The control of club-root (Plasmodiophora brassicae Wor.) on cabbage seedlings with trifluralin and napropamid herbicides

Robak, J.; Dobrzanski, A.

doi:10.5586/aa.1978.014

Cited by 3 publications

(1 citation statement)

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“…Carbendazim (Methyl 1H-benzimidazol-2-ylcarbamate) was found efficient for clubroot control only when used in a very high amount 80-100 Kg ha 1 , but this make treatment costly and soil polluted (Robak and Dobrzański, 2015).…”

Section: Benzimidazolementioning

confidence: 99%

A review on clubroot of crucifers: symptoms, life-cycle of pathogen, factors affecting severity, and management strategies

Gahatraj¹,

Shrestha²,

Devkota³

et al. 2019

Arch. Agric. Environ. Sci.

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Clubroot is a devastating disease of crucifers throughout the world. It is caused by a soil-borne obligate phytoparasite, Plasmodiophora brassicae Wor. Plant affected by this disease shows flagging of leaves, unthrifty growth, and even premature death. When uprooted, root shows characteristic symptom of hypertrophied club-shaped root system. Several biotic and abiotic factors affect the disease severity. Biotic factors include spore load in soil and virulence of pathogen, whereas abiotic factors generally include soil environmental factors such as soil temperature, soil pH, soil moisture, and soil type. Pathogen survives, for substantial period of time in absence of host, through its double-walled resting spores in soil or crop debris. Temperature affects spore germination, occurrence, and pathogen proliferation. Acidic soil reaction is crucial for pathogen to proliferate, metabolize, secret enzymes, and to complete lifecycle. All type of soil textures favor disease; however, severity differs with type of soil and soil organic matter content. Soil moisture provides platform to move bi-flagellated zoospores to infect root hairs of crops. Root hair infection is commensurate with inoculum density or spore load in soil. Immediate management strategies entail cultural practices, use of biocontrol agents, and application of chemical as last resort. Trichoderma spp., Pseudomonas fluorescens, Bacillus subtilis, and Gliocladium catenulatum are potential biocontrol agents. Flusalfamide, Fluazinam, and Cyazofamid are some common chemicals used to control clubroot. Soil carried by farm implements, human body, irrigation water, and flood can be potential source of pathogen. The risk of clubroot can be reduced by ensuring phyto-sanitory measures, destroying host crop debris, regular scouting, growing resistant cultivars, avoiding acidic soil reaction, eliminating weedy hosts, and reducing soil movement.

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Section: Benzimidazolementioning

confidence: 99%

A review on clubroot of crucifers: symptoms, life-cycle of pathogen, factors affecting severity, and management strategies

Gahatraj¹,

Shrestha²,

Devkota³

et al. 2019

Arch. Agric. Environ. Sci.

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Interactions of fungicide-herbicide combinations against plant pathogens and weeds

Kataria¹,

Gisi²

1990

Crop Protection

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Individual and Combined Effects of Certain Pesticides on Rhizoctonia solani, Sheath Blight Pathogen of Rice

Singh¹,

Sethunathan²

1987

Journal of Phytopathology

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The effect of different pesticides (fungicide, herbicide and insecticide) on the mycelial growth and formation and germination of sclerotia of sheath blight pathogen of rice, Rhizoctonia solani Kiihn was studied in nutrient medium and in natural soil. Among the herbicides and insecticides, fenitrothion (insecticide) and thiobencarb (herbicide) were the most effective in inhibiting the myceliai growth and sclerotial formation. These pesticides effected significant inhibition of both mycelial growth and sclerotial formation at 7.5 to lO/^g/ml concentration while fungicides carbendazim and tolclofosmethyl effected almost complete inhibition at 2.5 |Ug/ml. Interestingly, a synergistic increase in the toxicity to mycelial growth, sclerotial formation and sclerotial germination was noticed when the fungicide, mancozeb and the herbicide, thiobencarb were applied at subtoxic concentration in combination. Such synergistic interactions between pesticides in a combination leading to increased toxicity suggest that under the current practice of applying fungicides, herbicides and insecticides either simultaneously or in rotation, certain combinations may help in reducing the dose of a fungicide in disease control. ZusammenfassungEinzelne und gemeinsame Einfliisse bestimmter Pestizide gegen Rhizoctonia solani, dem Reis-Sheat-Blight-Pathogen Der Einflufi verschiedener Pestizide (Fungizide, Herbizide und Insektizide) auf das Myzelwachstum, die Bildung und die Keimung von Skleroden des Reis-Sheat-Bhght-Pathogens, Rhizoctonia solani Kiihn, wurde in Nahrmedien und natiirlicher Erde untersucht. Unter den Herbiziden und Insektiziden zeigten sich Fenitrothion (Insektizid) und Thiobencarb (Herbizid) als effektivste Inhibitoren des Myzeiwachstums und der Sklerotienbildung. Diese Pestizide bewirkten eine signifikante Inhibition des Myzeiwachstums und der Sklerotienbildung bei Konzentrationen von 7,5 bis 10 ^g/ml, wogegen die Fungizide Carbendazim und Tolclofosmethyl eine fast vollige Inhibition schon bei 2,5 jug/ml verursachten. Erwahnenswert ist der synergistische Effekt, der die Mischung Mancozeb, einem Fungizid, und Thiobencarb, einem Herbizid, bei subtoxischen Konzentrationen in dessen U.S.

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The control of club-root (Plasmodiophora brassicae Wor.) on cabbage seedlings with trifluralin and napropamid herbicides

Cited by 3 publications

References 0 publications

A review on clubroot of crucifers: symptoms, life-cycle of pathogen, factors affecting severity, and management strategies

A review on clubroot of crucifers: symptoms, life-cycle of pathogen, factors affecting severity, and management strategies

Interactions of fungicide-herbicide combinations against plant pathogens and weeds

Individual and Combined Effects of Certain Pesticides on Rhizoctonia solani, Sheath Blight Pathogen of Rice

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