Effect of transplanting period on the population dynamics, parasitism and damage of lepidopteran rice stem borers in irrigated rice scheme of Vallée du Kou, Burkina Faso

Sama, Karim; Nacro, Souleymane; Dakouo, D.

doi:10.1017/s1742758414000599

Cited by 3 publications

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“…Padmavathi et al (2007) Sama et al (2015) l'ont souligné. En Inde, des résultats similaires à ceux de Karfiguéla ont été obtenus (Thiyagarajan et Biksham, 2013).…”

Section: Mise En Place Et Entretien Des Culturesunclassified

“…L'expression des potentialités de la plante du riz a été décrite comme une des qualités imputables à la pratique du SRI (Barah, 2010;Uphoff, 2015). Cependant, des obstacles d'ordre socio-économique et biotique peuvent constituer des facteurs limitants ( Kaboré, 2007;Ba et al, 2008 ;Yegbemey et al, 2012 ;Sama et al, 2015Sama et al, , 2016. Au nombre de ces obstacles, figurent les coûts de production et l'impact des ennemis de la culture tels que les adventices, les champignons, les insectes et les bactéries (Ovono et al, 2014 ;Soko et al, 2015).…”

Section: Introductionunclassified

“…(Ba et al, 2004, 2008Nwilene et al, 2013). La recherche des méthodes de contrôle des nuisibles fait l'objet de nombreuses études (Padmavathi et al, 2007;Sama et al, 2015Sama et al, , 2016. Au nombre de ces méthodes, figurent les bonnes pratiques culturales que regroupe le Système de Riziculture Intensif (SRI) en un paquet technologique.…”

Section: Introductionunclassified

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Problématique de mise en oeuvre du système de riziculture intensif dans les périmètres rizicoles irrigués de Karfiguéla et de la vallée du Kou au Burkina Faso

Sanou¹,

Dembele²,

Ouédraogo³

et al. 2017

Int. J. Bio. Chem. Sci

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Le système de Riziculture Intensif (SRI) constitue un ensemble de bonnes pratiques agricoles qui peuvent améliorer le rendement des producteurs. Ainsi, une étude au Burkina Faso a été conduite dans 2 plaines irriguées pendant l'hivernage 2013, afin d'appréhender la contribution du SRI dans l'amélioration des rendements et des conditions de production des riziculteurs. Deux parcelles (traitements) ont été mises en comparaison dans le champ de chaque riziculteur. L'une comporte le SRI et l'autre les Pratiques Habituelles des Riziculteurs (PHR). Des mesures ont été réalisées pendant quatre périodes d'observation, pour évaluer le tallage, les dégâts (coeurs morts, galles et panicules blanches) des populations pré-imaginales des principaux insectes nuisibles du riz et le rendement. Une enquête d'évaluation de la rentabilité économique en fonction de la gestion de la culture a été aussi réalisée. Les résultats montrent la problématique liée à la mise en oeuvre du SRI et son opportunité chez les riziculteurs. Une adaptation du SRI aux réalités socio-économiques et agroécologiques des riziculteurs pourrait appuyer sa promotion et améliorer les rendements. © 2016 International Formulae Group. All rights reserved.Mots clés : SRI, pratique habituelle du riziculteur, rentabilité économique, insecte déprédateur du riz, rendement.Implementation problematic of system of rice intensification in rice irrigated fields in Karfiguéla and Kou valley, Burkina Faso ABSTRACT The Intensive Rice Production System (SRI) is a set of good agricultural practices that can improve the yield of producers. Thus, a study in Burkina Faso was conducted in 2 irrigated plains during the winter of 2013, In order to understand the contribution of the SRI in improving rice yields and production conditions. Two plots (treatments) were compared in the field of each rice farmer. One includes the SRI and the other the Usual Practices of the Rice Farmers (PHR). Measurements were made during four observation periods to assess tillering, the damage (dead hearts, galls and white panicles) of the pre-imaginary populations of the main A. G. SANOU et al. / Int. J. Biol. Chem. Sci. 10(6): 2693-2709, 2016 2694 insect pests of rice, and yield. A survey was also carried out to evaluate economic profitability as a function of cultural management. The results show the problems associated with the implementation of the SRI and its opportunity for rice growers. An adaptation of the SRI to the socio-economic and agro-ecological realities of rice farmers could support its promotion and improve yields.

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“…Padmavathi et al (2007) Sama et al (2015) l'ont souligné. En Inde, des résultats similaires à ceux de Karfiguéla ont été obtenus (Thiyagarajan et Biksham, 2013).…”

Section: Mise En Place Et Entretien Des Culturesunclassified

Section: Introductionunclassified

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Problématique de mise en oeuvre du système de riziculture intensif dans les périmètres rizicoles irrigués de Karfiguéla et de la vallée du Kou au Burkina Faso

Sanou¹,

Dembele²,

Ouédraogo³

et al. 2017

Int. J. Bio. Chem. Sci

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“…These insects regularly compromise the harvest in the dry season (January-May) since the 1980 [7][8][9][10][11][12]. White panicles rates of over 40% were observed during the 1999 dry season [13]. The yield losses associated with this damage varies from 12 to 25% (POLASKEK quoted by [13].…”

Section: Introductionmentioning

confidence: 99%

“…White panicles rates of over 40% were observed during the 1999 dry season [13]. The yield losses associated with this damage varies from 12 to 25% (POLASKEK quoted by [13].…”

Section: Introductionmentioning

confidence: 99%

Effect of Transplanting Zones and Dates on Pre-imaginal Populations, Parasitism and Attacks of Major Insect Pests of Rice on the Rice-Growing Area of la Vallée du Kou (Bobo-Dioulasso)

Ouattara¹,

Nacro²,

Dabiré³

et al. 2018

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Lepidopterous stem borers cause extensive damage in irrigated rice in Burkina Faso and regularly compromise the harvest of the dry season rice in the rice-growing area of la Vallée du Kou in western Burkina Faso. Yield of losses of 40% were observe during the dry season. The study conducted during the wet season in 2015 examined the effects of areas and of transplanting dates on the evolution of population of stem borer's damage and of parasitism. Rice irrigation area of la Vallée du Kou was divided into three areas within which 12 farmers were selected on the basis of three dates of transplanting rice; they were total 36 for the days three transplanting dates. According to agronomic evaluation, the transplantation dates are influence by the number of tillers and by the number of panicles. The maximum average number of tillers was observed in the second area within the first date of transplantation. Otherwise the second area and the second date recorded the highest number of panicles. Entomological observations were carried on every 7 days from the 21 th day to 91 th day after rice transplanting in each of the 36 fields. Late transplanting (August) are the most exposed to Orseolia oryzivora attacks. The genus Chilo spp, Maliarpha and Diopsis spp were the most important pests in rice plants on the perimeter of la Vallée du Kou. Periods of greatest damage were observed in tillering. They were responsible for the deadhearts damage, for white panicles and for the highest rates. These damages were recorded during the first date of rice transplanting. Parasitism associated with the genus Chilo was observed in the first transplanting date. The hectare average yields were most important in the second transplanting date of within the third area. These results on the pre-imaginal populations are important data. These data can be taken into account to improve the development of a strategy to fight against the major insect pests of rice plants. All these elements are linked to the climatic variations.

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Stem borers revisited: Host resistance, tolerance, and vulnerability determine levels of field damage from a complex of Asian rice stemborers

et al. 2021

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Yield losses from rice stem borers depend on the nature of the rice variety, the timing of attack, and the composition of the stem borer species assemblage. This study uses a range of phenotyping methods to distinguish different categories of herbivore-rice interaction that determine relative damage levels (dead heart and whitehead-panicles) and yield losses to varieties exposed to stem borers. Phenotyping studies were conducted in a greenhouse, screen house and field using two stem borer species ( Scirpophaga incertulas [yellow stem borer - YSB] and Chilo suppressalis [striped stem borer - SSB]) and 12 rice lines. Only YSB displayed oviposition preferences across rice varieties. Both stem borer species performed better (greater survival, shorter development times, heavier pupae) on rice at vegetative compared to reproductive growth stages, and SSB was less capable than YSB of developing on rice at reproductive growth stages. Stem borer larval survival, body weight, development time, and tiller damage across different rice varieties in greenhouse experiments was poorly correlated between the two stem borer species and for each of the species on rice at two different plant growth stages (vegetative and reproductive). In contrast, rice tillering and yield responses to the two stem borer species were often highly correlated, but only when plants were attacked at the reproductive stage. Short-term, controlled experiments revealed aspects of host resistance and relative changes in plant biomass and yield in response to damage (condition change). However, the results from controlled environments and field-plots were not generally correlated because plant vulnerability, i.e., relative exposure to stem borer attack due to crop duration, largely determined field damage. We recommend that phenotyping studies should differentiate between the resistance, tolerance and vulnerability of rice lines to complexes of stem borers in a given region. Single stem borer species experiments under controlled environments are useful to gain knowledge of the nature of rice-stem borer interactions; however, field testing with comparative treatments, particularly under high soil fertilizer levels that increase plant attractiveness, are better for assessing the relative propensities of rice varieties to incur damage and yield losses due to complexes of stem borers.

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Effect of transplanting period on the population dynamics, parasitism and damage of lepidopteran rice stem borers in irrigated rice scheme of Vallée du Kou, Burkina Faso

Cited by 3 publications

References 4 publications

Problématique de mise en oeuvre du système de riziculture intensif dans les périmètres rizicoles irrigués de Karfiguéla et de la vallée du Kou au Burkina Faso

Problématique de mise en oeuvre du système de riziculture intensif dans les périmètres rizicoles irrigués de Karfiguéla et de la vallée du Kou au Burkina Faso

Effect of Transplanting Zones and Dates on Pre-imaginal Populations, Parasitism and Attacks of Major Insect Pests of Rice on the Rice-Growing Area of la Vallée du Kou (Bobo-Dioulasso)

Stem borers revisited: Host resistance, tolerance, and vulnerability determine levels of field damage from a complex of Asian rice stemborers

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