Green synthesis and characterization of TiO2 nanoparticles from latex of Calatropis procera against dusky cotton bug
文献类型： 外文期刊
作者： Fatima, Maham 3 ; Anjum, Tehmina 1 ; Manzoor, Mujahid 2 ; Aftab, Muzammil 4 ; Aftab, Zill-e-Huma 1 ; Akram, Waheed 1 ; Bokhari, Najat A. 5 ; Rizwana, Humaira 5 ; Nabi, Ghulam 1 ; Li, Guihua 6 ;
作者机构： 1.Univ Punjab, Fac Agr Sci, Dept Plant Pathol, Lahore, Pakistan
2.Univ Punjab, Fac Agr Sci, Dept Entomol, Lahore, Pakistan
3.Univ Punjab, Inst Zool, Lahore, Pakistan
4.Govt Shah Hussain Coll, Dept Phys, Lahore, Pakistan
5.King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11495, Saudi Arabia
6.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangzhou 510640, Peoples R China
关键词：
Nanotechnology; Cotton; Green synthesis;
期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.9； 五年影响因子：4.3 ）
ISSN： 2045-2322
年卷期： 2025 年 15 卷 1 期
页码：
收录情况： SCI
摘要： The dusky cotton bug is a small insect that poses a significant threat to cotton crops. Due to increasing reports on the development of resistance in this insect against insecticides, efforts to control this pest must involve other environment-friendly strategies. The use of nanoparticles (NPs) has generated an alternative pest control. The objective of this study was to evaluate the insecticidal effect of green synthesized titanium dioxide nanoparticles (TiO2) NPs using latex of Calatropis procera against dusky cotton bug 2nd and 4th instar nymph and adult stage. The optical properties of the synthesized nanoparticles were confirmed through UV-Vis spectroscopy whereas, surface morphology was checked through Scanning Electron Microscopy. A detailed XRD analysis of the synthesized particles confirmed that the particles belong to the anatase phase, of the tetragonal crystal system. When checked for their insecticidal potential against dusky cotton bugs (2nd and 4th instar nymph and adult stage) through the leaf dip method, the nanoparticles-controlled insect population was up to 95% with highest in 2nd instar nymphs and lowest in adults. However, the insecticidal activity was found directly proportional to the concentration of nanoparticles used.
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