Breeding for high production of leaves of baobab (Adansonia digitata L) in an irrigated hedge system
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Breeding for high production of leaves of baobab (Adansonia digitata L) in an irrigated hedge system. / Korbo, Adama; Kjær, Erik Dahl; Sanou, Haby; Ræbild, Anders; Jensen, Jan S.; Hansen, Jon Kehlet.
In: Tree Genetics & Genomes, Vol. 9, No. 3, 2013, p. 779-793.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Breeding for high production of leaves of baobab (Adansonia digitata L) in an irrigated hedge system
AU - Korbo, Adama
AU - Kjær, Erik Dahl
AU - Sanou, Haby
AU - Ræbild, Anders
AU - Jensen, Jan S.
AU - Hansen, Jon Kehlet
PY - 2013
Y1 - 2013
N2 - This study presents an evaluation of an irrigated "market garden" trial established with 3-month-old seedlings of baobab. The trial included offspring from 59 open-pollinated family lots from ten provenances and four bulked provenance sample lots. Leaf productivity and seedling growth were evaluated monthly from the third month after establishment. We found lowered leaf productivity during the dry season despite the plants being irrigated. We provide the first estimates of heritability for leaf production and growth of the species. We assumed that the families of seed from open-pollinated single trees consist of true half-sibs but also provided adjusted estimates assuming a high level of selfing. Differences among provenances and families within provenances were highly significant (p <0. 01) with respect to leaf productivity. Heritability estimates (adjusted and non-adjusted) for leaf productivity were moderate to low, predicting moderate genetic gain from selection. Strong genetic and phenotypic correlations were estimated between diameter and leaf production, indicating that simple selection for diameter can efficiently increase leaf production. The dry weight/fresh weight ratio was not significantly different among provenances or families within provenances. Based on the findings, we discuss how breeding can increase the total leaf production and its seasonal distribution.
AB - This study presents an evaluation of an irrigated "market garden" trial established with 3-month-old seedlings of baobab. The trial included offspring from 59 open-pollinated family lots from ten provenances and four bulked provenance sample lots. Leaf productivity and seedling growth were evaluated monthly from the third month after establishment. We found lowered leaf productivity during the dry season despite the plants being irrigated. We provide the first estimates of heritability for leaf production and growth of the species. We assumed that the families of seed from open-pollinated single trees consist of true half-sibs but also provided adjusted estimates assuming a high level of selfing. Differences among provenances and families within provenances were highly significant (p <0. 01) with respect to leaf productivity. Heritability estimates (adjusted and non-adjusted) for leaf productivity were moderate to low, predicting moderate genetic gain from selection. Strong genetic and phenotypic correlations were estimated between diameter and leaf production, indicating that simple selection for diameter can efficiently increase leaf production. The dry weight/fresh weight ratio was not significantly different among provenances or families within provenances. Based on the findings, we discuss how breeding can increase the total leaf production and its seasonal distribution.
UR - http://www.scopus.com/inward/record.url?scp=84877717814&partnerID=8YFLogxK
U2 - 10.1007/s11295-013-0595-y
DO - 10.1007/s11295-013-0595-y
M3 - Journal article
AN - SCOPUS:84877717814
VL - 9
SP - 779
EP - 793
JO - Tree Genetics and Genomes
JF - Tree Genetics and Genomes
SN - 1614-2942
IS - 3
ER -
ID: 97317872