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Undiagnosed diseases on vegetable crops in the Lamwo district of northern Uganda


A ProMED-mail post <https://url.emailprotection.link/?bczGkw5NaxKViInVN3o8WI7SkfPjCplYcnrvkSnR7vDdzBseB4Z4JgOzMtf4NyhKwZ-87t_ekCqY4X1TR9IACFg~~>

ProMED-mail is a program of the International Society for Infectious Diseases <https://url.emailprotection.link/?bJcYJd1UM9bbZyueyHGqCfuWBsCz6JLr6QpMnBNG04Pz2V8akThtcwE1bjLVZbAR2-PZoubzhx-ALOhYt6Kir6w~~>

Date: Sat 23 Jan 2021

Source: Uganda Radio Network [abridged, summ., edited] <https://url.emailprotection.link/?bWcJT_PhvykAbegFDo0hXV0dSlDVE1rvsMZ7eKLlRZKaxSoCheSjz7KESP1lDV1tJHWAqVzEzmOobLu0sXCZpnussY8oj9bUsFssAsveSnCRZbCc_xoTHnqxTNT_XG9hv8_xPxmEgGjrtj0cf4zuZrCjgHqubWo6293MeP2GLe88~>

An estimated 900 vegetable farmers in Lamwo district [Northern region] have lost several acres of vegetable crops to a strange disease. The vegetables most affected are cabbages, eggplants, and tomatoes. The disease, which was first detected in April 2020, attacks the roots or fruits of the crops, causing wilting of the whole plant when still young. According to [a farmer], they alerted their district agricultural officer about the strange disease in April last year [2020], but they are yet to be given a solution.

The Agoro Cooperative Society says the group's 32 members lost 10 acres of crops to the disease. All members and individual farmers who use [the] Agoro Irrigation Scheme to water their plants have been affected. "All the vegetables planted dried up before or immediately after sprouting or bearing fruits", they said. "Even after spraying the crops, there was no improvement."

The Lamwo district agricultural officer says he has not yet received any report, adding that he will visit the affected farmers to ascertain the kind of disease affecting their crops.

--

Communicated by: ProMED <promed@promedmail.org>

[From the description above, it is not possible to determine the diseases or disorders referred to. Both brassica (cabbages) and solanaceous (tomato, aubergine) crops, which belong to unrelated families, are reported to be affected. This would suggest that either any pathogens potentially involved would have to have a very wide host range, different pathogens affect the different crop families, or the problem may be due to external factors or chemical contamination.

A range of fungal, bacterial, viral, and nematode pathogens are known to occur in the region on vegetable crops. Some of the pathogens may be spread in irrigation water (such as _Ralstonia_ bacterial rots; for example, see ProMED-mail post https://url.emailprotection.link/?bLouXEOFiIc8Zh_mbsJ-BYUT1b1sS2g4ub_-kedZq7GIVC3mGxyUJclApJF-U-prq3BCRW0imyMml3T_V0fsrAp2KmyMT4qggJSQ1R62O60d27bMtHm_IOYj0eqx6OhEW), as seems to be suggested in the report above. Reliable diagnosis of the cause(s) would be paramount to providing solutions for the farmers.

 

Maps

Uganda:

<https://url.emailprotection.link/?bP9Rk1nYZhUh7s0AgbEOU3b3t8U-5vr1x_WVeIWWdkBPtf86MwFGQHmWW4YR87VRWoV2n32CLEBSkAHHinML0UoS_wZI1eWiG7F3WvfblVlz0taK_pfZfliw4ORDBtzaD>

Uganda districts:

<https://url.emailprotection.link/?bwQqUMfaGS_PIYdsyeKA0quALcKdd1dAHdpcLKXEl2bqA7ct4l72A0Dew7MRdPSOz8M6ypkwua4lvAnIf3Mwv6Ky5uyFi8R9wgNesvFSzirZ-S_q_Tw2GXbbd1F58xfVz>

 

Pictures

Symptoms of some cabbage diseases via:

<https://url.emailprotection.link/?beaT1Qc3KgZszjtDE0aiP-spoS3ln-TiMJkDE9bGT6Ag6IUfxdJrZiMe7NVlPx8499kudfktPtJme3s6-LdnCBNyNJxu6oMy6G7BUp-Xxedv5L6ZM0tWb74XtqCpVaM1F>

Symptoms of some tomato diseases via:

<https://url.emailprotection.link/?bhI-e0VKwbs04OZR4z79TxFWh0oKq7ejDek-K6bh5VJdhGuvqHIvYSlN0fAtjvB3qghyIhDmQ76-P7T8XQyRQLXeFiP0bK8zy1miit5g7vvmnZuD4BkCPNR0VOPEB48gD>

 

Links

Information on some cabbage diseases via:

<https://url.emailprotection.link/?bfoz1nm0bGeaMIjt__2zY_ztFGVcxlpFZdUCOjo2IW1x44sLsfOynV9MKxCWF5frABhYyEav5DLoP4zUTi5J8iicBIA8ZtVWkRHlqCywYkdHxYq8WyYXJ9238DmneeTlb>

and

<https://url.emailprotection.link/?bQPQthcFcbzetWa3OzlrN904uUWrVY5v4vy0U7iMjmEH3fTbKt-ssz2S74qKmaFaEKpKGpANv3ynRtTepMvDill31_DHBKuHEmjQrTcVJC72Rjp7CENv91rTy_M9DHWAm>

Fact sheets of some major tomato diseases via:

<https://url.emailprotection.link/?b2FCGg5Suy8O1tF8aOvQJetW1A31lcndr8UQhZ8foGSSwwdjQRW9FhIpK-CUh1JhuLLcu8N9b534q6m-ORfSSpEgHv16d65A92iRz21ona4QT0pmbnXxCFZeWTnQohiBR>

List of major diseases and pathogens of the crops via:

<https://url.emailprotection.link/?bllLPMmq_slmXPWs1UUjIsarSK4yuIY8k6QC1FmVf0VHv4prMXTIVra7d_QX54hG5TLsJQogMvDTiXDbm8nENHQkWsSTrozb3y0jWI9H4qp2hIlD9SUha0yDbEoY0vnXz>

- Mod.DHA]

 

[See Also:

2020

----

Ralstonia, potato & tomato - Germany: (BY) alert https://url.emailprotection.link/?bLouXEOFiIc8Zh_mbsJ-BYUT1b1sS2g4ub_-kedZq7GIVC3mGxyUJclApJF-U-prq3BCRW0imyMml3T_V0fsrAp2KmyMT4qggJSQ1R62O60d27bMtHm_IOYj0eqx6OhEW

Undiagnosed disease, cabbage - North Korea: (HN) https://url.emailprotection.link/?brbY6NSNnBQJEXxNuZIn-pOKGwPe0DG1-e7uqBDe0nnzuJI-QjyMv60BabNPhvd0XW6OeGON6uNwDD1GJWJVz4I-4_gl8_YmAXhem4daKzgqzngZKIWU9UCZ6wO7w7jNo

Undiagnosed disease, tomato - India (02): (MH) multiple viruses https://url.emailprotection.link/?b1Gfoei0rt9cX43q7QSSRXmjPqVjXc2IR8wTqnnvPvYQY-T5axIoHWeGtTFJbWD9kySzsNvBFLntTpYyTauq5dVfD07ZVaaA_PWWr4OvYOAyWO6l4CI2iFQlzvfhjrp5s

Undiagnosed disease, tomato - India: (MH) https://url.emailprotection.link/?bq_hzfY83UDW5v1dm0Cxpphr608Cnh6fk1Tt7CfVO-Qc5bJErTQLjBSU-n_Nv3GajDeCIdz1XW76hDJlGHO8dGACB9IgT_lfzdJBISGhTgh3ucj4LpNnwCyVDRCjPmPSJ

Undiagnosed disease, tomato - China

https://url.emailprotection.link/?bliAqJFKR4y4HW2fzD5SADviQHrBWGRLKO3f8CztrulX_HHHfq62wj7lIwh6GeI1I0lVlzO_viys-4iApF0trskMxK2-nsnvSiHK5-n0aPjvEAN5uUrS-4lwoiGLdirZW

Brown rot, potato - Uganda: survey

https://url.emailprotection.link/?bhhgi89Q-CxuY8lLAFHcazetSd9ahKpNFIYHQJsByMwmUTJfVPTezDPxyu7AIg2krpCepP8D1LDKsHiDLHMYv8S5Egr_FOpPxIS2GAmJxHVbwZniSYcvcCeK22FBXXxuw

Bacterial wilt, tomato - Ghana: (UE)

https://url.emailprotection.link/?bpPFuZ0nOHutylZ38EfvpZYbmb7N2Z2IZixrWqbRllfECQqdrnIaUZ6YXY9UWZ6cS4qyreyNarfPXPStoUpOOQOHJc8g_DNiJpDTGf9veweTcusm_IOntb2PfHPSLJW6f

2019

----

Undiagnosed disease, tomato - Nigeria: (JI) https://url.emailprotection.link/?b_lY4T9i9Fw-AG3cypdRQ5AaE-XWEU38mbWVnWU48OvFtiwCiiApjPcoGp0AT8teWmEbEaWu5VUmnAxn21gOy3eWMtaOyJ8JaMJ9QMVF41iWIZcd06pLN_cYbOpV0iIhI

2018

----

Undiagnosed diseases, tomato & okra - Ghana: (UE) https://url.emailprotection.link/?b7JoDdYyT_86te_s-GK1-gRf0PLJvHfxPhe9yTfWq_qLS5Jq2g3cuX1vpQhs6muZsAtUIjiC4qqgrhG65y0NnrL_toVsXZjfjv8BDcBb4ugg4VkVtM-QpRJkoXZyQgOTH

2015

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Bacterial wilt, tomato - Uganda: (QL)

https://url.emailprotection.link/?b1mmw-i7LJWSEqebF2kf-uhMtU_hBjiV_KUaCK2m3bsRtFgrppYfFVrwflxh8UwfmXMSsM61m_vLf6iFhAxEBKPW1EL_6i03I-aYZLR7SrRD7EVwOH94MsN5Wx5fvAlQH

2010

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Bacterial wilt, tomato - Uganda, Nepal

https://url.emailprotection.link/?bgls2lG8Pmqqj2wzYboGFSajE6rYjD-c0B3tFRtZfPTAjODIF8Gle6rNAzTzmTIk9uQK5rDJy-xWw3f9f88_J7YObA4UlvhGZJ_XA54k9r9A0WqeE_vqSal1_7z55Oj3C

Undiagnosed wilt, chili - Ghana: (TV)

https://url.emailprotection.link/?bjsalkS_gYE1tdOYtqR36wV8NaBThoe4rOijDwKXLfYef7GkvRT_sgIvLeH4PX-K_RMRiHJeElcLo5SUCsdZks_1ihkvLbW5RCGZz4s2BeQ97ul-SroBJFLci3mR4clM-

and additional items on diseases of the affected crops in the archives]



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


Website: http://www.isid.org

Published: January 28, 2021

The news item on this page is copyright by the organization where it originated
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