Results 1 to 10 of about 23,467 (167)
Chlorfenapyr Crystal Polymorphism and Insecticidal Activity. [PDF]
Four crystalline polymorphs of the proinsecticide chlorfenapyr [4-bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethyl-1H-pyrrole-3-carbonitrile] have been identified and characterized by polarized light optical microscopy, differential scanning calorimetry, Raman spectroscopy, X-ray diffraction, and electron diffraction.
Aronin R +9 more
europepmc +4 more sources
Chemical Synthesis and Insecticidal Activity Research Based on α-Conotoxins [PDF]
The escalating resistance of agricultural pests to chemical insecticides necessitates the development of novel, efficient, and safe biological insecticides.
Chengzhang Lin +4 more
doaj +2 more sources
Insecticidal activity of the crude extract from Epichloë bromicola against Rhopalosiphum padi [PDF]
Rhopalosiphum padi is a important pest in agricultural production. In order to reduce the use of chemical pesticides and improve the control effect, we reported the insecticidal activity of the crude extract from 20 strains Epichloë bromicola isolated ...
Guo Zhao-Ling +3 more
doaj +1 more source
Design and Synthesis of Scopoletin Sulfonate Derivatives as Potential Insecticidal Agents
(1) Background: Scopoletin and scoparone, two naturally occurring coumarins, have garnered considerable attention and have been introduced to the market in China due to their high insecticidal efficacy and low toxicity.
Congmin Liu +5 more
doaj +1 more source
Essential oils have insecticidal activity against several insects and are composed of numerous compounds. This study investigated the insecticidal effects of the Thuja occidentalis L.
Hyun-Jin Song +6 more
doaj +1 more source
Effects of Site-Directed Mutagenesis of Cysteine on the Structure of Sip Proteins
Bacillus thuringiensis, a gram-positive bacteria, has three insecticidal proteins: Vip (vegetative insecticidal protein), Cry (crystal), and Sip (secreted insecticidal protein).
Lin Wang +6 more
doaj +1 more source
Stability is essential for insecticidal activity of Vip3Aa toxin against Spodoptera exigua
Vegetative insecticidal proteins 3A (Vip3A) were important insecticidal proteins for control of lepidopteran pests. Previous study demonstrated that Vip3Aa and Vip3Ad showed significant difference in insecticidal activities against Spodoptera exigua ...
Bai-Wen Fu +5 more
doaj +1 more source
Fraxinellone (1) is a naturally occurring degraded limonoid isolated from Meliaceae and Rutaceae plants. As a potential natural-product-based insecticidal agent, fraxinellone has been structurally modified to improve its activity.
Xiao-Jun Yang +3 more
doaj +1 more source
The present study was conducted to evaluate the stem bark and leaf of Sterculia diversifolia for larvicidal, leishmanicidal, insecticidal and anthelmintic activities.
Fazle Rabbi, Amir Zada, Amna Nisar
doaj +1 more source
The fungal strain BS5 was isolated from a soil sample collected in the Tibetan Plateau, which displayed good insecticidal activity and was identified as Talaromyces purpureogenus based on morphological and molecular analysis. This study aimed to evaluate
Ying Yue +7 more
doaj +1 more source

