J. and R.J. Baker. Ig7l. ComparÍson <strong>of</strong> predicted and observed responaes to selection for yield in lrheat. Can. J. <strong>plant</strong> Sci. 51:3:187-192. Petr, F.C.- and K.J. Frey. fg66. Genotypic correlations, donínance and heritability <strong>of</strong> quantÍtatÍv" áh"r""t"r" in oatå. Crop Scí. 6t259-262. 7959. cenotypÍc correlat lons, <strong>of</strong> quantitative characters <strong>of</strong> oats. vlíc. 59-242L: p. 21. domfnance and heritabilíÈy Ðlss. Abstr. 202. C, Caxd Porter, K.8., I.M. Atkins, E.C. Gillmore, K.A. Lahr, ancl p. Scottirn 1964, EvaluatÍon <strong>of</strong> short statúre winter Ìrheats for produàtion under Te:
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University of Mani
Page 3 and 4:
ACKNOWI,EDGMENTS It has been a grea
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ÎABI,E OF TONTENTS av írÞâ dô
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Þâ o-â r Days to l'{aturity ....
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vaal ËÞe rro Days to Heading . ".
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SUGGÊSTIONSFORFIIIURSRESEÀRCH ,.,
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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
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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
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Íright be of grea
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from varyíng seeding rates in barl
Page 53 and 54:
Reports on the effect of</s
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the effect of seed
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l,upton et 41. (7974) pointed out t
Page 59 and 60:
Table 3. Pedigrees of</stro
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(4) 200 Kernel weight * record.ed i
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population, using individual line m
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Site Sanford 19?6 Clay Cawnan 19?6
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Orthogonal single degree of
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Experiment lV: _-.t0qlepptite lenet
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ferences between genotype s which w
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and plant
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Table 7. con¡tonêlts of</
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was significant" fhe only case in w
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(28 to 5B/"), as reported by nost o
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Table 8. Continued Range Lor{est Li
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the Highest Yielding l,ines within
Page 85 and 86:
Phenot:'¡pic Corre-Lations Sinpl-e
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Table 10. (Cortínued) Châracteris
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did Syme (f972), Fonseca and patter
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significant negative correlation wi
Page 93 and 94:
elãted negative association betwee
Page 95 and 96:
Aglononie ChArae'qeri s! ic s Pl"an
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Table 12. N1Ërogen FertLlizer Àpp
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Teble 14. NltrogeÍ FertLlLzêr ApP
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Table 15. NíËrogen ¡'ertil,izer
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lable 16. Nltrogen Fertlllzer Appll
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freedom comparison indicated lqínn
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lab1e 19. Nftrogen trertÍlizer Áp
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Tâble 20, Nltrogei¡ FeltLltzêr A
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TabIe 22, Nltrogen Fertillzer Appli
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Table 23. Nitrogen Fertilizer Appl
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TabLe 25. Nltrogen Fefttlizef Appll
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itable 26. Nitrogen Fertfllzer Appl
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latlê 28. Nltrogen ¡'ertlllrer Ap
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Sanford â.nd Carnan, 1926, Since N
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Tabl-e 31 . Nítrogen Fertilizer Ap
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Îable33. Nítrogen Fertllizer Appl
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Table 34. Nitrogen Fertilfzer Appli
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îab1ê 36. NLtrogeî Fertl,LLzer A
Page 131 and 132:
Table 38. Nitrogen Fertllizer Appli
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lab1e 39,. NLtrogen Fertllf¿er App
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Table 41. Nitïogen Iertillzer Appl
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Table 42. Nitrogen Fertllizer Appli
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'IabLe 44. Nítrogen ¡'ertilizer A
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Q UAT,TTY Cltq.RÀcTER rsrf ts Q ua
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lable 47. Nitrogen ¡'ertilLzer App
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Table 49. Nltrogen ferrlllzer AppLl
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îhe F x G i.nteraction at portage
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fable 52, Nltrogen Fertfllze¡ Appl
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'labLe 54- Seedlng Råte - Row Spac
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Table 55. Seeding Rate - Ror'7 Spac
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Table 57. Seeding Rate - Roúr Spac
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while the tall sho\^/ed virtually n
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Table 59. Seedlûg Rate - Row Spacl
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Table 60. Seedlng Rate - Row Spacin
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Table 61. Seedlng Rate - RotT Spaci
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Table 62, SeedLng Rate - Rorar Spac
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?áble 64. Seedlng Rare - Ror.r Spa
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Table 65. SeedÍng Rate - Row Spaci
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Table 67. Seedfng Rate - Row Spací
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Table 68. AN0VA for Coleoptile Leng
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'Iable 72. Means for Experíment IV
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Table 73. (Continued ) B Variables
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'IabLe 74' Ranks of</strong
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Table 76. cenotype Means for Root D
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fabTe ?6 Cid not indicate this diff
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Table 79. Ranks of
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Tabl"e 81. ANOVA for Number <strong
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the second v¡as not significant (f
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Table 85. Mean Numbers of</
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of two locations f
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have increased the precision <stron
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showed no environmental interaction
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yield testlng experiments. Furtherm
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could in part account for the poor
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signlficant, the correl_ations were
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height and the qua
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trial period. The area in which the
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any specific cross. However, they d
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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
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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 and 264: Beech' D.F" and M.J.T, Norman. 196g
Page 265 and 266: Day, A.D, and R.K. Thonpson, 1970.
Page 267 and 268: Guitard, 4,4., J.A. Neûrnan, and p
Page 269: Konishi, T. L976. The nature and ch
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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