Comparative Efficacy of Organic Mulching and Organic Neem Oil in the Control of spotted and striped cucumber beetles affecting the growth and yield of Cucumber in Uyo, Akwa Ibom State

R. E. U., Ukatu, P.O., Nwune, U. C., Okoroafor, P. I., Nwaosu, U. N.
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Abstract

A research work was undertaken in the University of Uyo Teaching and Research Farm, Main Campus, Uyo, from March to May during the 2023 cropping season to assess the effect of Organic Mulching and Neem Oil in the Control of Cucumber Beetles (spotted “Diabrotica undecimpunctata” and striped “Acalymma vitatum”) affecting the growth and yield of Cucumber (Cucumis sativum, Saira F1 variety). The experiment was laid out in Randomized Complete Block Design (RCBD). The experimental plot consisted of three (3) replicates with 2 treatments: organic mulch, organic Neem oil application and control. An early maturing variety of cucumber “Saira F1” was used as planting material sown in March which lasted till May. Data on insect pest population count, growth and yield parameters were studied and the data obtained were analyzed and subjected to analysis of variance using Fisher`s Least Significant Difference (LSD) at 5% probability level. The results from insect population count parameters revealed that Neem oil at 100ml application rate which recorded 10.50 and 6.00 was significantly effective in managing spotted and striped cucumber beetles respectively compared to organic mulch (3kg) which recorded 47.00 and 14.00 for spotted and striped cucumber beetles and control unit which had 61.00 and 42.00 for spotted and striped cucumber beetles respectively. Neem oil at 100ml application rate was also more effective in improving the growth and yield of cucumber plant compared to organic mulch. Hence, Farmers in Uyo, Akwa Ibom State should employ Neem oil in managing spotted and striped cucumber beetles in cucumber production as this is a promising botanical insecticide to check the activities of field cucumber beetles thereby bringing their destructive activities to a minimum and also improves yield.
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有机覆盖物和有机印楝油在控制影响阿夸伊博姆州乌约市黄瓜生长和产量的斑点黄瓜甲虫和条纹黄瓜甲虫方面的功效比较
2023 年 3 月至 5 月,在乌约大学主校区的乌约教学与研究农场开展了一项研究工作,以评估有机覆盖物和印楝油对黄瓜甲虫(斑点 "Diabrotica undecimpunctata "和条纹 "Acalymma vitatum")的防治效果,这些甲虫会影响黄瓜(Cucumis sativum,Saira F1 品种)的生长和产量。实验采用随机整群设计(RCBD)。实验小区由三(3)个重复组成,有两种处理方法:有机地膜覆盖、施用有机印楝油和对照。使用早熟黄瓜品种 "Saira F1 "作为种植材料,于 3 月播种,一直持续到 5 月。对害虫数量、生长和产量参数进行了研究,并使用费雪最小显著差异法(LSD)在 5%的概率水平上对所获得的数据进行了方差分析。昆虫数量参数结果表明,与有机地膜(3 千克)相比,施用量为 100 毫升的印度楝树油对斑点黄瓜甲虫和条纹黄瓜甲虫的防治效果分别为 10.50 和 6.00,而有机地膜(3 千克)对斑点黄瓜甲虫和条纹黄瓜甲虫的防治效果分别为 47.00 和 14.00,对照组对斑点黄瓜甲虫和条纹黄瓜甲虫的防治效果分别为 61.00 和 42.00。与有机地膜相比,施用量为 100 毫升的印度楝树油也能更有效地改善黄瓜植株的生长和产量。因此,阿夸伊博姆州乌约市的农民应该在黄瓜生产中使用印度楝树油来防治斑点黄瓜甲虫和条纹黄瓜甲虫,因为这是一种很有前景的植物杀虫剂,可以抑制田间黄瓜甲虫的活动,从而将其破坏活动降到最低,同时还能提高产量。
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