|Table of Contents|

GENETIC VARIABILITY OF AGRONOMIC AND CHEMICAL TRAITSOF THE SPRING SOYBEAN VARIETIES IN CHINA(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
1998年01
Page:
24-30
Research Field:
Publishing date:

Info

Title:
GENETIC VARIABILITY OF AGRONOMIC AND CHEMICAL TRAITSOF THE SPRING SOYBEAN VARIETIES IN CHINA
Author(s):
Li Xianghua　Chang Ruzhen
( Inst itute of Crop Germplasm Resources, CAA S ,Bei jing 100081)
Keywords:
Soy bean ( Gl ycine max ) ;  Genotypic v aria nce;  Correlatio n
PACS:
-
DOI:
10.11861/j.issn.1000-9841.1998.01.0024
Abstract:
Soy bean cul tiva rs currently g row n in the w orld hav e a relatively narrow g eneticbase, so it i s impor tant to characteri ze the diversi ty of the g ermplasm accessio ns. Theo bjectiv es of thi s study w ere to reav eal the va riabili ties of eighteen quanti tativ e cha ractersincluding g row th period, yield and chemical t rait s o f soy bean v arieties of the springsoybean po pulatio n in China. The estima tes o f g eno ty pic, geno typic co ef ficient of v ariation( GCV) , heri tabili ty and relativ e ex pected genetic adv ance (△ G′) o f these cha ractersw ere calculated, indica ted that the g enetic resources of quantitativ e characters ofthe spring soy bean v arieties are v ery abundant. Heri tabili tes of g row th period, chemicalt rait s, seed shape index , 100- seed w eight , No. o f nodes o n main stem and plant heightw ere hig h (> 85% ) . Ex cluded tha t chemical cha racters ( prtein content , oi l content ,pro tein plus oi l content ) , days from flow ering to maturity and days of grow th had lowGCV, other t rai ts had mo derate o r g reat GCV. Only the oil content a nd pro tein contentcha racters had low △ G′, other characters had moderate o r g reat △ G′, especially the△ G′o f pla nt heig ht , No. o f bra nches, No. o f pods on main stem, No. of pods onbranches, seed w eigh t per plant , percentag e of g ood seeds, day s to flow ering , yieldcha racters w ere v ery hig h (> 100% ) . Estimates o f g enotypic co rrela tion betw een yieldand other characters indicated tha t, popula tion yield is posi tiv ely and sig nificant ly co rrelatedwi th No. of pods o n main stem, No. of pods per plant , No. of seeds per plant ,seed weight per pa lnt, 100- seed w eight and days from f low ering to maturi ty; butshow ed a sig ni fica nt negativ e association wi th days to f low ering. The co rrela tion analysis can be used in prog eny selection.

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Last Update: 2017-01-13