Evaluation of Ten Cacao Clones in A Root-Knot Nematode Meloidogyne Incognita Infested Field
Journal Title: Scientia Agriculturae - Year 2015, Vol 11, Issue 2
Abstract
This experiment was carried out on the field in a Randomized Complete Block Design (40 X 10m plot) to evaluate cacao clones for resistant in nematode infested field. The twelve cocoa clones evaluated are MXC67, T86/2, PA150, LCTEEN, T12/11, T53/5, T101/15, T65/7, ICS1 and AMAZ 15-15. Based on gall index, nematode reproduction factor and growth parameters, MXC67, T86/2, PA150, T101/15 and T53/5 were susceptible to the nematode. Two other clones, T65/7 and ICS1 were tolerant. A high degree of resistance was exhibited by LCTEEN, T12/11 and AMAZ 15-15. Compared with F3 Amazon and Amelonado varieties, the two most famous cocoa varieties in Nigeria, four clones (LCTEEN, T65/7, ICSI and AMAZ 15-15) were superior to F3 Amazon and Amelonado. This study showed that some of the clones that when planted in nematode infested soil will drastically reduce seedling failure experienced by farmers. This tolerant and resistant clones identified should be included in breeding programme for resistance.
Authors and Affiliations
M. O Okeniyi , A. R Adedeji , S. B Orisajo , E. A Agbebaku
Keywords
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- EP ID EP117173
- DOI 10.15192/PSCP.SA.2015.11.2.9095
- Views 141
- Downloads 0
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