@incollection{fdi:010072213, title = {{A} phenotypic test for delay of abscission and non-abscission oil palm fruit and validation by abscission marker gene expression analysis}, author = {{F}ooyontphanich, {K}. and {M}orcillo, {F}. and {A}mblard, {P}. and {C}ollin, {M}yriam and {J}antasuriyarat, {C}. and {V}erdeil, {J}. {L}. and {T}angphatsornruang, {S}. and {T}ranbarger, {T}imothy}, editor = {}, language = {{ENG}}, abstract = {{K}nowledge of the cell separation processes underlying organ abscission is limited mainly to the eudicot model systems tomato and {A}rabidopsis, while less is known about the mechanisms in crop species in general, and monocots in particular. {H}ere we describe a simple phenotypic screen for oil palm plant lines with delayed or non-abscising fruit. {T}he phenotypic test was used on the two species of oil palm including {E}laeis guineensis and {E}. oleifera, in addition to their interspecific hybrids, and hybrids backcrossed to {E}. guineensis. {A} large variation in abscission phenotypes was observed. {H}istological analysis revealed similarities and differences in the abscission zone ({AZ}) of {E}. guineensis and {E}. oleifera, and dominant traits were observed in the {AZ} of the interspecific crosses. {T}he expression of abscission marker genes for a polygalacturonase ({E}g{PG}4) and an ethylene synthesis {ACO} synthase ({E}g{ACO}) were monitored during abscission of a randomly selected set of plants and in a non-abscising individual identified by the phenotypic test.}, keywords = {}, booktitle = {{P}roceedings of international symposia on abscission processes in horticulture and non-destructive assessment of fruit attributes}, numero = {1119}, pages = {97--104}, address = {{L}ouvain}, publisher = {{ISHS}}, series = {{A}cta {H}orticulturae}, year = {2016}, ISBN = {9789462611177}, ISSN = {0567-7572}, URL = {https://www.documentation.ird.fr/hor/fdi:010072213}, }