3rd I
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QUESTIONS AND COMMENTS
1. 304
What potato handling skills and storage skills would you recommend to reduce potato losses?
2. 312
How does the sexual dimorphism of R.albopilosus affect (good or bad) agriculture or bioscience?
3. 313
How applicable is the brunch pruning with farmers? Will they not resist especially when they have to remove the distal fruits on the bunch?
4. 314
Where else can shea butter tree be grown in the world i.e what are its requirements? How much fruit does it produce to make it economical in seed cake manufacture for animal feeds?
5. 314
The nursery media seems simple enough to use. What are the tamarind pods used for? Can this media be used for other trees or plants?
6. Here is the ENGLISH ABSTRACT: IeCAB 315 B
The study on the sensitivity of Mycosphaerella fijiensis to fungicides was undertaken on 12 industrial plantations of banana tree cv Grande Naine (Musa AAA), divided into six basins of production: Aboisso, Bassam, Dabou, Agboville, Azaguié and Tiassalé; for a total surface of 2576 ha. The sensitivity of the stocks of Mycosphaerella to principal fungicides used was evaluated. The observations were carried out on the conidia after 48 hours of incubation, on fungicides-amended media. Studied doses were: 5 µl/L thiophanate-methyl (benzimidazoles), 0,1 µl/L of propiconazole (triazoles) and azoxystrobin (strobilurins). The evaluation of the effect was carried out under photonic microscop. For benzimidazoles, the rate of the conidia with normal germination is given. For triazoles and the strobilurins, the rates of inhibition of growth of the germinal tube of the conidia were calculated starting from controls on medium without fungicide. The results showed the emergence of resistance to triazoles in 3 basins of production: the mean rates of inhibition however ranged from medium to quite high: 43 % (Aboisso), 54 % (Dabou) and 70 % (Azaguié). The areas of production of Agboville, Bassam and Tiassalé were safe from this phenomenon. The level of sensitivity of the fungus to benzimidazoles and the strobilurins was shown in general enough. However, the level of resistance to the strobilurins was shown very high in the production basins of Dabou (80 %) and of Azaguié (99 %). Unfortunately the study could not provide explanation.
Keywords: Mycosphaerella fijiensis, banana trees, resistance, fungicide, Côte.d'Ivoire, Musa.
7. 315c
How can this information be applied by farmers or scientists?
8. 306
Innovative method to get drought resistant maize. What are these QTLs?
9. 317
What are the common names of these medicinal plants and endangered species?
10. 322
The furcraea hexapatala extract showed high effectiveness. What range of insects can you recommend it be used for and also on what plants?
11. 303
Very impressive work! Where is this ‘lithovit’ found?
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