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| 120. | | ANDRES, A.; CONCENCO, G.; SCHREIBER, F.; AGOSTINETTO, D.; VARGAS, L.; BEHENCK, J.; CAPUTO, G. A.; ALVES, Y. S. Predictions for Weed Resistance to Herbicides in Brazil: A Botanical Approach. In: PACANOSKI, Z. (Ed.). Herbicide resistance in weeds and crops. Rijeka: INTECH, 2017, 184 p. Cap. 6.| Biblioteca(s): Embrapa Clima Temperado; Embrapa Trigo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
05/11/2001 |
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Data da última atualização: |
05/11/2001 |
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Autoria: |
FARIAS NETO, A. L.; MIRANDA FILHO, J. B. de. |
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Título: |
Genetic correlation between traits in the ESALQ-PB1 maize population divergently selected for tassel size and ear height. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v.58, n.1, p.119-123, 2001. |
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Idioma: |
Inglês |
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Conteúdo: |
Full-sib and selfed (S,) progenies were obtained from sub-populations of ESALQ-PB1, divergently selected for tassel size (T + and T - ) and ear height (E + and E - ), and used for estimatinggenetic and phenotypic correlation coefficients between traits. The analyzed traits were: EW- total ear weight (g/plant), PH- plant height (cm), EH- ear height (cm), TB- tassel branch number and TL- tassel length. The highest genetic (rG) and phenotypic (r =) correlation was observed for the combination PH x EH, as expected with average of 0.800 and 0.778, respectively over sub-populations and locations. It is apparent that divergent selection for tassel size did not affect greatly the correlation between PH and EH in the full sib progenies , but in the inbred progenies the correlation was smaller in the sub-population selected for larger tassels. Genetic correlation between PH and EH with tassel traits was always positive but ranged from 0.020 to 0.668 in Piracicaba and from 0.06 to 0.309 in Rio Verde. Genetic correlation between PH and EH with vield (EW) also was positive in the range of 0.087 to 0.503. EH showed higher correlation with EW in relation to PH x EW and differences were larger in the sub-populations divergently selected for ear height. Correlation between tassel traits with other traits was positive in most of instances and a lack of consistency was observed among sub-populations. Generally the coefficients of genetic and phenotypic correlation differed substantially from the estimates in the base population ESALQ-PB1 before divergent selection for tassel size and ear placement. Divergent selection affected the correlation between traits under unpredicted and varying magnitudes. MenosFull-sib and selfed (S,) progenies were obtained from sub-populations of ESALQ-PB1, divergently selected for tassel size (T + and T - ) and ear height (E + and E - ), and used for estimatinggenetic and phenotypic correlation coefficients between traits. The analyzed traits were: EW- total ear weight (g/plant), PH- plant height (cm), EH- ear height (cm), TB- tassel branch number and TL- tassel length. The highest genetic (rG) and phenotypic (r =) correlation was observed for the combination PH x EH, as expected with average of 0.800 and 0.778, respectively over sub-populations and locations. It is apparent that divergent selection for tassel size did not affect greatly the correlation between PH and EH in the full sib progenies , but in the inbred progenies the correlation was smaller in the sub-population selected for larger tassels. Genetic correlation between PH and EH with tassel traits was always positive but ranged from 0.020 to 0.668 in Piracicaba and from 0.06 to 0.309 in Rio Verde. Genetic correlation between PH and EH with vield (EW) also was positive in the range of 0.087 to 0.503. EH showed higher correlation with EW in relation to PH x EW and differences were larger in the sub-populations divergently selected for ear height. Correlation between tassel traits with other traits was positive in most of instances and a lack of consistency was observed among sub-populations. Generally the coefficients of genetic and phenotypic correlation differed substantially from ... Mostrar Tudo |
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Thesagro: |
Genética Vegetal; Milho; Zea Mays. |
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Thesaurus NAL: |
genetics. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02263naa a2200181 a 4500
001 1546495
005 2001-11-05
008 2001 bl --- 0-- u #d
100 1 $aFARIAS NETO, A. L.
245 $aGenetic correlation between traits in the ESALQ-PB1 maize population divergently selected for tassel size and ear height.
260 $c2001
520 $aFull-sib and selfed (S,) progenies were obtained from sub-populations of ESALQ-PB1, divergently selected for tassel size (T + and T - ) and ear height (E + and E - ), and used for estimatinggenetic and phenotypic correlation coefficients between traits. The analyzed traits were: EW- total ear weight (g/plant), PH- plant height (cm), EH- ear height (cm), TB- tassel branch number and TL- tassel length. The highest genetic (rG) and phenotypic (r =) correlation was observed for the combination PH x EH, as expected with average of 0.800 and 0.778, respectively over sub-populations and locations. It is apparent that divergent selection for tassel size did not affect greatly the correlation between PH and EH in the full sib progenies , but in the inbred progenies the correlation was smaller in the sub-population selected for larger tassels. Genetic correlation between PH and EH with tassel traits was always positive but ranged from 0.020 to 0.668 in Piracicaba and from 0.06 to 0.309 in Rio Verde. Genetic correlation between PH and EH with vield (EW) also was positive in the range of 0.087 to 0.503. EH showed higher correlation with EW in relation to PH x EW and differences were larger in the sub-populations divergently selected for ear height. Correlation between tassel traits with other traits was positive in most of instances and a lack of consistency was observed among sub-populations. Generally the coefficients of genetic and phenotypic correlation differed substantially from the estimates in the base population ESALQ-PB1 before divergent selection for tassel size and ear placement. Divergent selection affected the correlation between traits under unpredicted and varying magnitudes.
650 $agenetics
650 $aGenética Vegetal
650 $aMilho
650 $aZea Mays
700 1 $aMIRANDA FILHO, J. B. de
773 $tScientia Agricola, Piracicaba$gv.58, n.1, p.119-123, 2001.
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