Abstract:India is amongst the top countries consuming, producing and exporting chillies. Chilli (Capsicum annuum), known as chilli peppers, belongs to the family Solanaceae. Heavy losses have been observed in the yield due to diseases caused by bacterial, fungal and viral pathogens. Over utilization of synthetic agents to control these diseases causing pathogens have raised serious biological and ecological issues. Along these lines, late endeavours have been centred on utilizing natural ways for controlling plant path… Show more
“…However, the concerning aspect lies in the potential hazards posed by chemical pesticides to farmers and the contamination they may inflict upon harvested chili crops ( Khatun et al, 2023 ). In response to these challenges, extensive research has been directed towards the utilisation of biocontrol agents, particularly microbes, to overcome the limitations associated with chemical pesticides ( Chin et al, 2022 , Pawaskar and Kerkar, 2021 , Yadav et al, 2021 ). Moreover, the available data on the study of microbial control agents in Chilies is also limited.…”
“…However, the concerning aspect lies in the potential hazards posed by chemical pesticides to farmers and the contamination they may inflict upon harvested chili crops ( Khatun et al, 2023 ). In response to these challenges, extensive research has been directed towards the utilisation of biocontrol agents, particularly microbes, to overcome the limitations associated with chemical pesticides ( Chin et al, 2022 , Pawaskar and Kerkar, 2021 , Yadav et al, 2021 ). Moreover, the available data on the study of microbial control agents in Chilies is also limited.…”
“…Capsicum annum L. is an important spice crop and belongs to the family Solanaceae (Pawaskar and Kerkar, 2021). It has many culinary advantages as it comprises numerous chemicals including steam-volatile oils, fatty oils, capsaicinoids, carotenoids, vitamins, protein, fiber and mineral elements (Olatunji and Afolayan, 2018).…”
Bacterial leaf spot caused by Xanthomonas campestris pv. vesicatoria (Xcv) is one of the most devastating diseases, causing serious losses in chilli crop yield. The extensive usage of chemicals has increased the toxicity of the environment. Nanotechnology products are indeed being developed as a promising approach for plant disease control with minimal impact on the environment. In the present research, the antibacterial activity of green synthesized nanoparticles (Silver and Zinc nanoparticles) was investigated against Xcv. Different concentrations (0.25, 0.6 and 0.75%) of the green synthesized nanoparticles (AgNPs and ZnNPs) along with their combination were evaluated under lab conditions against Xcv under Complete Randomized Design (CRD). Results showed that the combination of both nanoparticles (AgNPs+ZnNPs) gave the best results and expressed maximum inhibition zone (25.207 mm), followed by solo applications of AgNPs and ZnNPs (18.458 and 12.253 mm). Whereas, the interaction of treatment and concentration combination (AgNPs+ZnNPs) expressed a maximum inhibition zone (28.459 mm) at 0.75% concentration as compared to other treatments. The concentration (0.75%) at which bacteria showed the maximum inhibition zone was used to control the bacterial leaf spot of chilli under field conditions. The experiment was conducted under a Completely Randomized Block Design (RCBD) where AgNPs+ZnNPs expressed the best results with minimum disease incidence (21.92%) followed by solo treatments of AgNPs and ZnNPs (26.999 and 35.320%)
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