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CONTENTS - MAYDICA VOL. 49, 2004

Effects of harvest date on maize in the humid sub-tropical mid-south USA. H.A. Bruns. . . . . . . . . . . . . . . .

1

Long term selection for oil concentration in five maize populations. T.M. Song, S.J.Chen . . . . . . . . . . . . . .

9

Optimization of electroporation conditions for maize microspores. B. Obert, Z. Pónya, A. Pret’ová, B. Barnabás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


15

Improving in vitro culture and regeneration conditions for Agrobacterium-mediated maize transformation. E. Lupotto, E. Conti, A. Reali, C. Lanzanova, E. Baldoni, L. Allegri. . . . . . . . . . . . . . . . . . . . . . . . . . .


21

Detecting centromeric misdivision in crosses of a B-type chromosome in maize. W.R. Carlson. . . . . . . . . . .

31

Dynamics of maize aleurone cell formation: the “surface” rule. O.-A. Olsen. . . . . . . . . . . . . . . . . . . . . . . . .

37

QTL mapping of kernel oil concentration with high-oil maize by SSR markers. X.-F. Song, T.-M. Song, J.-R. Dai, T. Rocheford, J.-S. Li . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


41

Verification of predictions from estimators of favorable alleles to improve yield of sweet corn hybrids. R.A. Malvar, M.E. Cartea, P. Revilla, P. Soengas, A. Ordás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


49

Genetic variability in the Indian maize germplasm for resistance to sorghum downy mildew (Peronosclerospora sorghi) and Rajasthan downy mildew (Peronosclerospora heteropogoni). K.N. Sudha, B.M. Prasanna, R.S. Rathore, T.A.S. Setty, R. Kumar, N.N. Singh . . . . . . . . . . . . . . . . . . . . . . .



57

Estimates of genetic variance and level of dominance in a tropical maize population. I. Grain yield and plant traits. A.R. Silva, C.L. Souza Jr., A.M. Aguiar, A.P. de Souza . . . . . . . . . . . . . . . .


65

Resistance of Argentine maize germplasm to Gibberella and Fusarium ear rots. D.A. Presello, L.M. Reid, D.E. Mather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


73

Plant populations and yields of rainfed maize (Zea mays L.) grown in wet and dry seasons of the tropics. U.R. Sangakkara, P.S.R.D. Bandaranayake, J.N. Gajanayake, P. Stamp . . . . . . . . . . . . . . . . . . . . . . .


83

Analysis of genetic diversity in maize inbred lines based on AFLP markers. Y. Li, Y.S. Shi, Y.C. Song, J.Y. Du, R. Tuberosa, T.Y. Wang  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


89

Evaluation of genetic diversity in Albanian maize using SSR markers. S. Hoxha, M.R. Shariflou, P. Sharp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


97

Zinc and cadmium induction of small heat-shock gene transcripts in maize seedlings. R.A. Bouchard, Z. Yang, R.I. Greyson, D.B. Walden. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


105

Genetic variation for organic matter and cell wall digestibility in silage maize. Lessons from a 34-year long experiment with sheep in digestibility crates. Y. Barričre, J.C. Emile, R. Traineau, F. Surault, M. Briand, A. Gallais . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



115

Association between P1 gene and agronomic traits in maize backcross-derived lines differing for cob color. P. Landi, E. Frascaroli. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


127

Molecular characterization of two genes, ZmRPS4 and ZmMET1, expressed in the tiller bases in maize. C.S. Jang, H.B. Lee, Y.W. Seo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


137

Glen H. Stringfield Commemorative issue: A great maize breeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

145

Glen H. Stringfield. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

145

Glen H. Stringfield - Great corn breeder. A.F. Troyer Jr.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

147

An historical examination of the development and adoption of hybrid corn: a case study in Ohio. R.C. Pratt 

155

Heritability and number of genes controlling partial resistance to Exerohilum turcicum in  maize inbred H99. J.J. Hakiza, P.E. Lipps, S. St. Martin, R.C. Pratt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


173

The genetics of virus resistance in maize (Zea mays L.). M.G. Redinbaugh, M.W. Jones, R.E. Gingery  . .

183

Effect of inbreeding method and selection criteria on inbred and hybrid performance. E.A. Lee, L.W. Kannenberg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


191

Potential use of maize heterotic patterns for grouping and adapting exotic germplasm. R.E. Preciado-Ortiz, B.E. Johnson  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


199

Developing temperate inbreds using maize tropical germplasm: rationale, results,  conclusions. M.M. Goodman. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


209

Estimation of heritability in maize by parent-offspring regression. M.D. Smalley, J.L. Daub, A.R. Hallauer.

221

Mechanical transmission of maize rough dwarf virus. R. Louie, J.J. Abt. . . . . . . . . . . . . . . . . . . . . . . . . . .

231

Resistance of maize to the corn leaf aphid: a review. M.J. Carena, P. Glogoza. . . . . . . . . . . . . . . . . . . . . .

241

Expression specificity of the globulin-1 promoter driven transgene (chitinase) in maize seed tissues. C. Mei, J.J. Wassom, J.M. Widholm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


255

Combining ability and heterotic grouping of ten temperate, subtropical and tropical quality protein maize inbreds. X.M. Fan, J. Tan, J.Y. Yang, H.M. Chen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


267

Evaluation of elite inbred lines of maize (Zea mays L.) group Tangsipingtou for in vitro culture and plant regeneration. H.W. Zhang, Z.B. Tan, G. Chen, J.S. Li . . .  . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .


273

Sugary1 inbreds to improve sugary enhancher1 hybrids of sweet corn for adaptation to cold areas with short growing seasons. B. Ordás, R.A. Malvar, P. Soengas, A Ordás, P. Revilla . . . . . . . . . . . . . . . . . . .


279

Transmembrane helix frequencies from maize expressed sequences differ from whole-genome compilations. C.S. Wrede, J.E. Blum, J.L. Brown, A.E. Stapleton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


289

On the precision of REML estimates of additive and dominance variance components in maize using relationship matrices. R.T. Boca, R.J.C. Cantet . . . . .. . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


295

Tryptophan and methionine levels in quality protein maize breeding germplasm. M.P. Scott, S. Bhatnagar, J. Betrán . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . .


303

Influence of genotype and environment on β-carotene content of tropical yellow-endosperm maize genotypes. A. Menkir, B. Maziya-Dixon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


313

Association between grain yield and endosperm hardness in maize cultivars. G.H. Eyhérabide,  J.L. Robutti, N.M. Percibaldi, D.A. Presello, M. del P. Alvarez . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


319

Study on the genetic diversity of popcorn inbreds and their germplasm relationship with normal  corn inbreds using SSR markers. Y.L. Li, D.B. LV, Y.Z. Wang, S.J. Chen, J.H. Tang . . . . . . . . .


327