In-vitro efficacy of fungicides against Rhizoctonia solani by poisoned food technique

Debbarma, Manashi; Rajesh, T.

doi:10.5958/2394-4471.2021.00028.9

Cited by 2 publications

(2 citation statements)

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“…Our finding also showed that treatment with vitavax 200 at 400 ppm inhibited the growth of tested fungi in vitro, making it significantly more effective. These results are similar to those of Adhikari et al (2018) who found that vitavax 200 was most effective in inhibiting mycelial radial growth of R. solani at the lowest concentration (10 ppm). Also, Saad et al (2014) reported that vitavax 200 had a significantly greater inhibition effect on F. solani linear growth than other treatments.…”

Section: Discussion Discussion Discussionsupporting

confidence: 90%

Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose

ABDEL-WAHED,

SAID,

AHMED

et al. 2024

Not Bot Horti Agrobo

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Root rot and wilt diseases are among the most pressing obstacles to the production of rose flowers in Egypt. Isolation results showed that these diseases are mainly caused by seven soil-borne fungi. However, Fusarium roseum, Verticillium dahlia, and Rhizoctonia solani were the most pathogenic fungi against Rosa gallica and R. chinensis compared to other isolated fungi. The present study aimed to investigate the potential of some bio- and synthetic fertilizers, including seaweed extract, Rhizobacterin, NPK, and potassium silicate, as well as the chemical fungicide vitavax 200, to control root rot and wilt and improve growth and flowering traits of both R. gallica and R. chinensis. Under in vitro conditions, the highest linear growth inhibition of pathogenic fungi was achieved by seaweed extract followed by potassium silicate, at 400 ppm each. In addition, vitavax 200 at 400 ppm completely inhibited the linear growth of these fungi. The results also showed that all treatments applied in vivo significantly reduced the incidence of diseases on rose plants in both seasons, leading to an improvement in all growth and flowering parameters and an increase in the content of photosynthetic pigments, total carbohydrates, nitrogen, phosphorus, and potassium. In this regard, seaweed extract (4 and 2 g/L) and potassium silicate (4 g/L) were the most efficient, while Rhizobacterin (2 g/L) and NPK (2 g/plant) were the least effective. However, vitavax 200 was the most effective of all the treatments used. In conclusion, the results proved the possibility of increasing the tolerance of R. gallica and R. chinensis against root rot and wilt, while improving growth and flowering characteristics by using some bio- and synthetic fertilizers.

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Section: Discussion Discussion Discussionsupporting

confidence: 90%

Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose

ABDEL-WAHED,

SAID,

AHMED

et al. 2024

Not Bot Horti Agrobo

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“…Moreover, the lack of resistance in maize germplasm further complicates this concerning scenario. Several conventional control measures have been explored such as mechanical stripping of lower leaf sheath (Batsa et al, 2004; Kaur et al, 2020; Mehra et al, 2012; Sharma & Hembram, 1989); botanical management using foliar application of garlic, neem and eucalyptus extracts (Kumar, Mehra, & Kumari, 2022e; Lal et al, 2016; Rajput et al, 2016); biological control using various biocontrol agents (Dahima et al, 2018; Lal et al, 2016); and integrated disease management combining fungicides, bioagents, and botanicals (Aggarwal et al, 2022; Debbrama & Rajesh, 2021; Kumar & Kaur, 2020; Sagar et al, 2020). However, long‐term viability of pathogen sclerotia in soil (Zachow et al, 2011; Zhao, Canaran, et al, 2006; Zhao, Zhang, et al, 2006) and inadequate implementation of agronomic practices (Raaijmakers et al, 2009; Savary et al, 2019) collectively leads to ineffectiveness of control measures against BLSB.…”

Section: Introductionmentioning

confidence: 99%

Genetic diversity and resistance assessment among maize genotypes against banded leaf and sheath blight (caused by Rhizoctonia solani f. sp. sasakii) utilizing SSR markers

Kumari,

Chauhan,

Kumar

et al. 2023

Journal of Phytopathology

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A field investigation was carried out during the consecutive kharif seasons of 2021 and 2022 to assess the resistance response of 38 maize genotypes against banded leaf and sheath bight (BLSB). The trials were conducted at CCS Haryana Agricultural University, Regional Research Station, Karnal (India) under artificial epiphytotic conditions. Throughout both seasons, six genotypes (HKI 163, HKI 193‐2, HKI 488, IQPMH‐18‐2, HKI 194‐7 and HKI 1128) exhibited resistant reactions, one genotype (HM 8) showed susceptible reaction, whereas 19 genotypes showed moderately resistant response to BLSB. To analyse molecular aspects of BLSB resistance, genomic DNA was extracted and PCR amplification was performed using 22 SSR markers. Ten SSR markers (bnlg238, bnlg161, bnlg127, bnlg339, bnlg615, bnlg1272, phi077, phi080, phi035 and umc1275) revealed distinct banding patterns in resistant and susceptible genotypes. Among these, marker bnlg339 exhibited a band size of 120 bp across 14 genotypes, with six (HKI 163, HKI 193‐2, HQPM 5, IQPMH‐18‐2, HKI 194‐7 and HKI 1128) classified as resistant and eight (HKI 193‐1, HKI 1657, HKI 1378, HPQM 1, HKI 1659, HPQM 2, T Bio 259 ER and HKI 191‐2‐5) as moderately resistant, resembling the amplified profile of the resistant check genotype (HKI 163). Similarly, the markers phi080 and bnlg1272 exhibited differential amplified profile of approximately 150 bp and 240 bp, respectively, in 10 (five resistant and five moderately resistant) and 12 (four resistant and eight moderately resistant) maize genotypes throughout the study. The percentage of polymorphism for the SSR markers varied from 0 to 100%, with an average value of 95.45% per primer among all genotypes. The identification of resistant and moderately resistant genotypes and characterization of specific SSR markers associated with resistance offer practical tools for breeders to develop BLSB‐resistant maize varieties, ultimately enhancing crop resilience and food security.

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In-vitro efficacy of fungicides against Rhizoctonia solani by poisoned food technique

Cited by 2 publications

References 0 publications

Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose

Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose

Genetic diversity and resistance assessment among maize genotypes against banded leaf and sheath blight (caused by Rhizoctonia solani f. sp. sasakii) utilizing SSR markers

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