Results 1 to 10 of about 30,589 (307)
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 +3 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 +2 more sources
In this study a series of diacylhydrazine and acylhydrazone derivatives were designed and synthesized according to the method of active group combination and the principles of aromatic group bioisosterism.
Jialong Sun, Yuanming Zhou
doaj +3 more sources
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
Insecticidal activity against rice pest of oxazosulfyl, a novel sulfyl insecticide. [PDF]
The development and commercialization of new chemical classes of insecticides are important for efficient crop protection, particularly for combatting insecticide resistance and providing sustainable agricultural production. This study reports on oxazosulfyl, a novel "sulfyl" class of insecticide, against a wide range of insect pests of rice.
Kamezaki M, Otsuki J, Natsuhara K.
europepmc +3 more sources
Insecticidal Activity of Lavandula angustifolia
Oilseeds, pulses, and cereals that are kept are seriously harmed by insects. These pests are found all over the globe and result in significant financial losses.
Miroslava Kačániová +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

