EurekaMag.com logo
+ Site Statistics
References:
53,214,146
Abstracts:
29,074,682
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Economic heterosis in double cross hybrids of maize



Economic heterosis in double cross hybrids of maize



Crop Research (Hisar) 8(3): 634-636



Hybrid varieties wherever feasible make better use of heterosis than any other breeding procedure yet developed. Expression of heterosis was studied in 23 double cross hybrids. Significant differences were exhibited in 23 double cross hybrids for the characters, namely, grain yield per plot, days to 50 per cent silk, plant and ear height. The extent of economic heterosis revealed that double cross hybrids with high heterosis for yield, in general, also exhibited high estimates for one or more of yield components as well. Out of 23 hybrids, 16 hybrids exhibited significant positive heterosis for grain yield over the best check Shweta. The extent of economic heterosis among different hybrids for yield was up to 88.5 per cent. Among these, six hybrids were found more promising for earliness also. Hybrid (9 times 12) times (10 times 15) showed reduced plant and ear height along with higher grain yield. Best five hybrids (9 times 13) times (9 times 12), (20 times 4016) times (14 times 21), (7 times 11) times (9 times 13), (19 times 10) times (9 times 12) and (11 times 12) times (4 times 19) yielded more than 71 per cent over the best check Shweta, thus can be exploited commercially.

(PDF 0-2 workdays service: $29.90)

Accession: 002808525

Download citation: RISBibTeXText



Related references

Influence of different generations of maize single-cross hybrids on the heterosis of the double-cross hybrids. Rasten. Nauk./Pl. Grow., Sofija. 8, 3-8, 1966

Performance, heterosis and heritability in selected tropical maize single, double and three-way cross hybrids. Journal of agricultural science 138(1): 21-28, 2002

Maintaining heterosis in the progenies of certain double-cross hybrids by crossing them with local maize varieties. Rasten. Nauk. & Pl. Sci, Sofia, 6: 10, 17-25, 1969

Expression of heterosis in some double-cross hybrids derived from local inbred lines of maize.. Zborn. Rad. poljoprivred. Fak./Rev. Res. Wk. Fac. Agric, Beograd, 11: 357, 12, 1963

Restoration of the heterosis effect in reproductions of certain double cross hybrids by crossing with native maize m varieties. Rasteniev"dni Nauki 6(10): 17-25, 1969

Biological and economic qualities of some maize double cross hybrids. Selskostop. Nauk. (Agric. Sci.). 1: 1, 21-37, 1962

A comparitive study of economic characters in double-cross and simple interline maize hybrids. Uzbekskii Biologicheskii Zhurnal (6): 66-67, 1973

Some experimental results on the phenotypic stability of double cross hybrids vs. 3 way cross hybrids of maize zea mays. Zeitschrift fuer Pflanzenzuechtung 91(3): 246-252, 1983

Some experimental results on the phenotypic stability of double-cross hybrids vs. three-way-cross hybrids of maize. Zeitschrift fur Pflanzenzuchtung = Journal of plant breeding 91(3): 246-252, 1983

Certain aspects of the manifestation of heterosis in double hybrids of maize. Lucrari Stiint Inst Agron N Balcescu Ser B 6: 61-76, 1963

Some aspects of the manifestation of the phenomenon of heterosis in maize double hybrids. Lucrar. sti. Inst. agron. N. Balcescu Bucuresti : Ser. B. 6: 61-76, 1962

Heterosis for quality traits in single cross hybrids of maize (Zea mays L.). Indian Journal of Agricultural Biochemistry 17(1): 37-39, 2004

Comparative performance and heterosis in single, three-way and double cross pepper hybrids. Journal of Agricultural Science 142(6): 659-663, 2004

Heterosis in single, three-way and double cross hybrids of silkworm, Bombyx mori L. Insect Science and its Application, 94: 519-525, 1988

Expression of heterosis in single-, double- and three-way cross hybrids of sunflower (Helianthus annuus L.). Helia 19(25): 111-117, 1996