Yield loss in plantain from black sigatoka leaf spot and field performance of resistant hybrids

Mobambo, K.N.; Gauhl, F.; Vuylsteke, D; Ortíz, Rodomiro; Pasberg‐Gauhl, C.; Swennen, Rony

doi:10.1016/0378-4290(93)90134-9

Cited by 86 publications

(44 citation statements)

References 5 publications

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“…This accounts for 45% of yield loss in bananas (Rukazambuga, 1996). On the other hand, black Sigatoka has been reported to cause yield decline of 30 to 50% on plantains (Mobambo et al, 1993), while Tushemereirwe (1996) reported a yield loss of 37% on East African Highland bananas.…”

Section: Author(s) Agree That This Article Remain Permanently Open Acmentioning

confidence: 99%

Yield performance of East African highland banana hybrids on farmers fields under high disease pressure

Erima¹,

Ssebuliba²,

Nankinga³

et al. 2016

Afr. J. Agric. Res.

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The production of the East African highland cooking banana is constrained by pests, diseases and narrow genetic base amongst others. Research to develop resistant / tolerant genotypes has been on going at Kawanda. 18 promising banana hybrids have been identified. The hybrids were planted on farmers' fields in Kasangombe Sub-county in central Uganda for evaluation against black Sigatoka and yield. Data were collected on some of the agronomic traits, banana weevil damage and response to black Sigatoka disease on the plant and first ratoon crops. The data were analysed using mixed model procedures on SAS software. Means within each crop cycle were separated by comparing hem to Mbwazirume using adjustment to Dunnett's Test at 5% level of significance. The hybrids had more functional leaves (at least 9) compared to Mbwazirume (approximately 8 leaves). Youngest leaf spotted was significantly higher in the hybrids. All the hybrids except 2734K-1 retained significantly higher number of leaves at harvest (approximately 3 leaves). Most of the hybrids produced bigger bunches (at least 16 kg and 19 in the plant crop and first ratoon respectively) and the yield (t/ha/yr) of the banana hybrids was also higher compared to Mbwazirume. A Bi-plot of principal component analysis 1 against principal component analysis 2 showed that banana hybrids 12419S-13, 2625K-1 and 7798S-2 displayed very good agronomic traits in terms of plant height, girth and bunch weights. They also appeared to be tolerant to black Sigatoka disease as compared to Mbwazirume. These could be recommended for further evaluation with farmers to establish their culinary qualities and acceptability.

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Section: Author(s) Agree That This Article Remain Permanently Open Acmentioning

confidence: 99%

Yield performance of East African highland banana hybrids on farmers fields under high disease pressure

Erima¹,

Ssebuliba²,

Nankinga³

et al. 2016

Afr. J. Agric. Res.

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“…The PITA 2 hybrid was chosen for this study because it is resistant to black sigatoka disease (Mobambo et al, 1993) while the local variety Agbagba was included because it is associated with very big fruit weight among several cultivars (Baiyeri and Tenkouano 2008). The fruits of the other local cultivar Obino l'Ewai are smaller than that of Agbagba and were chosen because it is one of the parents of the hybrid under study.…”

Section: Titratable Acidity Moisture Content and Tss Of Plantainmentioning

confidence: 99%

Modelling Chemical Preservation of Plantain Hybrid Fruits

Nwaiwu

Itumoh

2017

Turkish JAF Sci.Tech.

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New plantain hybrids plants have been developed but not much has been done on the post-harvest keeping quality of the fruits and how they are affected by microbial colonization. Hence fruits from a tetraploid hybrid PITA 2 (TMPx 548-9) obtained by crossing plantain varieties Obino l'Ewai and Calcutta 4 (AA) and two local triploid (AAB) plantain landraces Agbagba and Obino l'Ewai were subjected to various concentrations of acetic, sorbic and propionic acid to determine the impact of chemical concentration, chemical type and plantain variety on ripening and weight loss of plantain fruits. Analysis of titratable acidity, moisture content and total soluble solids showed that there were no significant differences between fruits of hybrid and local varieties. The longest time to ripening from harvest (24 days) was achieved with fruits of Agbagba treated with 3% propionic acid. However, fruits of PITA 2 hybrid treated with propionic and sorbic acid at 3% showed the longest green life which indicated that the chemicals may work better at higher concentrations. The Obino l'Ewai cultivar had the highest weight loss for all chemical types used. Modelling data obtained showed that plantain variety had the most significant effect on ripening and indicates that ripening of the fruits may depend on the plantain variety. It appears that weight loss of fruits from the plantain hybrid and local cultivars was not affected by the plantain variety, chemical type. The chemicals at higher concentrations may have an effect on ripening of the fruits and will need further investigation.

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“…Key: Fa: False horn; Fr: French. Sources: Mobambo et al 1993;Vuylsteke et al 1993;De Cauwer et al 1995;Tenkouano et al 1998;Nwauzoma et al 2002;Lemchi et al 2005;Baiyeri and Tenkouano 2008;Aba et al 2011. As only one experiment reported the percentage of plants contributing to yield, bunch masses are used 100 % higher yields than False horn due to larger bunch mass, an increasing proportion of French plantain in the field would increase overall yield and thus improve food security where production is for auto-consumption.…”

Section: Landrace Comparisons and Improved Cultivarsmentioning

confidence: 99%

“…In lowland West and Central Africa, the important nematodes that attack banana and plantain are Pratylenchus coffeae, Radopholus similis, Helicotylenchus multicinctus, Meloidogyne spp., Rotylenchulus reniformis and P. goodeyi (Adiko 1988;Speijer et al 2001;Kamira et al 2013;Osei et al 2013). Mobambo et al 1993;12 Vuylsteke et al 1993;13 Obiefuna 1984b;14 Coyne et al 2005 andRotimi 2003: 15 Tenkouano et al 1998;16 Nwauzoma et al 2002;17 Selatsa et al 2009*;18 Baiyeri and Tenkouano 2008;19 Lemchi et al 2005*;20 De Cauwer et al 1995;21 Banful et al 2000;22 Baiyeri et al 2004 andBaiyeri et al 1999;23 Phillip et al 2009* andSalako et al 2007 for soil; 24 Plantain-derived improved cultivar 8 11,12,15,16,18,19,20,25 Fig Two experiments quantified yield loss to plant-parasitic nematodes under controlled on-station conditions (Table 2). Dochez et al (2009) compared growth of plantains inoculated with R. similis, H. multicinctus, H. dihystera, and Meloidygyne spp.…”

Section: Biotic Factors 1: Nematodes Yield Losses and Sucker Sanitationmentioning

confidence: 99%

“…Such management practices are beyond the means of smallholder farmers so research efforts in West and Central Africa have focussed on developing improved cultivars that exhibit tolerance to black sigatoka. To determine yield loss to black sigatoka, Mobambo et al (1993) compared the yield of a susceptible French landrace treated with or without fungicide under highly fertilised conditions (300 kg ha −1 N, 456 kg ha −1 K on soils containing high levels of available P) in SE Nigeria (Table 2). A comparison of the treated (representing no loss to black sigatoka) versus untreated landrace demonstrated a 33 % decrease in bunch mass, a slight lengthening of the planting to harvest time and thus a 39 % decrease in yield per unit time attributed to black sigatoka.…”

Section: Biotic Factors 2: Black Sigatokamentioning

confidence: 99%

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Improving plantain (Musa spp. AAB) yields on smallholder farms in West and Central Africa

Norgrove

Häuser

2014

Food Sec.

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Plantain is an important staple in West and Central Africa, where it is predominantly grown by smallholder farmers. On-farm data are rare but yields are considered to be low. We collated actual yields in the region, reviewed regional plantain research published from 1976 to 2013, then estimated what yields would be attainable on smallholder farms if the proven, best-fit innovations were adopted. Mean actual yields reported ranged from 2.9 to 8.9 Mg ha −1 with a mean of 5.7 Mg ha −1 for False horn plantain and 4.5 to 10.2 Mg ha −1 with a mean of 7.8 Mg ha −1 for French plantain. Experiments found dealt with: cultural practices, particularly intercropping; abiotic factors such as fertiliser, mulch application and irrigation; biotic factors, predominantly sucker sanitation methods, but including three controlled yield loss studies on nematodes and black sigatoka; landrace comparisons and the introduction of improved cultivars, predominantly those exhibiting black sigatoka-tolerance. We conclude that intercropping should be retained according to farmer preference as there was no evidence of yield reductions for plantain. Boiling water treatment of suckers should be universally recommended. Inputs, whether mulch or K fertiliser up to 300 kg ha −1 , should be applied as both reduced plant losses and increased bunch mass. With the highest yielding local landrace type, on-farm yields could be increased from 7.8 Mg ha −1 to 35.5 Mg ha −1 with purchased inputs or to 23.7 Mg ha −1 without purchased inputs.

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Yield loss in plantain from black sigatoka leaf spot and field performance of resistant hybrids

Cited by 86 publications

References 5 publications

Yield performance of East African highland banana hybrids on farmers fields under high disease pressure

Yield performance of East African highland banana hybrids on farmers fields under high disease pressure

Modelling Chemical Preservation of Plantain Hybrid Fruits

Improving plantain (Musa spp. AAB) yields on smallholder farms in West and Central Africa

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