Abstract
In Côte d’Ivoire, Deli populations, descendants of four oil palms, constituted Group A of the recurrent reciprocal selection. Their genetic base was narrow, an obstacle to long-term genetic progress. Therefore, Angolan oil palm accessions were acquired to broaden Group A’s genetic base. Angola selfed and Deli × Angola progenies were tested via Angola selfed × La Mé and (Deli × Angola) × La Mé intergroup hybrids for bunch and oil production, height growth, and tolerance to Fusarium in two progeny trials; one in La Mé (Côte d’Ivoire) and the other one in Bangun Bandar (Indonesia). On average, bunch yield (183 kg/palm/year) and oil yield (5.34 t/ha) were close to those of the control. The best 5 hybrids represented 104-112% of the control all traits put together. In addition, Angolan origin has transmitted tolerance to Fusarium to its progenies (Fusarium index = 80-90). [(Deli × Angola)’s LM 5448 T] × La Mé hybrids yielded 241.4 kg/palm/year of bunch and 7.30 t/ha of palm oil. Their mean height was comparable to that of the control and the Fusarium index low (82). Therefore, LM 5448 T was selected for further crop improvements. The modalities of its use were proposed.
Highlights
Plant genetic resources, including those of oil palm, are a vital component of plant breeding without which plant improvement is impossible (Acquaah, 2007)
Group A is solely comprised of Deli provenance. It consists of dura type palms descended from four dura oil palms introduced into the Botanical Garden of Bogor (Indonesia) in 1848 (Hartley, 1977)
Introductions of oil palm materials from new sources, including accessions from sub-spontaneous palm groves, are undertaken before each new selection cycle (Adon et al, 1993, Adon et al, 1998, Bakoume et al, 2001). It is in this context that Angolan natural oil palm accessions from the localities of Salazar and Novo Redondo Nhime were introduced in the Oil Palm Research Station of La Mé (Côte d’Ivoire) in 1971
Summary
Plant genetic resources, including those of oil palm, are a vital component of plant breeding without which plant improvement is impossible (Acquaah, 2007). Group A is solely comprised of Deli provenance It consists of dura type palms descended from four dura oil palms introduced into the Botanical Garden of Bogor (Indonesia) in 1848 (Hartley, 1977). Introductions of oil palm materials from new sources, including accessions from sub-spontaneous palm groves, are undertaken before each new selection cycle (Adon et al, 1993, Adon et al, 1998, Bakoume et al, 2001). It is in this context that Angolan natural oil palm accessions from the localities of Salazar and Novo Redondo Nhime were introduced in the Oil Palm Research Station of La Mé (Côte d’Ivoire) in 1971. A first stage of evaluation of the said palms was carried out by crossing them with genitors from Deli jas.ccsenet.org
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