Physiological Effects of Captan Fungicide on Pepper (Capsicum annuum L.) Plant

Tort, Nedret; Türkyilmaz, Bahar

doi:10.3923/pjbs.2003.2026.2029

Cited by 19 publications

(8 citation statements)

References 1 publication

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“…In addition, fdx phytotoxicity varies according to its applied concentration on grapevine leaves, as observed with other fungicides. For example, the effect of captan on pepper and carbendazim on tobacco revealed that pigment reduction was more pronounced at higher concentrations (33,34). In our experiment, the mechanism underlying photosynthesis inhibition also varies according to fdx concentration.…”

Section: Discussionmentioning

confidence: 53%

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Photosynthesis Limitations of Grapevine after Treatment with the Fungicide Fludioxonil

Petit

Fontaine

Clément

et al. 2008

J. Agric. Food Chem.

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The aim of this work was to determine the major limitations to photosynthesis induced by the fungicide fludioxonil (fdx) on nontarget grapevines using cutting as a model. The fdx treatments (1.2, 6, and 30 mM) induced a net photosynthetic rate ( P n) decrease without changes in stomatal conductance, suggesting a nonstomatal limitation. Fdx effects on P n were related neither to photosynthetic capacity alteration in leaves nor to loss in PSII activity. The mechanism underlying photosynthesis reduction differed according to the concentration. Fdx at 6 mM led to an increase of light requirement for photosynthesis while 30 mM fdx induced an increase in the respiration rate in the light. P n decrease after 1.2 mM fdx could rather be related to wetness caused by the spraying than to fungicide toxicity. P n recovered 10 days after treatment, meaning that fdx had little deleterious effect on plant physiology or that grapevine has a great capacity to overcome this temporary stress.

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Section: Discussionmentioning

confidence: 53%

“…Decrease in rubisco amount could thus explain the P n decrease after 1.2 mM fdx. Our results also indicate that water spraying often used as control in studies of pesticide toxicity (10,34,37) is not well adapted because of photosynthesis modification caused by water.…”

Section: Discussionmentioning

confidence: 68%

Photosynthesis Limitations of Grapevine after Treatment with the Fungicide Fludioxonil

Petit

Fontaine

Clément

et al. 2008

J. Agric. Food Chem.

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“…Therefore, use of biostimulants to mitigate fungicide causing phytotoxic effects may be an interesting strategy. Previously, various reports evaluating the effects of different biostimulants on plant growth and stress tolerance including heat, water, cold, and drought have been documented [29][30][31][32] using either a different technology and biostimulant type or a different plant variety [32][33][34][35]. However, studies evaluating the effect of amino acidbased biostimulants on plant physiological processes (i.e., metabolic, photosynthetic, and nutritional efficiency) and against fungicide tolerance are scarce.…”

Section: Introductionmentioning

confidence: 99%

Analysis of RAZORMIN® as a Biostimulant and Its Effect on the Phytotoxicity Mitigation Caused by Fungicide Azoxystrobin in Pepper

et al. 2022

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Use of biostimulants for stimulating plant growth and mitigating the negative impacts of biotic and abiotic stresses is a promising strategy to achieve higher crop yields. Fungicides such as azoxystrobin are used to control several pests and fungal diseases in plants but at the cost of altering various physiological processes; thereby, leading to reduced crop yields. The efficiency of the compound RAZORMIN® as a biostimulant product while taking into account its role in plant growth stimulation and fungicide azoxystrobin stress mitigation was evaluated in this study. The efficacy of RAZORMIN® was assessed considering its impact on the stimulation of growth-related physiological processes and stress mitigation mechanism, e.g., reactive oxygen species (ROS) detoxification. Application of RAZORMIN® significantly increased plant growth by improving fresh weight, photosynthetic efficiency, net photosynthesis rate, gas exchange, nitrogen (N) metabolism (with increases in soluble amino acids, foliar N concentration, and N use efficiency), growth hormone concentrations (mainly gibberellins and cytokinins), nutritional status of plants (producing a greater accumulation of phosphorus, potassium, calcium, magnesium, sulfur, zinc, molybdenum, iron, and boron), and sugars concentration. Furthermore, the application of RAZORMIN® on plants under fungicide azoxystrobin stress demonstrated its anti-stress and protective role by stimulating the antioxidant defense system and improving photosynthetic efficiency.

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“…During the photosynthetic pathway, uracil-type herbicides prevent the hill reaction and photosystem II. Reduction of total chlorophyll as well as chlorophyll a, b, and carotenoid content is increased with the increasing application of fungicide doses to plant leaves ( Tort and Turkyilmaz, 2003 ). Sharma et al (2018a) stated that employment of herbicide causes noxious effects on plants like necrosis, stunting, burns, chlorosis and twisting of leaves.…”

Section: Effect Of Pesticides On Plant Physiologymentioning

confidence: 99%

Current status of pesticide effects on environment, human health and it’s eco-friendly management as bioremediation: A comprehensive review

et al. 2022

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Pesticides are either natural or chemically synthesized compounds that are used to control a variety of pests. These chemical compounds are used in a variety of sectors like food, forestry, agriculture and aquaculture. Pesticides shows their toxicity into the living systems. The World Health Organization (WHO) categorizes them based on their detrimental effects, emphasizing the relevance of public health. The usage can be minimized to a least level by using them sparingly with a complete grasp of their categorization, which is beneficial to both human health and the environment. In this review, we have discussed pesticides with respect to their global scenarios, such as worldwide distribution and environmental impacts. Major literature focused on potential uses of pesticides, classification according to their properties and toxicity and their adverse effect on natural system (soil and aquatic), water, plants (growth, metabolism, genotypic and phenotypic changes and impact on plants defense system), human health (genetic alteration, cancer, allergies, and asthma), and preserve food products. We have also described eco-friendly management strategies for pesticides as a green solution, including bacterial degradation, myco-remediation, phytoremediation, and microalgae-based bioremediation. The microbes, using catabolic enzymes for degradation of pesticides and clean-up from the environment. This review shows the importance of finding potent microbes, novel genes, and biotechnological applications for pesticide waste management to create a sustainable environment.

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Physiological Effects of Captan Fungicide on Pepper (Capsicum annuum L.) Plant

Cited by 19 publications

References 1 publication

Photosynthesis Limitations of Grapevine after Treatment with the Fungicide Fludioxonil

Photosynthesis Limitations of Grapevine after Treatment with the Fungicide Fludioxonil

Analysis of RAZORMIN® as a Biostimulant and Its Effect on the Phytotoxicity Mitigation Caused by Fungicide Azoxystrobin in Pepper

Current status of pesticide effects on environment, human health and it’s eco-friendly management as bioremediation: A comprehensive review

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