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Undiagnosed disease on beans in Bangladesh


A ProMED-mail post <http://www.promedmail.org>
ProMED-mail is a program of the International Society for Infectious Diseases <http://www.isid.org>

Date: Mon 16 Dec 2019
Source: The Financial Express [edited]
<https://today.thefinancialexpress.com.bd/country/virus-related-disease-makes-bogura-bean-growers-worried-1576425400>

Farmers in [Bogura] district are worried as their bean plants are turning yellow over [the] last couple of weeks.

The Department of Agriculture Extension (DAE) said over 560 hectares have been brought under bean cultivation this [2019] season. DAE officials said bean plants on over 300 hectares of the land have already been affected with a virus-related disease and the plants turn yellow gradually.

[An] agriculture officer of DAE said poor quality of seeds is one of the main reasons for such situation. Affected fields would not be able to give a good yield, he added.

--

Communicated by: ProMED-mail <promed@promedmail.org>

[The common name bean is used for a large variety of leguminous crops (family Fabaceae), including species of _Phaseolus_ (common, French, runner, Lima beans), _Vigna_ (snake bean, mung bean), _Glycine_ (soybean), _Vicia_ (broad or faba bean). It is not clear which of these crops the story above refers to.

Legumes can be affected by a range of fungal, bacterial, viral and nematode pathogens, several of which are shared between several genera. Some of these legume pathogens may be seed transmitted, as seems to be implied in the report above.

While the disease above is called 'virus-related', it is not stated whether this is based on any form of reliable diagnosis. The yellowing symptoms described are not sufficient for identifying a viral or any other pathogen since they may be due to a number of causes, both infectious and environmental.

 

Maps

Bangladesh:

<http://www.nationsonline.org/maps/bangladesh_map.jpg>

Bangladesh divisions and districts:

<http://tinyurl.com/bw2fuve>

 

Pictures

Symptoms of some bean diseases via:

<https://www.ipmimages.org/browse/bareas.cfm?domain=12>

 

Links

Major pathogens of some bean crops via:

<https://www.apsnet.org/edcenter/resources/commonnames/Pages/default.aspx>

Genera of Fabaceae:

<https://www.britannica.com/topic/list-of-plants-in-the-family-Fabaceae-2021803>

 - Mod.DHA]

 

[See Also:

2018

----

Peanut stunt virus, bean - Bulgaria: 1st rep

http://promedmail.org/post/20180828.5991477

2017

----

Halo blight, mung bean - China: emerging

http://promedmail.org/post/20170105.4745377

2013

----

Undiagnosed disease, snake bean - Guyana: (UD)

http://promedmail.org/post/20130516.1716275

2012

----

Undiagnosed disease, guar bean - India: (PB)

http://promedmail.org/post/20120907.1284703

Curtobacterium wilt, soybean - Germany: 1st rep, (TH)

http://promedmail.org/post/20120809.1235745

2011

----

Chocolate spot, broad bean - UK

http://promedmail.org/post/20110406.1065

Tomato yellow leaf curl, cowpea - China: new host, (SH)

http://promedmail.org/post/20110121.0244

2010

----

Halo blight, broad bean - Spain: (AS)

http://promedmail.org/post/20100812.2763

2005

----

Tobacco streak virus, mung bean - India: 1st report

http://promedmail.org/post/20051214.3595

French bean viruses - Iran: 1st report

http://promedmail.org/post/20050914.2716

Soybean rust, Asian strain - Americas: alert

http://promedmail.org/post/20050528.1476

2004

----

Severe leaf curl disease, cowpea - India

http://promedmail.org/post/20041119.3098

Southern bean mosaic virus, bean - Morocco

http://promedmail.org/post/20041021.2846

and additional items in the archives]



More news from: ISID (International Society for Infectious Diseases)


Website: http://www.isid.org

Published: December 17, 2019

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