ESTIMATION OF GENERAL AND SPECIAL COMBINING ABILITY OF THE NEW IRANIAN SILKWORM LINES AND HETEROSIS OF THEIR HYBRIDS

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MIRHOSSEINI S.Z.A.D.; SEYDAVI A.R.; GHANIPOUR M.

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Journal: Journal of Entomological Society of Iran Year:2005 | Volume:24 | Issue:2 Page(s): 61-79

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Information Journal Paper

Title

ESTIMATION OF GENERAL AND SPECIAL COMBINING ABILITY OF THE NEW IRANIAN SILKWORM LINES AND HETEROSIS OF THEIR HYBRIDS

Author(s)

MIRHOSSEINI S.Z.A.D. | SEYDAVI A.R. | GHANIPOUR M. | Issue Writer Certificate

Keywords

GENERAL COMBINING ABILITYQ3

SPECIAL COMBINING ABILITYQ3

HETEROSISQ3

SILKWORMQ3

Abstract

Evolved new SILKWORM lines and hybrids call for complementary tests specially estimating general and special combined abilities of lines and HETEROSIS of hybrids. In this study, estimations of genetic parameters were evaluated on four Japanese (101433, Xihangl, Xihang2 and Xihang3) and three Chinese (Komingl, Koming2 and Y) lines, which recently were isolated during breeding programmes. The economic characters of the lines and their hybrids were recorded and analyzed. The GENERAL COMBINING ABILITY effects of Japanese lines were significant for all traits (P<0.01).This factor was highly significant in Chinese lines for production traits (P<0.0001), but not significant for resistance characteristics. In Japanese group, the general combining abilities of survived larvae number, survived pupae number and pupation rate in 101433 varieties (14.84, 34.55 and 10.65, respectively) were higher than that in other varieties. In Chinese lines, the highest general combining abilities of these characters belonged to Komingl variety (5.86, 9.00 and 2.82, respectively). Special combining abilities were significant for survived larvae number and production traits (P<0.05). This factor for resistance characteristics in Xihangl×Komingl was higher than the other hybrids. Chinese lines had high resistance and low genetic variation for resistance traits, while the Japanese lines showed lower resistance and higher genetic variation. High non additive genetic variances of cocoon characters indicate the high heterotic effects on these traits.

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APA: Copy

MIRHOSSEINI, S.Z.A.D., SEYDAVI, A.R., & GHANIPOUR, M.. (2005). ESTIMATION OF GENERAL AND SPECIAL COMBINING ABILITY OF THE NEW IRANIAN SILKWORM LINES AND HETEROSIS OF THEIR HYBRIDS. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), 24(2), 61-79. SID. https://sid.ir/paper/48060/en

Vancouver: Copy

MIRHOSSEINI S.Z.A.D., SEYDAVI A.R., GHANIPOUR M.. ESTIMATION OF GENERAL AND SPECIAL COMBINING ABILITY OF THE NEW IRANIAN SILKWORM LINES AND HETEROSIS OF THEIR HYBRIDS. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI)[Internet]. 2005;24(2):61-79. Available from: https://sid.ir/paper/48060/en

IEEE: Copy

S.Z.A.D. MIRHOSSEINI, A.R. SEYDAVI, and M. GHANIPOUR, “ESTIMATION OF GENERAL AND SPECIAL COMBINING ABILITY OF THE NEW IRANIAN SILKWORM LINES AND HETEROSIS OF THEIR HYBRIDS,” JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), vol. 24, no. 2, pp. 61–79, 2005, [Online]. Available: https://sid.ir/paper/48060/en

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