Evaluation of different fungicides and organic amendments against powdery mildew of ber

Mohan, Lalit; Buswal, Manoj Kumar; Yadav, Narender Singh; Punia, Rakesh

doi:10.5958/2249-8788.2022.00008.7

Cited by 2 publications

(3 citation statements)

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“…Notably, the highest grain yield of 4.10 t/ha was achieved with the application of Nativo 75 WG (0.07%), followed by 3.97 t/ha with Amistar Top 29.6 SC (0.13%). Similar findings were corroborated by Ghazanfar et al (2009), Mohan et al (2011), andNirmalkar et al (2017). Mohan et al (2011) and Nirmalkar et al (2017) highlighted that the application of tebuconazole 50% and trifloxystrobin 25% (WG), along with tebuconazole 25.9% (EC), exhibited a significant effect in controlling neck blast disease in paddy under field conditions.…”

Section: Efficacy Of Different Fungicides Against Neck Blast Under Fi...supporting

confidence: 81%

“…Similar findings were corroborated by Ghazanfar et al (2009), Mohan et al (2011), andNirmalkar et al (2017). Mohan et al (2011) and Nirmalkar et al (2017) highlighted that the application of tebuconazole 50% and trifloxystrobin 25% (WG), along with tebuconazole 25.9% (EC), exhibited a significant effect in controlling neck blast disease in paddy under field conditions. Moktan et al (2021) conducted a study in Nepal during 2017, where Tricyclazole 75% WP was sprayed five times at weekly intervals in rice fields, resulting in effective control of rice blast disease with minimal blast incidence (27.85%).…”

Section: Efficacy Of Different Fungicides Against Neck Blast Under Fi...supporting

confidence: 81%

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Analyses of Productivity and Profitability in Boro Rice Cultivation within Blast-Affected Areas of Kushtia District

Mahmud,

Rahman,

Akter

et al. 2023

Bangladesh Rice J.

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This study evaluated the profitability dynamics of blast affected Boro rice cultivation within specific regions of Kushtia District of Bangladesh during the period of 2018-19. A total of 90 farmers, with 30 from each upazila, were selected randomly for participation in this study. The findings revealed substantial yield losses, with the most significant impact observed among11% farmers affected by a disease severity scale of 9 in BRRI dhan28, resulting in a yield loss of 3.92 t/ha. Similarly, a blast severity scale of 9 led to yield losses of 2.0 t/ha in BRRI dhan29, affecting 7% of farmers. The Miniket cultivar exhibited a yield loss of 1.70 t/ha among 56% of farmers with a severity scale of 5. Interestingly, Mirpur experienced devastating losses for both BRRI dhan28 and BRRI dhan29, while Kushtia Sadar suffered significant yield losses for the Miniket cultivar based on disease severity and yield impact. Application of Nativo 75 WG (0.40 Kg/ha) and Trooper 75 WP (0.50 Kg/ha) at the lowest (3%) disease incidence resulted in a remarkable 68.97% increase in yield for BRRI dhan29 in Bheramara. Conversely, spraying of Amistar Top 325 SC (0.56 l/ha) did not lead to increase yield. In Miniket cultivar at Bheramara, Nativo 75 WG (0.45 Kg/ha) and Amistar Top 325 SC (0.37 l/ha) resulted in a lower yield of 2.99 t/ha due to application at a higher (50%) disease incidence. Furthermore, a yield increase of 69.67% was observed with the application of Nativo 75 WG (0.34 kg/ha) in the Miniket cultivar at Kushtia Sadar. The highest gross return, gross margin, net return, and benefit-cost ratio were recorded in Bheramara, amounting to Tk 1,24,084/ha, Tk 46,037/ha, Tk 5,797/ha, and 1.05, respectively. Notably, BRRI dhan29 exhibited the maximum gross return and yield of Tk 1,32,435/ha and 6.14 t/ha, respectively, whereas BRRI dhan28 demonstrated the lowest gross return and net return of Tk 1,09,737/ha and (-) Tk 8,321/ha, respectively, due to higher blast disease incidence. Labor costs constituted the largest share (34.10%) of the total rice production expenses. Despite BRRI dhan28 exhibiting lower net and gross returns per hectare due to higher blast disease incidence, the highest yields in BRRI dhan29 were attributed to its comparatively lower disease infection rate among the three varieties. Evidently, the cultivation of the Miniket cultivar resulted in higher net returns due to its superior market price and quality, especially when disease incidence was lower compared to BRRI dhan28. This emphasizes the importance of blast management strategies and the use of resistant varieties with high yield potential and market value in ensuring sustainable productivity and profitability in Boro rice production. Bangladesh Rice J. 26 (2): 1-18, 2022

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Section: Efficacy Of Different Fungicides Against Neck Blast Under Fi...supporting

confidence: 81%

Section: Efficacy Of Different Fungicides Against Neck Blast Under Fi...supporting

confidence: 81%

Analyses of Productivity and Profitability in Boro Rice Cultivation within Blast-Affected Areas of Kushtia District

Mahmud,

Rahman,

Akter

et al. 2023

Bangladesh Rice J.

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show abstract

“…Metrafenone was reported to be effective in the control of powdery mildew by Scannavini et al (2006) and Dietz and Winter (2019). Results of Sulphur were in cognizance with previous investigations reported by Bhardwaj (1997). The rotational application of fungicides with different mode of action at a particular stage, depending on the number of days after pruning was found to be most effective in the control of the disease both in the leaves and the bunches.…”

Section: Field Efficacy Of Chemical Fungicides Against Powdery Mildew...supporting

confidence: 69%

Strategic Management of Powdery Mildew of Grapes Using Fungicides and Bio-Control Agents

Saha,

Thosar,

Das

et al. 2023

IJBSM

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The study was carried out at ICAR-NRCG, Pune, Maharashtra, India during November–February of 2019–2020 and 2020–2021 to evaluate the bio-efficacy of fungicides and biocontrol agents and level of tolerance against powdery mildew of grapes. Total 18 treatments categorised into three groups were taken into account. Three groups viz. fungicides, biocontrol agents (Bacillus licheniformis, Trichoderma afroharzianum, Ampelomyces quisqualis) along with metrafenone and commercial formulations of biocontrol agents were analysed for disease control. A total of five applications of each treatment were made during the growing season. Results showed that, in case of Group I (registered fungicides), Hexaconazole 5 EC @ 1 ml l-1/ Difenoconazole 25 EC @ 0.5 ml l-1/Myclobutanil 10 WP @ 0.4 g l-1/Two sprays of sulphur @ 2 g l-1 was most effective in controlling the disease. In case of pure culture, Trichoderma afroharzanium had proved to be most effective in the control of powdery mildew when sprayed in alteration with Metrafenone. In Group III, alternate applications of commercial formulations of Bacillus subtilis (2 ml l-1), Trichoderma viridae (2 g l-1), Ampelomyces quisqualis (5 ml l-1) and sulphur (2 g l-1) was most effective in controlling the disease. It was concluded that the application of bio-control agents in alternation with chemical fungicides controlled the disease effectively.

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Evaluation of different fungicides and organic amendments against powdery mildew of ber

Cited by 2 publications

References 0 publications

Analyses of Productivity and Profitability in Boro Rice Cultivation within Blast-Affected Areas of Kushtia District

Analyses of Productivity and Profitability in Boro Rice Cultivation within Blast-Affected Areas of Kushtia District

Strategic Management of Powdery Mildew of Grapes Using Fungicides and Bio-Control Agents

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