Assessment of yield loss of wheat caused by spot blotch using regression model

Devi, Hijam Meronbala; Mahapatra, Sunita; Das, Srikanta

doi:10.1007/s42360-018-0036-9

Cited by 22 publications

(16 citation statements)

References 5 publications

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“…Losses due to spot blotch are high, especially in warmer areas of the world. They have been reported to reach 16%-43% (Sharma and Dubin, 1996;Duveiller and Sharma, 2009;Ayana et al, 2018;Devi et al, 2018). In addition, the hotspot for spot blotch disease is in South Asia (Van Ginkel and Rajaram, 1998;Joshi et al, 2007;Sharma et al, 2018;Sultana et al, 2018).…”

Section: Importance and Etiology Of Spot Blotchmentioning

confidence: 99%

“…in Sorokin, and Drechslera sorokiniana (Sacc.) Subramanian & Jain, causes diseases on a number of cereals, including wheat ( Tunali et al., 2008 ; Devi et al., 2018 ; Gultyaeva et al., 2018 ; Gupta et al., 2018b ; Jamil et al., 2018 ; Singh et al., 2019 ; Villa-Rodríguez et al., 2019 ; Li et al., 2020 ). The teleomorph for this fungus is Cochliobolus sativus (Ito & Kuribayashi) Drechs.…”

Section: Bipolaris Sorokinianamentioning

confidence: 99%

“…Spot blotch is a common disease on wheat in all continents ( Duveiller et al., 1998 ; Al-Saadi et al., 2002 ; Neupane et al., 2010 ; Al-Sadi, 2016 ; Devi et al., 2018 ; Gultyaeva et al., 2018 ; Gupta et al., 2018a ; Gupta et al., 2018b ). Losses due to spot blotch are high, especially in warmer areas of the world.…”

Section: Spot Blotchmentioning

confidence: 99%

“…Lesions can turn olive brown in color, especially under humid conditions that promote sporulation of the fungus ( Al-Sadi, 2016 ; Gupta et al., 2018a ; Gupta et al., 2018b ). Bipolaris sorokiniana is the pathogen responsible for spot blotch disease in wheat ( Devi et al., 2018 ; Gupta et al., 2018a ; Gupta et al., 2018b ; Tembo et al., 2018 ; Aggarwal et al., 2019 ). The symptoms of Pyrenophora tritici-repentis -induced tan spot, and Alternaria leaf blight resemble those of spot blotch.…”

Section: Spot Blotchmentioning

confidence: 99%

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Bipolaris sorokiniana-Induced Black Point, Common Root Rot, and Spot Blotch Diseases of Wheat: A Review

Al-Sadi

2021

Front. Cell. Infect. Microbiol.

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Wheat is among the ten top and most widely grown crops in the world. Several diseases cause losses in wheat production in different parts of the world. Bipolaris sorokiniana (teleomorph, Cochliobolus sativus) is one of the wheat pathogens that can attack all wheat parts, including seeds, roots, shoots, and leaves. Black point, root rot, crown rot and spot blotch are the main diseases caused by B. sorokiniana in wheat. Seed infection by B. sorokiniana can result in black point disease, reducing seed quality and seed germination and is considered a main source of inoculum for diseases such as common root rot and spot blotch. Root rot and crown rot diseases, which result from soil-borne or seed-borne inoculum, can result in yield losses in wheat. Spot blotch disease affects wheat in different parts of the world and cause significant losses in grain yield. This review paper summarizes the latest findings on B. sorokiniana, with a specific emphasis on management using genetic, chemical, cultural, and biological control measures.

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Section: Importance and Etiology Of Spot Blotchmentioning

confidence: 99%

Section: Bipolaris Sorokinianamentioning

confidence: 99%

Section: Spot Blotchmentioning

confidence: 99%

Section: Spot Blotchmentioning

confidence: 99%

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Bipolaris sorokiniana-Induced Black Point, Common Root Rot, and Spot Blotch Diseases of Wheat: A Review

Al-Sadi

2021

Front. Cell. Infect. Microbiol.

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“…Yield loss was predicted to be 18-22% in India (Singh and Srivastava, 1997). Recently, it has already been measured that there was a 1.8-2.0 kg ha −1 decrease in grain yield and 0.89-1.59 g decrease in 1000 grain weight with every one percent increase in disease severity of spot blotch (Devi et al, 2018) and it could be more at farmers fields in the eastern Gangetic plains. Grain yield loss due to spot blotch in South Asia ranged from 4-38% and 25-43% respectively in the year 2004(Duvellier et al, 2005.…”

Section: Introductionmentioning

confidence: 99%

Management of spot blotch of wheat using inducer chemicals under field conditions

Hijam¹,

Mahapatra

Das³

2019

Wheat and Barley Research

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An experiment was conducted for two consecutive years (2012-13 and 2013-14) to determine the effect of different inducer chemicals on spot blotch disease of wheat and its impact on grain yield. All the inducer chemicals reduced the spot blotch infection significantly at different concentration levelsand also increase the yield attributing characters like number of grains/panicle and 1000 seed weight. The accumulation of phenol increased up to 96 days after sowing (DAS), whereas, peroxidase accumulation increased up to 68 days after sowing in wheat plants in all the treatments.Among the different inducer chemicals salicyclic acid (10-4 M) and CuSO4 (10-4 M and 10-5 M) showed good results even at low concentration levels. Therefore, the inducer chemicals can be used as an alternative method to manage the spot blotch of wheat.

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