[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L]

[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L] Research Abstract Details 

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[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L] Abstract Text:

Yan-Hui Wang,Ying-Ze Niu,

Two hybrid combinations were made with a resynthesized specially-long pod line in H218 Brassica napus L., namely H218 x Zhongyou 821, H218 x MSP334 and their six generations F(1), F(2), backcrosses B(1) and B(2) and their parents P(1) and P(2) were used to study the inheritance of 3 pod related traits, namely the full pod length, the pod body length and the pod beak length. The results were the followings: the three traits in the F(2) population of the two combinations had a continuous normal distribution, indicating that these traits were quantitative in nature and controlled by polygenes. The broad-sense heritabilities of the full pod length, pod body length and pod beak length of the two combinations were 65.89%-70.77%, 60.14%-63.38% and 26.36%-46.44%, respectively. The narrow-sense heritabilities were 44.01%-46.78%, 46.89%-47.38% and 18.08%-37.87%, respectively. The results from the two combinations consistently showed that full pod length, pod body length and pod beak length were controlled by 5, 6 and 2 genes respectively. The preliminary study on the gene effect demonstrated that the three traits in the two combinations all fit the additive-dominant model and the epistatic effect was significant. The additive effects and the dominant effects of the three traits in the two combinations were both significant. Of the full pod length and the pod body length, the dominant effect was more significant than the additive effect; and it is the same case for the pod beak length.

[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L] Publishing Authors By Initials

YH Wang,YZ Niu,

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[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Yi chuan = Hereditas / Zhongguo yi chuan xue hui b

VOLUME: 28

Page Numbers: 1273-9

Journal Abbreviation: Yi Chuan

ISSN: 0253-9772

DAY: 12

MONTH: Oct

YEAR: 2006

[Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L] Information

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LANGUAGE: chi

NlmUniqueID: 9436478

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Grant and Affiliation Information for [Genetic analysis of a specially long pod character in artificially resythesized Brassica napus L]

AFFILIATION: Rapeseed Research Center, Sichuan Agricultural University, Ya'an 625014, China.

Country: China

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MEDLINETA: Yi Chuan

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