CORRELATIONS AND HERITABILITY OF THE CHARACTERS DETERMINING THE SEED YIELD OF THE PANICLE INFLORESCENCE FORMS OF ALFALFA (MEDICAGO X VARIA T. MARTYN)
Zbigniew Bodzon
z.bodzon@ihar.edu.plPlant Breeding and Acclimatization Institute - National Research Institute, Radzików, 05-870 Błonie. (Poland)
Abstract
Phenotypic correlation coefficients and heritability of the characters determining seed yield of panicle inflorescence forms of alfalfa was examined. Seed yield per plant, which was positively correlated with 10 generative and morphological traits, depended upon the number of pods per panicle and the number of seeds per pod. Variability of these characters determined about 60% of the variability of seed yield. Multiple linear regression and phenotypic correlations show that simultaneous selection for increased pod number per panicle and increased seed number per pod and number of branches per panicle resulted in enhanced seed yield potential. The share of the additive genetic effects in the phenotypic variance for number of pods per panicle was low and about 23%, while for number of seeds per pod and seeds per panicle amounted to about 75-77% and 56-57% respectively.
Keywords:
alfalfa, expected genetic progress, heritability, interdependence, multiple regression, panicle inflorescence, seed yieldReferences
Bocsa I., Buglos J. 1983. Seed yield and some factors influencing seed setting at the variety level in lucerne. Z. Pflancenzüchtg. 90: 172-176.
Google Scholar
Bocsa I., Pummer L. 1994. Eleven year selection for seed productivity improvement of lucerne. Rep. of the 34th N. Amer. Alfalfa Impr. Conf. Guelph: 95.
Google Scholar
Bocsa I., Pummer L. 1997. Seed production and breeding for stability of fertility. Proc. of the 12th Eucarpia Meet. of the Group Medicago. Brno: 87-93.
Google Scholar
Bodzon Z. 2004. Correlations and heritability of the characters determining the seed yield of the long-raceme alfalfa (Medicago sativa L.). J. App. Genet. 45(1): 49-59.
Google Scholar
Bodzon Z. 2013. Dziedziczenie cechy wiechowatości kwiatostanów lucerny mieszańcowej (Medicago x varia T. Martyn). [Inheritance of spontaneous panicle inflorescence mutation in alfalfa] Biul. IHAR 267: 153- 159 (in Polish).
Google Scholar
Djukič D., Kraljevič-Balalič M. 1993. Variability of seed yield components of random pollinated alfalfa. Proc. of the 10th Eucarpia Meet. of the Group Medicago. Lodi: 422-428.
Google Scholar
Dyba S., Rogalska S. 1995. Plon nasion populacji syntetycznych Syn-1 i Syn-2 lucerny mieszańcowej (Medicago media Pers.) w warunkach klimatycznych Polski. Rocz. AR. Pozn. CCLXIX, Rol. 45: 3-13.
Google Scholar
Griffing B. (1956). Concept of general and specific combining ability in relation to diallel crossing system. Aust. J. Biol. Sci. 9: 463-493.
Google Scholar
Huyghe C., Bolaños-Aguilar E.D., Ecalle C., Julier B. 1998. Distribution of the seed in an alfalfa canopy. Rep. of the 36th N. Amer. Alfalfa Impr. Conf. Bozeman: 57.
Google Scholar
Huyghe C., Bolaños-Aguilar E.D., Ecalle C., Hacquet J., Julier B. 1999. The seed weight per inflorescence as a selection criterion for seed yield in alfalfa. Proc. of the 13th Eucarpia Meet. of the Medicago Working Group. Perugia: 107-116.
Google Scholar
Jaranowski J., Dyba S., 1983. Genetyczno-hodowlane możliwości poprawiania plonowania nasion lucerny mieszańcowej. [Genetic and breeding possibilities of improving seed yields of hybrid lucernę]. Zesz. Probl. Post. Nauk Roln. 253: 25-33 (in Polish).
Google Scholar
Mražkova V., Vacek V. 1981. Zhodnoceni odrud vojtešky z hlediska treiby semen. Rost. Vyr. R. 27: 857– 863.
Google Scholar
Pomogajbo V.M. 1981. Putevoj analiz komponentov produktivnosti sinegibridnoj lucerny. Genetika 17: 1473- 1478.
Google Scholar
Puzio-Idźkowska M. 1993. Odziedziczalność niektórych cech determinujących plon nasion lucerny mieszańcowej (Medicago media L.) odmiany ‘Warmińska’. Zesz. Nauk. AR. Wrocł. Roln. LVIII 223: 317-323.
Google Scholar
Rosellini D., Veronesi F., Falcinelli M., Lorenzetti F. 1990. Seed yield components in alfalfa materials selected for seed yield. Rep. of the 32nd N. Amer. Alfalfa Impr. Conf. Pasco: 29.
Google Scholar
Rotili P., Scotti C., Kertikova D., Gnocchi G. 1998. Performance of diallel crosses of alfalfa with different levels of genetic diversity and derived from partly inbred parents. I. Seed setting and pod fertility. Rep. of the 36th N. Amer. Alfalfa Impr. Conf. Bozeman: 48.
Google Scholar
Simon U. 1997. Environmental effects on seed production in lucerne. Proc. of the 12th Eucarpia Meet. of the Group Medicago. Brno: 123-134.
Google Scholar
Singh S.M. 1978. Genetic basis of seed setting in alfalfa. Theor. Appl. Genet. 51: 297-304.
Google Scholar
Skalska M. 1993. Plonowanie odmian lucerny siewnej i mieszańcowej w uprawie na nasiona. [Yielding of cultivars of Medicago sativa L. and Medicago media Pers. in cultivation for seed]. Biul. IHAR 186: 103- 111 (in Polish).
Google Scholar
Vachunková A., Mrazek O., Vagnerová V. 1981. Relation entre quelques caracteristiques morphologiques et le rendement chez la lucerne. Proc. of the 5th Eucarpia Meet. of the Group Medicago. Kompolt: 55-70.
Google Scholar
Veronesi F., Falcinelli M., Grando S., Lorenzetti F. 1986. Selection for high seed yield in Medicago sativa L. Z. Pflanzenzüchtg. 96: 189-192.
Google Scholar
Veronesi F., Falcinelli M. 1987. Seed yield selection in Medicago sativa L. and correlated responses affecting dry matter yield. Plant Breeding 99: 77-79.
Google Scholar
Authors
Zbigniew Bodzonz.bodzon@ihar.edu.pl
Plant Breeding and Acclimatization Institute - National Research Institute, Radzików, 05-870 Błonie. Poland
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