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Journal articles on the topic 'Systemic fungicides'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 June 2025

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1

O'Brien, RG, LL Vawdrey, and RJ Glass. "Fungicide resistance in cucurbit powdery mildew (Sphaerotheca fuliginea) and its effect on field control." Australian Journal of Experimental Agriculture 28, no. 3 (1988): 417. http://dx.doi.org/10.1071/ea9880417.

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Decreased fungicidal control of powdery mildew (Sphaerotheca fuliginea (Schlecht: Fr.) Poll.) in commercial cucurbit crops led to an investigation to determine whether fungicide resistant strains were present. In field trials, fungicides such as bupirimate (100 mg a.i. L-I), dimethirimol (250 mg a.i. L-1), fenarimol (36 mg a.i. L-1), penconazole (40 mg a.i. L-l) and triadimefon (125 mg a.i. L-1) were less effective (P=0.01) in controlling the disease than oxythioquinox (100 mg a.i. L-1). This disagreed with earlier trial results and suggested that fungicide resistant strains may have developed

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2

N. Srinivasan and M. Gunasekaran. "FIELD CONTROL OF LEAF ROT DISEASE OF COCONUT WITH FUNGICIDES." CORD 12, no. 02 (1996): 34. http://dx.doi.org/10.37833/cord.v12i02.303.

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Leaf rot is a disease of fungal complex super imposed on root (wilt) affected coconut palms in India. A field fungicidal control trial on the disease involving contact (indofil M‑45, Fytolan) and systemic (Calixin) fungicides was conducted Fungicidal treatments, spraying of Indofil M‑45 and pouring of Calixin into axil of spindle, were found beneficial as the disease intensity reduced in newly emerged leaves. However, the extent of disease amelioration by fungicides was marginal to moderate level only. Importance of broad spectrum fungicide(s) and measures of disease protection are outlined.

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3

Prokop, M., and K. Veverka. "Influence of droplet spectra on the efficiency of contact fungicides and mixtures of contact and systemic fungicides." Plant Protection Science 42, No. 1 (2010): 26–33. http://dx.doi.org/10.17221/2693-pps.

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The effects of droplet spectra, spray volume, and the addition of an adjuvant to the spray solution against <i>Phytophthora infestans</i> were evaluated using contact fungicides, mixtures of contact and systemic fungicides, and a contact fungicide + an adjuvant. Six droplet spectra, ranging from VMD = 183 µm to VMD = 939 µm, were used. The spray volumes were 300, 450 and 600 l/ha for the contact fungicides, and 300 l/ha was used for the mix of contact with systemic fungicides. No significant differences in efficiency were observed between different droplet spectra when used for the

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Hagan, A. K., and J. R. Akridge. "Synthetic and Biorational Fungicides Compared for the Control of Three Foliar Diseases of Flowering Dogwood." Journal of Environmental Horticulture 25, no. 3 (2007): 157–65. http://dx.doi.org/10.24266/0738-2898-25.3.157.

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Abstract The biorational fungicides Neem Concentrate, SunSpray Ultra Fine Oil®, Rhapsody® were compared with the synthetic fungicides Eagle® 40W, Immunox®, Liquid Systemic Fungicide®, and 3336™ 50W for the control of spot anthracnose, Cercospora leaf spot, and powdery mildew on ‘Rubra’ flowering dogwood. In 2003, 2004, and 2005, fungicide treatments were applied at label rates at 1- and/or 2-week intervals over a period that coincided with the onset spot anthracnose and powdery mildew but before the appearance of Cercospora leaf spot. With few exceptions, the synthetic fungicides gave better c

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5

Peever, Tobin L., and Michael G. Milgroom. "Fungicide Resistance—Lessons for Herbicide Resistance Management?" Weed Technology 9, no. 4 (1995): 840–49. http://dx.doi.org/10.1017/s0890037x00024313.

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Resistance to agricultural fungicides has increaséd dramatically in the past twenty years, following the introduction of systemic fungicides. Disease control failures associated with fungicide resistance have occurred with many classes of fungicides and in many genera of plant-pathogenic fungi. In some cases, resistance evolved extremely rapidly making the chemicals ineffective for disease control only a few years after they were introduced.The rapid development of resistance to systemic fungicides has led to efforts to develop strategies to avoid or delay the evolution of fungicide resistance

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6

Sataraddi, Arun R., and Jitendra Kumar S. Hilli. "Management of powdery mildew of cluster bean through fungi toxicants." INTERNATIONAL JOURNAL OF PLANT PROTECTION 13, no. 2 (2020): 207–10. http://dx.doi.org/10.15740/has/ijpp/13.2/207-210.

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Leveillula taurica causes severe powdery mildew on all aerial parts of cluster bean plant. The objective of the present work was to identify potential methods for managing cluster bean powdery mildew through fungicides. Field trials were conducted during Kharif 2019 and 2020 to evaluate the efficacy fungicides. Nine systemic fungicides were tested both under in-vitro and in-vivo conditions against cluster bean powdery mildew disease. In vitro evaluation of fungicides revealed that complete inhibition of conidial germination was observed in all systemic fungicides at 0.1 per cent concentration.

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Rashid, M. H., M. Ashraf Hossain, M. A. Kashem, Shiv Kumar, M. Y. Rafii, and M. A. Latif. "Efficacy of Combined Formulations of Fungicides with Different Modes of Action in Controlling Botrytis Gray Mold Disease in Chickpea." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/639246.

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Botrytis gray mold (BGM) caused byBotrytis cinereaPers. Ex. Fr. is an extremely devastating disease of chickpea (Cicer arietinumL.) and has a regional as well as an international perspective. Unfortunately, nonchemical methods for its control are weak and ineffective. In order to identify an effective control measure, six fungicides with different modes of action were evaluated on a BGM susceptible chickpea variety BARIchhola-1 at a high BGM incidence location (Madaripur) in Bangladesh for three years (2008, 2009, and 2010). Among the six fungicides tested, one was protectant [Vondozeb 42SC, a

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8

Gur, Lior, Keren Levy, Amotz Farber, Omer Frenkel, and Moshe Reuveni. "Delayed Development of Resistance to QoI Fungicide in Venturia inaequalis in Israeli Apple Orchards and Improved Apple Scab Management Using Fungicide Mixtures." Agronomy 11, no. 2 (2021): 396. http://dx.doi.org/10.3390/agronomy11020396.

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Quinone outside inhibitors (QoI) fungicides group were introduced for commercial use against apple scab (Venturia inaequalis) in Israel in 1997. Unlike other regions in the world, in which resistance of V. inaequalis to QoI fungicides was observed within 3–5 years of use, in Israel it only occurred after 14 years of use. Field trials conducted between 2007 and 2017 showed a significant reduction in susceptibility to QoIs in northern Israel only since 2011. The delay in the development of resistance is related to limited fungicidal sprays resulting from unfavorable conditions for the pathogen.

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Ribeiro, Francisco De Carvalho, Eduardo Andrea Lemus Erasmo, Francileia De Sousa Rocha, Eduardo Bezerra De Moraes, and Edilson Pereira De Matos. "Associação de fungicida protetor com fungicidas sistêmicos no controle de mancha-alvo na cultura da soja." Revista Verde de Agroecologia e Desenvolvimento Sustentável 11, no. 5 (2016): 51. http://dx.doi.org/10.18378/rvads.v11i5.4273.

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<p>A mancha-alvo, cujo agente causal é o fungo <em>Corynespora cassiicola</em> vem ganhando importância entre as doenças na cultura da soja, principalmente na região de cerrado, em função de sua elevada severidade e potencial degenerativo à planta. O controle químico de doenças das plantas é uma medida que na maioria dos casos é eficiente e economicamente viável para garantir grandes produções e qualidade de produção. Objetivou-se nesse trabalho avaliar a eficiência da mistura de fungicida protetor aplicado em combinações com fungicidas sistêmicos visando o controle de mancha

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10

Rancāne, Regīna, Alma Valiuškaitė, Viktorija Zagorska, Vitālijs Komašilovs, and Neringa Rasiukevičiūtė. "The Overall Environmental Load and Resistance Risk Caused by Long-Term Fungicide Use to Control Venturia inaequalis in Apple Orchards in Latvia." Plants 12, no. 3 (2023): 450. http://dx.doi.org/10.3390/plants12030450.

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Apple orchards are perennially planted where pesticides are applied to control numerous pests and diseases. The extensive long-term use of fungicides can lead to overall environmental load and resistance risk. This study aims to assess which fungicide-active substances have been used more intensively in the last decade in Latvia, evaluating the overall environmental load using the Pesticide Load Indicator (PLI). It was essential to see whether the amount of active substance usage rises, how it correlates with the total changes of the PLI and which substances are with the highest scores. The ot

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11

Augusto, J., and T. B. Brenneman. "Implications of fungicide application timing and post-spray irrigation on disease control and peanut yield." Peanut Science 38, no. 1 (2011): 48–56. http://dx.doi.org/10.3146/ps10-11.1.

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Abstract Applying fungicides at night when the leaves are folded and using irrigation water after application have both been shown to increase deposition of fungicides in the lower plant canopy, improve control of stem rot (caused by Sclerotium rolfsii), and increase peanut (Arachis hypogaea) yield. To evaluate the interactive effects of these two practices, four applications of a protectant fungicide, chlorothalonil (1.26 kg a.i./ha), or a systemic, prothioconazole + tebuconazole (0.23 kg a.i./ha), tebuconazole (0.21 kg a.i./ha), flutolanil + propiconazole (0.45 kg a.i./ha), pyraclostrobin (0

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12

LaMondia, J. A. "Management of Calonectria pseudonaviculata in Boxwood with Fungicides and Less Susceptible Host Species and Varieties." Plant Disease 99, no. 3 (2015): 363–69. http://dx.doi.org/10.1094/pdis-02-14-0217-re.

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Calonectria pseudonaviculata causes leaf and stem lesions resulting in defoliation and dieback of boxwood. Trials were conducted to evaluate fungicide management of boxwood blight under greenhouse and container nursery conditions in Connecticut using fungicides previously determined to have in vitro activity against conidial germination or mycelial growth. Plants of different boxwood cultivars were inoculated 48 h after fungicide application. Disease progression was monitored over 6 weeks and progressed from leaf and stem lesions to defoliation. The level of disease control achieved by fungici

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13

Altaf, Suhail, Shaheen Kousar Jan, Shafat Ahmad Ahanger, et al. "Management of Green Mold Disease in White Button Mushroom (Agaricus bisporus) and Its Yield Improvement." Journal of Fungi 8, no. 6 (2022): 554. http://dx.doi.org/10.3390/jof8060554.

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Mycoparasites cause serious losses in profitable mushroom farms worldwide. The negative impact of green mold (Trichoderma harzianum) reduces cropping surface and damages basidiomes, limiting production and harvest quality. The goal of the current study was to evaluate new generation fungicides, to devise suitable management strategies against the green mold disease under prevailing agro-climatic conditions. Six non-systemic and five systemic fungitoxicants were evaluated for their efficacy against pathogen, T. harzianum, and host, Agaricus bisporus, under in vitro conditions. Among non-systemi

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14

Gikas, Georgios D., Paraskevas Parlakidis, Theodoros Mavropoulos, and Zisis Vryzas. "Particularities of Fungicides and Factors Affecting Their Fate and Removal Efficacy: A Review." Sustainability 14, no. 7 (2022): 4056. http://dx.doi.org/10.3390/su14074056.

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Systemic fungicide use has increased over the last decades, despite the susceptibility of resistance development and the side effects to human health and the environment. Although herbicides and insecticides are detected more frequently in environmental samples, there are many fungicides that have the ability to enter water bodies due to their physicochemical properties and their increasing use. Key factors affecting fungicide fate in the environment have been discussed, including the non-target effects of fungicides. For instance, fungicides are associated with the steep decline in bumblebee

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15

Ojiambo, P. S., P. A. Paul, and G. J. Holmes. "A Quantitative Review of Fungicide Efficacy for Managing Downy Mildew in Cucurbits." Phytopathology® 100, no. 10 (2010): 1066–76. http://dx.doi.org/10.1094/phyto-12-09-0348.

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A meta-analysis of the effect of fungicides on cucurbit downy mildew was conducted using data previously published in Fungicide & Nematicide Tests and Plant Disease Management Reports from 2000 to 2008. Standardized mean effect size (the difference in disease intensity expressed in standard deviation units between the fungicide treatment and its corresponding untreated control) was calculated for each of the 105 field studies evaluating the effects of fungicides on cucurbit downy mildew. Fixed- and random-effects meta-analyses were performed on the log-transformed standardized mean effect

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Sedegui, M., R. B. Carroll, A. L. Morehart, R. A. Hamlen, and R. J. Power. "Comparison of Assays for Measuring Sensitivity of Phytophthora infestans Isolates to Fungicides." Plant Disease 83, no. 12 (1999): 1167–69. http://dx.doi.org/10.1094/pdis.1999.83.12.1167.

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Pathogenic strains of Phytophthora infestans insensitive to phenylamide have been reported from around the world and are responsible for a lack of late blight control in both potatoes and tomatoes. In vivo laboratory assay methods used to determine the sensitivity of P. infestans to fungicides include floating of leaflet disks on fungicide suspension and the use of potato tuber disks. In our study, these two methods were compared with a new detached-leaf assay. The fungicides chlorothalonil (protective), oxadixyl and metalaxyl (systemic), and cymoxanil (locally systemic) were utilized. Phenyla

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17

Gurusinga, Rika Estria, Lilik Retnowati, Suryo Wiyono, and Efi Toding Tondok. "Dampak Penggunaan Fungisida Sintetik pada Kelimpahan Cendawan Endofit Tanaman Padi." Jurnal Ilmu Pertanian Indonesia 25, no. 3 (2020): 432–39. http://dx.doi.org/10.18343/jipi.25.3.432.

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Application of fungicides to control rice diseases potentially have adverse effect on non target organisms including endophytic fungi. Unfortunately, information of fungicide effect on endophytic fungi on rice is still limited. The purpose of this research was to study the diversity and abundance of endophytic fungi on rice plant because of application of synthetic fungicides. There were two treatments in this study: non systemic fungicide (mankozeb) and systemic fungicide (difenoconazole) which were compared to control (without fungicide). Isolation of endophytic fungi and application of fung

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18

LaMondia, J. A. "Fungicide Efficacy Against Calonectria pseudonaviculata, Causal Agent of Boxwood Blight." Plant Disease 98, no. 1 (2014): 99–102. http://dx.doi.org/10.1094/pdis-04-13-0373-re.

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Calonectria pseudonaviculata causes leaf spot and stem lesions resulting in defoliation and dieback of boxwood. Fungicides representing 20 different active ingredients from 13 different Fungicide Resistance Action Committee groups were evaluated for their effects on conidial germination and mycelial growth using in vitro assays, and the concentration that suppressed fungal growth to 15% of that on unamended media (EC85) values were determined. A number of fungicides strongly inhibited mycelial growth of C. pseudonaviculata. Four demethylation inhibitor fungicides had EC85 values of 1.2 μg a.i.

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Uddin, Mueen, Juma Khan Tareen, Faheem Ahmed, et al. "Powdery Mildew A Disease of Grapes And The Fungicides Mode of Action: A Review." BioSight 3, no. 2 (2022): 38–52. http://dx.doi.org/10.46568/bios.v3i2.78.

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Powdery mildew caused by Uncinula necator (Schw.) Burr. is one of the widespread fungal diseases of grapes that have caused economic losses through poor fruit set and low yield substantially. To decrease the inoculum potential, a disease management program must be undertaken early in the season which is imperative to reduce late-season disease problems. Because, without early control of the infection of powdery mildew, often lead to severe problem in the late season. Elemental sulfur was the foremost antifungal utilized for the control of powdery mildew which is still in use as an effective an

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20

Kalinina, Tatiana A., Valeriya I. Balandina, Konstantin L. Obydennov, et al. "Synthesis, Fungicidal Activity and Plant Protective Properties of 1,2,3-Thiadiazole and Isothiazole-Based N-acyl-N-arylalaninates." Molecules 28, no. 1 (2023): 419. http://dx.doi.org/10.3390/molecules28010419.

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The addition of active groups of known fungicides, or systemic acquired resistance inducers, into novel compound molecules to search for potential antifungal compounds is a popular and effective strategy. In this work, a new series of N-acyl-N-arylalanines was developed and synthesized, in which 1,2,3-thiadiazol-5-ylcarbonyl or 3,4-dichloroisothiazol-5-ylcarbonyl (fragments from synthetic plant resistance activators tiadinil and isotianil, respectively) and a fragment of N-arylalanine, the toxophoric group of acylalanine fungicides. Several new synthesized compounds have shown moderate antifun

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Cangi, Rüstem, Yusuf Yanar, and Yağmur Dülgeroğlu Yılmaz. "Effects of Brining and Picking Time on The Degradation of Pesticide Residue in Grapevine Leaves." Turkish Journal of Agriculture - Food Science and Technology 7, no. 11 (2019): 1773. http://dx.doi.org/10.24925/turjaf.v7i11.1773-1779.2505.

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Intensive pesticide use in vineyard resulted in residue problem on vine leaves that are used as food. This study was aimed at development of a proper chemical control program to reduce the pesticide residue problem on vine (cv. Narince) leaves in vineyards during the growing period. The residues of some fungicides were determined according to spraying time in the fresh (unprocessed) and preserved (brined) leaves. Additionally, the effects of preservation process on degradation of the fungucides residues were investigated. In this study three fungicides (Azoxystrobin, Triadimenol, Hexaconazole)

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22

Khyzhnyak, S. V., A. O. Velinskaya, E. V. Byschuk, and V. M. Voitsitskiy. "Elemental composition of liver and kidney tissues of rats under the influence of fungicides." Animal Biology 24, no. 2 (2022): 9–13. http://dx.doi.org/10.15407/animbiol24.02.009.

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Widespread use of fungicides in various spheres of human life leads to negative consequences for both humans and the environment. The article presents the results of a study of the acute effect of systemic fungicides of the chemical class triazoles on the content of macro- and microelements in kidney and liver rat tissues. The content of chemical elements was determined by inductively coupled plasma atomic emission spectrometry. The established changes in the content of macro- and microelements in the rat liver and kidney indicate tissue specificity of the fungicidal action. Under the influenc

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Kumar, Pardeep, Pardeep Kumar Mishra, Sunil Kumar, Shesh N. Singh, and Devendra P. Singh. "Fungicidal Management of False Smut Disease in Rice Caused by Ustilaginoidea virens." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 6, no. 04 (2020): 312–14. http://dx.doi.org/10.18811/ijpen.v6i04.11.

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False smut of rice caused by the fungus Ustilaginoidea virens has been recorded, in recent years, in the all rice growing areas of State Uttar Pradesh, India. Recommended fungicides are not yet available for chemically controlling the disease. Therefore, uses of unregistered fungicides are common by the farmers, for the management of the disease. The present study, was undertaken to identify effectiveness of fungicides to control false smut of rice. Four systemic fungicides (Propiconazole 25% EC @ 1.0 ml/L, Azoxystrobin 18.2% + Difenconazole 11.4% SC @ 0.5 g + 0.5 ml/L, Azoxystrobin 18.2% @ 1.

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Dev, Devanshu, and T. Narendrappa. "In vitro evaluation of fungicides against Colletotrichum gloeosporioides (Penz.) Penz and Sacc. causing anthracnose of pomegranate (Punica granatum L.)." Journal of Applied and Natural Science 8, no. 4 (2016): 2268–72. http://dx.doi.org/10.31018/jans.v8i4.1123.

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Pomegranate (Punica granatum L.) is a widely grown fruit in many regions of the world. Anthracnose of pomegranate is one of the limiting factor for low productivity and also the low market price. Therefore, the management of anthracnose disease is necessary. In this study new fungicide molecules are evaluated under in vitro condition against the mycelial growth of Colletotrichum gloeosporioides. In vitro screening of fungicides against C. gloeosporioides showed two combination product Hexaconazole + Zineb, Trifloxystrobin + Tebuconazole and a nonsystemic fungicide Captan showed cent percent in

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Salas, Sarah E., Christopher P. Shepherd, Henry K. Ngugi, and Jean-Luc Genet. "Disease Control Attributes of Oxathiapiprolin Fungicides for Management of Cucurbit Downy Mildew." Plant Disease 103, no. 11 (2019): 2812–20. http://dx.doi.org/10.1094/pdis-02-19-0396-re.

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Oxathiapiprolin, a novel oomycete fungicide recently registered by DuPont, was reported to have high intrinsic activity against cucurbit downy mildew (Pseudoperonospora cubensis). The goal of this study was to characterize disease control attributes of oxathiapiprolin-based fungicides critical to effective management of cucurbit downy mildew. In growth chamber and greenhouse studies, oxathiapiprolin-based fungicides were compared with mandipropamid, mefenoxam + mancozeb, fluopicolide + propamocarb, cymoxanil + mancozeb, and ametoctradin + dimethomorph products for pre- and postinfection activi

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Gabriel-Ortega, Julio, Edwin Pereira-Murillo, Fernando Ayón-Villao, Carlos Castro-Piguave, Isaías Delvalle-García, and José A. Castillo. "Development of an ecological strategy for the control of downy mildew (Pseudoperonospora cubensis) in cucumber cultivation (Cucumis sativus L.)." Bionatura 5, no. 2 (2015): 1101–5. http://dx.doi.org/10.21931/rb/2020.05.02.3.

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Downy mildew is a severe disease of cucumber worldwide. The oomycete Pseudoperonospora cubensis cause it and once it is established in a region, the infection spreads rapidly, causing significant loss of yield and fruit quality. The objective of the research was to develop an ecological strategy for the control of downy mildew in cucumber. The treatments were arranged in a completely randomized experimental design with an alternation of chemical and biological fungicides. The treatments were: T1: systemic fungicide (Ridomil Gold, 2.5 g/l) alternating with a contact fungicide (Bravo 2.5 ml/l),

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Augusto, J., T. B. Brenneman, A. K. Culbreath, and P. Sumner. "Night Spraying Peanut Fungicides II. Application Timings and Spray Deposition in the Lower Canopy." Plant Disease 94, no. 6 (2010): 683–89. http://dx.doi.org/10.1094/pdis-94-6-0683.

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Chemical control of soilborne peanut (Arachis hypogaea) diseases requires deposition of fungicide on plant tissues near the soil. Four applications of a protectant fungicide, chlorothalonil (1.26 kg a.i./ha), or a systemic, azoxystrobin (0.21 kg a.i./ha), pyraclostrobin (0.21 kg a.i./ha), or prothioconazole (0.08 kg a.i./ha) plus tebuconazole (0.15 kg a.i./ha), were sprayed either (i) early in the morning (3:00 to 5:00 A.M., with folded and wet leaves), (ii) during daylight (10:00 A.M. to 12:00 P.M., with unfolded and dry leaves), or (iii) in the evening (9:00 to 10:00 P.M., with folded and dr

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Jo, Young-Ki, Seog Won Chang, Michael Boehm, and Geunhwa Jung. "Rapid Development of Fungicide Resistance by Sclerotinia homoeocarpa on Turfgrass." Phytopathology® 98, no. 12 (2008): 1297–304. http://dx.doi.org/10.1094/phyto-98-12-1297.

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Dollar spot, caused by Sclerotinia homoeocarpa, is the most prevalent and economically important turfgrass disease in North America. Increasing levels of fungicide resistance, coupled with tightening environmental scrutiny of existing fungicides, has left fewer options for managing dollar spot. More knowledge about S. homoeocarpa populations is needed to improve dollar spot management strategies, especially with respect to minimizing the development of fungicide resistance. Population diversity of S. homoeocarpa was examined using inter-simple sequence repeat markers and vegetative compatibili

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Mena, Héctor, Francia Fuenmayor, José Tejera, Rafael Jiménez, and Eudis Georges. "Combate del rocío azucarado (Sphacelia sorghi McRae) del sorgo (Sorghum bicolor (L.) Moench) con funguicidas." Agronomía Mesoamericana 12, no. 2 (2006): 205. http://dx.doi.org/10.15517/am.v12i2.17235.

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The experiment was conducted in Centro Nacional de Investigaciones in Maracay, Aragua, Venezuela. The goal of this job was determining the efficacy of some fungicides in controlling sorghum honeydew (Sphacelia sorghi McRae). A completely block randomized with four replications was used. Three systemic triazol fungicides were used and two non triazoles were included. Each dose was subdivided in three applications: 1/4 applied at panicle pre-emergence, 1/2 applied at 50 % flowering time and 1/4 applied at postflowering time, in order to cover the whole flowering period. The variables were: incid

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Sangeeta, N., H. Virupaksha Prabhu, and Gurupad Balol. "In vitro evaluations of fungicides against Sclerotium rolfsii Sacc. Causing collar rot of chickpea." INTERNATIONAL JOURNAL OF PLANT SCIENCES 17, no. 2 (2022): 163–66. http://dx.doi.org/10.15740/has/ijps/17.2/163-166.

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Collar rot of chickpea is caused by Sclerotium rolfsii. In vitro evaluation of fungicides for the management of collar rot was carried using contact, systemic and combi fungicides. Among contact fungicides tested Mancozeb showed cent per cent inhibition at 0.20 %. Among systemic fungicides tested Hexaconazole (0.05 %) and Propiconazole (0.15 %) showed cent per cent inhibition. Among the combi fungicides evaluated Carbendazim 12 % + Mancozeb 63 % (0.15 %) and Hexaconazole 4 % WP + Zineb 68 %, Carboxin 37.5 % + Thiram 37.5 %, Tricyclazole18 % + Mancozeb 62 % WP, Captan70 % + Hexaconazole 5 % WP

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González-Tobón, Juliana, Richard Childers, Carolina Olave, et al. "Is the Phenomenon of Mefenoxam-Acquired Resistance in Phytophthora infestans Universal?" Plant Disease 104, no. 1 (2020): 211–21. http://dx.doi.org/10.1094/pdis-10-18-1906-re.

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Phytophthora infestans is the causal agent of late blight disease of potatoes and tomatoes. This disease causes devastating economic losses each year, and control is mainly achieved by the use of fungicides. Unfortunately, populations of P. infestans resistant to fungicides have been documented. Furthermore, studies have reported that sensitive isolates to the phenylamide fungicide, mefenoxam, become less sensitive in vitro after a single passage through sublethal concentrations of fungicide-amended medium. The first objective of this study was to investigate if isolates of P. infestans are ca

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Marks, GC, and IW Smith. "Metalaxyl and phosphonate as prophylactic and curative agents against stem infection of Leucadendron caused by Phytophthora cinnamomi." Australian Journal of Experimental Agriculture 32, no. 2 (1992): 255. http://dx.doi.org/10.1071/ea9920255.

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Neither metalaxyl (100 mL of a solution of 2.0 g a.i./L, applied as a root drench to 10-L pots) nor phosphonate (foliar spray at 1.0 g a.i./L, applied to runoff) controlled Phytophthora cinnamomi stem infection of Leucadendron laureolum x L. salignum hybrid when applied 10 days after inoculation. Both fungicides were most effective when applied prior to inoculation. Neither fungicide was able to kill P. cinnamomi within established infections. The fungus survived within the vascular tissues of treated plants. Infection was confined to cortical tissue by wound periderm when the rate of tissue i

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Alvarez, L. A., A. Vicent, J. M. Soler, E. De la Roca, J. Bascón, and J. García-Jiménez. "Comparison of Application Methods of Systemic Fungicides to Suppress Branch Cankers in Clementine Trees Caused by Phytophthora citrophthora." Plant Disease 92, no. 9 (2008): 1357–63. http://dx.doi.org/10.1094/pdis-92-9-1357.

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Since 2002, considerable losses of Clementine trees (Citrus clementina) have been observed in Spain due to Phytophthora branch canker of citrus caused by Phytophthora citrophthora. Due to the low efficiency of the available cultural and genetic control measures, application of fungicides is required for economic management of the disease. Fosetyl-Al, metalaxyl, and its enantiomer mefenoxam are the only systemic fungicides registered for control of Phytophthora diseases in Spain. However, their efficacy has not been tested against Phytophthora branch canker. Greenhouse and field experiments wer

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Karadimos, D. A., and G. S. Karaoglanidis. "Comparative Efficacy, Selection of Effective Partners, and Application Time of Strobilurin Fungicides for Control of Cercospora Leaf Spot of Sugar Beet." Plant Disease 90, no. 6 (2006): 820–25. http://dx.doi.org/10.1094/pd-90-0820.

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In this study, we attempt to optimize the use of strobilurin fungicides by testing the efficacy of azoxystrobin, kresoxim-methyl, pyraclostrobin, and trifloxystrobin under field conditions, by testing for the most efficient partners in fungicide mixtures, and by testing control efficacy of strobilurin fungicides applied at several application times to determine the better options for disease management. Results showed that trifloxystrobin was the most efficient strobilurin fungicide, followed by pyraclostrobin. Azoxystrobin provided a modest to poor control efficacy, whereas kresoxim-methyl pr

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Sparks, Darrell. "A Climatic Approach to Pecan Scab Control." HortTechnology 5, no. 3 (1995): 225–30. http://dx.doi.org/10.21273/horttech.5.3.225.

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Pecan (Carya illinoinensis) scab was evaluated following unusually extended rains in 1994. Strengths and weaknesses of a variety of scab management practices were studied in five orchards, Scab control was more effective on trees with adequate sunlight exposure than in dense orchards or with fungicide applied after rain than by preset intervals. Triphenyl tin hydroxide, a nonsystemic fungicide, was most effective when applied within 24 h after rain; but, the systemic fungicide, propiconazole, was effective when applied within 6 days after rain. Fungicides must be applied consistently after rai

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Ballinger, DJ, PA Salisbury, JI Dennis, JF Kollmorgen, and TD Potter. "Evaluation of fungicides, applied at sowing, for control of blackleg in rapeseed." Australian Journal of Experimental Agriculture 28, no. 4 (1988): 511. http://dx.doi.org/10.1071/ea9880511.

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The effects of 4 fungicides, applied at sowing, on the severity of blackleg disease of rapeseed were studied in the field. The systemic triazole fungicide flutriafol, coated on superphosphate fertiliser and applied as an in-furrow treatment at 250 g a.i./ha, was the most effective treatment and gave appreciable disease control and markedly increased yields. The fertiliser treatment was much more effective than a fungicide-coated sand granule treatment (also at 250 g a.i./ha). When applied as fertiliser, triadimefon (250 g a.i./ha) and procymidone (2.5 kg a.i./ha) were much less effective than

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Bowen, K. L., and R. S. Roark. "Management of Black Spot of Rose with Winter Fungicide Treatment." Plant Disease 85, no. 4 (2001): 393–98. http://dx.doi.org/10.1094/pdis.2001.85.4.393.

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Fungicides were evaluated for their efficacy against black spot of rose, caused by Diplocarpon rosae, when applied during winter months to hybrid tea rose plants in two studies. One study, conducted at two Auburn University campus sites, consisted of applications of horticultural oil, chlorothalonil plus an antitranspirant, and cyproconazole, along with nontreated plants; one site included triforine applications. Rose canes were treated two and three times between late October and February in 1996-97 and 1997-98, respectively; then plants were examined every 2 to 4 days beginning in mid-Februa

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McGrath, Margaret Tuttle, and Nina Shishkoff. "Resistance to Triadimefon and Benomyl: Dynamics and Impact on Managing Cucurbit Powdery Mildew." Plant Disease 85, no. 2 (2001): 147–54. http://dx.doi.org/10.1094/pdis.2001.85.2.147.

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Frequency of fungicide-resistant strains of Podosphaera xanthii on pumpkins in New York before treatment varied from 3 to 80% for the demethylation inhibiting (DMI) fungicide triadimefon and from 0 to 48% for the benzimidazole fungicide benomyl between 1993 and 1996. When the initial frequency of triadimefon-resistant strains was less than 55%, one application of triadimefon plus chlorothalonil was effective. This application was made after reaching the action threshold of one leaf with powdery mildew symptoms per 50 old leaves (defined as the oldest third of the foliage). The frequency of tri

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Culbreath, A. K., K. L. Stevenson, and T. B. Brenneman. "Management of Late Leaf Spot of Peanut with Benomyl and Chlorothalonil: A Study in Preserving Fungicide Utility." Plant Disease 86, no. 4 (2002): 349–55. http://dx.doi.org/10.1094/pdis.2002.86.4.349.

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Recent registration of sterol biosynthesis inhibitor and strobilurin fungicides for control of early (Cercospora arachidicola) and late (Cercosporidium personatum) leaf spot diseases of peanut (Arachis hypogaea) has renewed interest in the potential for loss of disease control due to fungicide resistance. The objectives of this study were to use the systemic fungicide benomyl, the protectant fungicide chlorothalonil, and late leaf spot of peanut as a model system to compare fungicide application strategies for fungicide resistance management. Field experiments were conducted at Tifton and Plai

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Nisa, Taskeen-un, Abdul Hamid Wani, Shazia Parveen, and Mohd Yaqub Bhat. "Phytophthora root rot of potato and its management in Kashmir Valley." Brazilian Journal of Biological Sciences 4, no. 7 (2017): 127–38. http://dx.doi.org/10.21472/bjbs.040713.

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Potato is an important crop and is grown allover the world. It is a promising food to millions of people especially in developing countries after rice, wheat and corn. Potato tubers are attacked by fungal diseases such as dry rots mostly in storage and soft rots at every stage and cause substantial loss. The present study was therefore carried out to study the incidence of fungal rot of potato in storage. It was revealed from the study that potato tubers in storage are attacked by Phytophthora infestans (Mont.) de Bary causing Phytophthora root rot. A study was also carried out for the managem

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41

Cohen, Y., and M. D. Coffey. "Systemic Fungicides and the Control of Oomycetes." Annual Review of Phytopathology 24, no. 1 (1986): 311–38. http://dx.doi.org/10.1146/annurev.py.24.090186.001523.

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42

Kekalo, A. Yu, V. V. Nemchenko, A. S. Philippov, N. Yu Zargaryan, and T. A. Kozlova. "PROTECTION OF PLANTS AS A FACTOR OF INFLUENCE ON THE QUALITY OF GRAIN OF WHEAT." Innovations and Food Safety, no. 4 (December 28, 2018): 31–38. http://dx.doi.org/10.31677/2311-0651-2018-0-4-31-38.

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The article analyzes data on the effect of fungicidal and herbicidal preparations on grain quality and productivity of spring wheat. Timely and high-quality use of plant protection products from harmful organisms can improve not only the productivity of spring wheat, but often the quality of grain. In the years of mass spread of aerogenic infections, the use of fungicides in wheat crops can increase the protein content of the grain, as the leaves are longer and more productive photosynthesize. Under these conditions, the increase of the content of gluten on the use of systemic multi-component

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43

Mishra, Shashank, Prashant Mishra, Ramji Singh, Gopal Singh, and S. K. Sachan. "Compatibility of Different Systemic and Non Systemic Fungicides with Trichoderma viride." International Journal of Current Microbiology and Applied Sciences 8, no. 01 (2019): 1005–10. http://dx.doi.org/10.20546/ijcmas.2019.801.109.

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44

Garton, Whitney J., Mark Mazzola, Travis R. Alexander, and Carol A. Miles. "Efficacy of Fungicide Treatments for Control of Anthracnose Canker in Young Cider Apple Trees in Western Washington." HortTechnology 29, no. 1 (2019): 35–40. http://dx.doi.org/10.21273/horttech04201-18.

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Anthracnose canker, caused by Neofabraea malicorticis, threatens the sustainability of cider apple (Malus ×domestica) production in the maritime climate of western Washington. In the short-term, the disease reduces overall orchard productivity and in the long-term it reduces an orchard’s economic life span. The disease is difficult to manage using cultural practices, and information on fungicide efficacy is limited and contradictory. To address this situation, a 2-year study was conducted to evaluate efficacy of zinc (4.49 lb/acre), basic copper sulfate (2.49 lb/acre), captan (2.94 lb/acre), t

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Humann, Ryan M., Keith D. Johnson, Michael J. Wunsch, et al. "Evaluation of Oxathiapiprolin for the Management of Sunflower Downy Mildew." Plant Disease 103, no. 10 (2019): 2498–504. http://dx.doi.org/10.1094/pdis-11-18-2045-re.

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Downy mildew is a yield-limiting disease of sunflower, caused by the pathogen Plasmopara halstedii. Zoospore infection of root tissue shortly after planting results in systemic infection, causing postemergence damping off or severe stunting and head sterility. Although fungicide-applied seed treatments can be an effective management tool, the pathogen is resistant to phenylamide fungicides in many growing regions, and other available fungicides have limited efficacy. Oxathiapiprolin, the first member of the piperidinyl thiazole isoxazoline fungicides, was evaluated for efficacy on downy mildew

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Huppatz, JL. "Systemic Fungicides. The Synthesis of Pyrazolo[1,5-a]pyrimidine Analogues of Carboxin." Australian Journal of Chemistry 38, no. 1 (1985): 221. http://dx.doi.org/10.1071/ch9850221.

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The synthesis of a series of pyrazolo [1,5-a] pyrimidine derivatives, structural analogues of the systemic fungicide carboxin, is described. A common intermediate incorporating structural features desirable for fungicidal activity, N-phenyl-3(5)-amino-5(3)-methylpyrazole-4- carboxamide (6), was used to prepare pyrazolo [1,5-a] pyrimidines variously substituted in positions 5 and 7 of the ring system. Bromination of N-phenyl-2-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide (8) occurred preferentially in the phenyl ring and the 6-bromo derivative was prepared by bromination of the corresponding 3

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Gent, David H., Megan C. Twomey, Sierra N. Wolfenbarger, and Joanna L. Woods. "Pre- and Postinfection Activity of Fungicides in Control of Hop Downy Mildew." Plant Disease 99, no. 6 (2015): 858–65. http://dx.doi.org/10.1094/pdis-10-14-1004-re.

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Optimum timing and use of fungicides for disease control are improved by an understanding of the characteristics of fungicide physical mode of action. Greenhouse and field experiments were conducted to quantify and model the duration of pre- and postinfection activity of fungicides most commonly used for control of hop downy mildew (caused by Pseudoperonospora humuli). In greenhouse experiments, control of downy mildew on leaves was similar among fungicides tested when applied preventatively but varied depending on both the fungicide and the timing of application postinfection. Disease control

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Verma, Shalini, H. R. Gautam, and Kishore Khosla. "Apple Scab (Venturia inaequalis Wint) Management Using a Novel Fungicide Combination in the North-Western Himalayas of India." International Journal of Economic Plants 9, no. 1 (2022): 011–17. http://dx.doi.org/10.23910/2/2022.0454a.

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Apple (Malus×domestica) is commercially most important horticultural crop grown in the north-western Himalayan region of India. The apple scab caused by fungi Venturia inaequalis (Cooke) Wint., is a devastating disease of apple aided by cool, moist climate during early spring. The present study on evaluation of effective fungicides against apple scab was undertaken in Himachal Pradesh during the years 2016 and 2017 under natural epiphytotic conditions. The application of carbendazim 25%+flusilazole 12.5% SE (0.08%) significantly decreased the apple scab disease in the present study. This resul

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Ratajkiewicz, Henryk, Roman Kierzek, Michał Raczkowski, Agnieszka Hołodyńska-Kulas, Agnieszka Łacka, and Tomasz Szulc. "The effect of coarse-droplet spraying with double flat fan air induction nozzle and spray volume adjustment model on the efficiency of fungicides and residues in processing tomato." Spanish Journal of Agricultural Research 16, no. 1 (2018): e1001. http://dx.doi.org/10.5424/sjar/20181614-11726.

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The study was conducted for the purpose of improving the application of fungicides against potato late blight (Phytophthora infestans (Mont.) de Bary) (PLB) in processing tomato. The usability of coarse spray quality with double flat fan air induction IDKT12003 nozzle and the impact of fixed and variable spray volume and adjuvants during alternate application of azoxystrobin and chlorothalonil were analysed on the basis of plant infestation and fungicide residues. The variable spray volume was calculated based on the number of leaves on a plant. The study was conducted during three vegetation

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Sandipan, P. B., B. P. Solanki, Nital N. Patel, R. L. Patel, P. D. Verma, and H. R. Desai. "Efficacy of Different Fungicides Against Dry Rot Pathogen of Potato Caused by Fusarium sp. under In vitro Condition." Cercetari Agronomice in Moldova 49, no. 4 (2016): 69–74. http://dx.doi.org/10.1515/cerce-2016-0037.

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Abstract Potato crop is affected by numerous diseases in field, as well as in storage conditions, particularly in cold storage. Dry rot of potato is caused by Fusarium sp. Dry rot of seed tubers can reduce crop establishment by killing developing potato sprouts, and crop losses can be up to 25%, while more than 60% of tubers can be infected in storage. It is a rich source of energy, which supplement food source of a country. In this experiment, four systemic and four non-systemic fungicides were tested at different concentrations in vitro for their comparative efficacy against inhibition of th

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