Nano-Micro Core–Shell Fibers for Efficient Pest Trapping

Shangguan, Wenjie; Xu, Hongliang; Ding, Wanlong; Chen, Huiping; Mei, Xiangdong; Zhao, Pengyue; Cao, Chong; Huang, Qiliang; Cao, Lidong

doi:10.1021/acs.nanolett.3c03817

Cited by 7 publications

(1 citation statement)

References 55 publications

(99 reference statements)

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“…The common cutworm, Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae), is widely distributed throughout the tropical and subtropical areas of Asia and Oceania [1,2]. Larvae of S. litura are polyphagous and feed on more than 250 host plants, for example, pepper, eggplant, soybean, corn, cotton, and tobacco.…”

Section: Introductionmentioning

confidence: 99%

Migration Activity of Spodoptera litura (Lepidoptera: Noctuidae) between China and the South-Southeast Asian Region

Song,

Cang,

et al. 2024

Insects

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The common cutworm, Spodoptera litura (F.), feeds on a wide variety of food and cash crops and is one of the most widespread and destructive agricultural pests worldwide. Migration is the biological basis of its regional population outbreaks but the seasonal movement of this pest between east and south Asia regions remains unknown. In this study, searchlight traps were used to monitor the seasonal migration of S. litura from 2019 to 2023 in Ruili City (Yunnan, China), located along the insect migratory route between China and the south Asia region. The results showed that migratory activity could occur throughout the year, with the main periods found in spring (April–May) and autumn (October–December). The ovarian development and mating status of the trapped females indicated that most individuals were in the middle or late stages of migration and that Ruili City was located in the transit area of the long-distance migration of the pest. In the migration trajectory simulation, populations of S. litura moved from northeast India, Bangladesh, and northern Myanmar to southwestern China along the southern margin of the Himalayas in spring and returned to the south Asia region in autumn. Our findings clarify the seasonal migration patterns of S. litura in China and South Asia and facilitate the development of regional cross-border monitoring and management systems for this pest.

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Section: Introductionmentioning

confidence: 99%

Migration Activity of Spodoptera litura (Lepidoptera: Noctuidae) between China and the South-Southeast Asian Region

Song,

Cang,

et al. 2024

Insects

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Copper‐Driven Formation of Prothioconazole Nanocomplex: An Innovative Strategy to Prepare Nanopesticide with Improved Bioactivity and Reduced Environmental Impacts

Xu,

Cao,

Chen

et al. 2024

Small

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Developing cost‐effective, energy‐saving, and eco‐friendly methods to construct nanopesticides fulfill the requirement of modern agriculture. Benefiting from the versatility of metal‐based complexes, a facile copper‐driven method is discovered for the formation of a fungicide prothioconazole nanocomplex (Cu‐Pro) with the particle size of ≈300 ± 85 nm. Interestingly, adding 0.5–1% of anionic surfactants could generate nanocomplexes within 60 ± 12 nm and form stable dispersed nanosuspensions. Both nanocomplexes exhibit remarkable control efficacy against six plant pathogenic fungi, and the EC50 values are 1.4–4.8 times lower than that of prothioconazole technical concentrate (Pro TC). In addition, the novel nanocomplexes demonstrate better resistance against UV irradiation and the half‐lives are 3.27‐ and 1.56‐times longer than that of Pro TC, respectively. The acute toxicity of prothioconazole nanocomplexes against non‐target organism zebrafish is decreased. Due to the small size and chelation with metals, the uptake and accumulation of prothioconazole in wheat plant is promoted, and the metabolites prothioconazole‐desthio is significantly decreased by 42–48% than that of Pro TC. This metal coordination‐based strategy seeks to open a new avenue for the high‐throughput preparation of nanopesticides, providing an innovative toolbox for reducing the input of agrochemicals in sustainable plant protection.

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