Bioefficacy of botanical and chemical insecticides against brown planthopper, Nilaparvata lugens (Stal) (Hemiptera: Delphacidae), in paddy crop

Efficacy of chemicals, botanicals and biopesticides against fall armyworm (Spodoptera frugiperda) on fodder maize (Zea mays L.)

The efficacy of selected chemicals, botanicals and biopesticides against fall armyworm (FAW; Spodoptera frugiperda) on fodder maize var. African Tall was conducted from 2019 to 2021 at five locations in India. The pooled data revealed that at 3 days after spraying, the FAW population was lowest (16.53% infestation of plants) in T1 treatment (Emamectin benzoate 5 SG @ 5 ml/10 L of water), significantly superior to the rest of the treatments. In addition, the other best treatments were T2 (chlorpyriphos 20 EC @ 20 ml/10 L; 26.36%) followed by T8 (Metarhizium rileyi (Nomuraea) 1.15% WP@ 75 g/10 L; 30.73%), T4 (M. anisopliae 1.15% WP @ 75 g/10 L; 31.30%), T6 (Beauveria bassiana 1.15% WP@ 75 g/10 L; 32.13%), and T5 (B. bassiana 1.15% WP@ 50 g/10 L; 32.96%). Moreover, a similar trend was observed at 7 and 10 days after spraying. The highest green fodder yield (GFY; 37.49 t/ha) was recorded in treatment T1 as compared to the control (22.42 t/ha). Likewise, T1 was the best economical treatment (BC ratio: 1:1.55), followed by T2 (BC ratio: 1:1.31) and T8 (BC ratio: 1:1.23).

Field evaluation of biorational insecticides for managing major rice pests and conserving natural enemies in South Sulawesi

Efficacy of botanical and biological inseccides against Spodoptera frugiperda in corn

Effects of Mesosphaerum suaveolens leaves oil Emulsifiable Concentrate and Lamda-cyhalothrin on arthropods associated with Cucumis melo in Wukari, Nigeria

Eficacia de insecticidas botánicos y biológicos contra Spodoptera frugiperda en maíz

The fall armyworm, Spodoptera frugiperda, is one of the main pests of corn in Ecuador, causing significant yield losses. The intensive use of chemical insecticides for its control poses environmental and human health risks. As a sustainable alternative, this study evaluated the efficiency of biological and botanical insecticides under laboratory conditions. The research was conducted from May to July 2025 using a completely randomized design with four treatments [BotaniGard® ES (Beauveria bassiana), Dipel® WG (Bacillus thuringiensis), NeemAzal® T/S (neem oil), and Delegate® 250 WG (spinetoram, as a chemical control)], which were applied to third-instar larvae via the leaf immersion technique, with evaluations at 24, 48, 72 and 96 h. Results showed that B. thuringiensis achieved 100% mortality at 96 h, followed by neem oil and B. bassiana, both with 97.5%. Spinetoram produced immediate and sustained mortality of 100% from 24 h. In contrast, neem showed a low initial mortality rate (17.5%) that progressively increased over time. Overall, the biological and botanical insecticides evaluated are effective alternatives for managing S. frugiperda under laboratory conditions, helping reduce dependence on conventional chemical insecticides.

Integrated evaluation of synthetic and botanical insecticides for the management of whitefly (Bemisia tabaci) nymph populations on tomato and sweet potato under plastic house condition

Generally, Whiteflies (Bemisia tabaci G.) is considered as one of the most wide important problems protected vegetable production systems. It affects plants directly and indirectly, leading to lesser output, its value and quantity of harvest. The first one evaluates the effectiveness of the three synthetic insecticides (Citaprid 20 WP, Evizil 50% SP, and Oberon 240 SC) on tomatoes in a greenhouse, while the second one is in vitro experiment include the evaluation the effect of three dosages of ginger (%10, %15 and %20) and garlic extracts (%10, %15 and %20) against whitefly nymphs on sweet potatoes. We used random complete block design statistical analyses, ANOVA, LSD, and Duncan's test for these experiments. The obiron and 20% ginger extract were Superior in their effectiveness in, killing 77.33% and 85.5% respectively. These results support a number of the views of integrated pest management (IPM) and indicating the importance of a variety of chemical and plant procedures to control whiteflies well for prolonged periods. Using this combination can mitigate chemical resistance, save the planet, and contribute to more sustainable agriculture at a macro level globally. Importantly, using this smart combination of Oberon with 20% ginger extract can effectively mitigate development of chemical resistance in whitefly populations, help save the planet from excessive pesticide pollution, and contribute meaningfully to more sustainable agriculture practices at a macro level globally across all regions.