机构地区:[1]Institut de l’Environnement et de Recherches Agricoles (INERA), Bobo-Dioulasso, Burkina Faso [2]University Joseph KI-ZERBO, Ouagadougou, Burkina Faso
出 处:《Agricultural Sciences》2021年第6期684-699,共16页农业科学(英文)
摘 要:<em>Phonoctonus lutescens</em> which is a predator of <em>Dysdercus vo<span style="white-space:nowrap;"><span style="white-space:nowrap;">ë</span></span>lkeri</em> (Schmidt, 1932) is present in cotton fields at the same time as its prey, <em>D. vo<span style="white-space:nowrap;"><span style="white-space:nowrap;">ë</span></span>lkeri</em>. The objective of this study was to see which of the biological control or chemical control programs spares and maintains the potentially beneficial insects, especially <em>P. lutescens</em>. This study was conducted at three sites: Farako B<span style="white-space:nowrap;"><span style="white-space:nowrap;">â</span></span> site located in the southern Sudanian zone and has geographical coordinates between 04<span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">˚</span></span></span></span></span>20' West and 11<span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">˚</span></span></span></span></span>06' North. The site of Kombissiri with 12'04'' North and 1'20'' West as geographical coordinates. The site of Kouaré with the following coordinates: 11'56'' North and 0'17'' East. The design was a 2000 m<sup>2</sup> paired trial subdivided into 3 subplots of 640 m<sup>2</sup> on the three sites. The sample area is repeated 4 times in each plot. All data were subjected to analysis of variance (ANOVA) using SPSS software (version 22.0;SPSS Inc., Chicago, IL, Usa). When significance occurred, means were separated by Bonferroni test (p < 0.05). All data were presented as the mean ± standard errors with 3 replications. For insect pests, conventional cotton was more affected by whitefly with 0.42 ± 1.10 and organic cotton by jassids with 0.75 ± 1.66 at Farako b<span style="white-space:nowrap;"><span style="white-space:nowrap;">â<<em>Phonoctonus lutescens</em> which is a predator of <em>Dysdercus vo<span style="white-space:nowrap;"><span style="white-space:nowrap;">ë</span></span>lkeri</em> (Schmidt, 1932) is present in cotton fields at the same time as its prey, <em>D. vo<span style="white-space:nowrap;"><span style="white-space:nowrap;">ë</span></span>lkeri</em>. The objective of this study was to see which of the biological control or chemical control programs spares and maintains the potentially beneficial insects, especially <em>P. lutescens</em>. This study was conducted at three sites: Farako B<span style="white-space:nowrap;"><span style="white-space:nowrap;">â</span></span> site located in the southern Sudanian zone and has geographical coordinates between 04<span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">˚</span></span></span></span></span>20' West and 11<span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">˚</span></span></span></span></span>06' North. The site of Kombissiri with 12'04'' North and 1'20'' West as geographical coordinates. The site of Kouaré with the following coordinates: 11'56'' North and 0'17'' East. The design was a 2000 m<sup>2</sup> paired trial subdivided into 3 subplots of 640 m<sup>2</sup> on the three sites. The sample area is repeated 4 times in each plot. All data were subjected to analysis of variance (ANOVA) using SPSS software (version 22.0;SPSS Inc., Chicago, IL, Usa). When significance occurred, means were separated by Bonferroni test (p < 0.05). All data were presented as the mean ± standard errors with 3 replications. For insect pests, conventional cotton was more affected by whitefly with 0.42 ± 1.10 and organic cotton by jassids with 0.75 ± 1.66 at Farako b<span style="white-space:nowrap;"><span style="white-space:nowrap;">â<
关 键 词:Phonoctonus lutescens Dysdercus vöelkeri Conventional Cotton Organic Cotton Burkina Faso
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