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

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Fonseca, S. and F.T,. patterson. 196g. yield componenÊ heritabilities and interrelationships in r^rinter lrheat. Crop Sci. gt6I4_6L7, Foth, H.D., L.S. Robertson, and H.M. Bror,m. 1964. Ef f ect <strong>of</strong> roraT_spacÍng on oat performance. Agron. J. 56170_73. Frey' r'J' 1962' Effecriveness <strong>of</strong> visual selection upon yiel. in oaÊ crosses. Crop. Scí. Z?I02_LO5. Frey, K.J. 1959. yíe1d components in oars. Agron. J.51:605_608. 248 II. The effecrs <strong>of</strong> N ferrilizaËion. -F-----_,, and T. Horner. 1955. Comparison <strong>of</strong> actual and predicted gains Ín barley selection experinents. Agron. J. 47:1g6_1gg, response <strong>of</strong> maltíng barley varieties to d.ifference fertilízer analyses. Agron, J.44:179_1_82. Furrer, 0.J. 1964. InfLu:n:1 <strong>of</strong> drill row spacíng, amount <strong>of</strong> seed and hoeing on gror,rTth and yield <strong>of</strong> r,7i.nter wheai var. probus. Schwein. landw. Forsch. 4:I:92_!e4. (Fíeld Crop AbsËr. 18:4:1690). and trrt. Stauffer. 1970. Influence <strong>of</strong> dri11 rolnr spacings and seed rare on groü7rh and^yie1d <strong>of</strong> spríng wheat. SchweízeiÍsch; La;drlrirrschafr_ liche Forschuns 923/4:36L_379: (Field crop Abstr. -;i;i¡,-.. Gardener, C.J. anil A.J. RahJen. 1975. The differenrial response <strong>of</strong> barley genotypes to N application in a Mediterranean _ type climate. AusL. J. <strong>of</strong> Agric. Res. 2622:2L9_230. Gardner' B'R' and E.B. Jackson. 1g76. Fertir-Ízation, nutríent conposíÈion and yield relarionships in irrigared spring wheat. ag.orr. .f. ãã:f:ZS_ZA. GlukhovÈsev, v.v. rg7r. A study <strong>of</strong> the associaÈion betrareen ínclividual characters in barley l,rith a viehT to improving the effectiveness <strong>of</strong> selecrion. Referarivnij e Zhurnal 10:55:209. (planr Breed. Abstr. 44: 1 :84) . Grafíus' J'E' and L'B' okoli. 1g74. DirnensÍona1 balance arnong yield components and rnaximum yiel
Guitard, 4,4., J.A. Neûrnan, and p.B. Hoyt. 1961. The influence <strong>of</strong> seeding rate on the yield and yield components <strong>of</strong> wheat, oats and. barley. Can. J. <strong>plant</strong> Sci. 4L:75I-75g. Harnblin, J, and C.M. DonaLd, 1974. The relatíonships between planr form, competitive abÍlity and grain yield in a barley cross. Euphytica. 23:.535-542. Harringron' J.B. 1941. The effect <strong>of</strong> having ror¿s different dístances aparr in rod row plors <strong>of</strong> whear, oats and barley. Sci. AgrÍc. 2L;5gg_606. Harvey, B,L. L977. personal coÍìDunication. Hayter' A.M. and T.J. Riggs. 1973. Envíronmental and varietal differences in diastatic power and four associated characteristics <strong>of</strong> spring barley. J. Agric. Sci., Camb, g0:297-302. Hegde, 8.R., D.J. l"Iaj or, D.B. Iarilson, ancl K.K, Krogman. 1976. <strong>Effects</strong> <strong>of</strong> rowspacing and population density on grain sorghum production ín southern Alberra. Can. J. pfant Sci. 56,3I_37. Hsi' c.H. and J.trrI. Lanbert. 1954. rnter and intra-annual relationshíps <strong>of</strong> some agronomíc and malting quaLity characters <strong>of</strong> barley. Agron. J. 46: 470-474. Hsu, P. and P.D. tr'Ia1ton. 1970. The inheritance <strong>of</strong> norphological and agronomic characters in spring wheat. Euphyrica !9:54_60. Holliday, R. 1963. The effect <strong>of</strong> row i¿íd.th on the yield <strong>of</strong> cereals. Fíeld crop Abstr. 16:71-81. Holliday' R. 1960. planr popur-arion and crop yíe1d: part r. Field crop Absrr. 13 ! 159-253 . Iiealy' M. and M. tr{estmacott. 1956. Missing values in expeïiments analysed. on auËomaric conpurers. Applied Starísrics 5:203_206. Ishizurka, Y. 1,969. Engineering for higher yields. In physiological Aspecrs <strong>of</strong> Crop yield. Amer. Soe. <strong>of</strong> Agron., pp. 15_2S.: Jain, R.P. and S. Chandra. 196g. Studies on variabílÍty <strong>of</strong> sone impoïÈanr quanritarive characters in barley, ùtadras Agric. J. 55:5ã1_534. (planr Breed. Abstr. 40:5049) . Jogi' B.s. 1956. The heritability <strong>of</strong> agronomic and dÍsease reacLíon characreristics in ri,ro barley crosses. Agron. J. 4g.293_296. Johnson, V.4., J.I{. Sch¡nidt and I¡,I. Mekasha. 1966. Comparison <strong>of</strong> yield components and agrononi-c characteristics <strong>of</strong> four r,rinter r^7heat varieries differing in planr <strong>height</strong>. Agron J. 5gz43g_44l. 249
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University of Mani
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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
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74. 75" ?6, 77, 78,. 79, 80. 81" 82
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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
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Table 2. Broad Sense Heritability E
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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
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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
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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
Page 81 and 82:
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
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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
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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
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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 and 264: Beech' D.F" and M.J.T, Norman. 196g
Page 265: Day, A.D, and R.K. Thonpson, 1970.
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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