A ProMED-mail post
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Date: Sun 2 Aug 2020
Source: The Sentinel [abridged, edited]
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After flood hit, the farmers of Bongaigaon district [Assam] are facing a new disaster. This time an unknown disease of rice plants has destroyed a huge amount of rice fields. A farmer said that since last few days they have faced this new disease of rice plants. "The new leaves get affected and turn into reddish colour. After the newborn leaves, the whole plant dies."
The villagers claimed that the district agricultural department has been silent in this regard. "Agriculture department should find out a solution for this disease immediately before our rice fields are completely destroyed," another farmer added.
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Communicated by: ProMED-mail <promed@promedmail.org>
[A range of pathogens including fungi, bacteria, viruses, and nematodes have been reported to affect rice crops in the region.
Reddening of leaves followed by death of the plant, as described above, may also be due to environmental factors. Reliable diagnosis of the cause(s) and/or pathogen(s) associated with the problems is essential before any management strategies can be designed.
Maps
India (with states):
<https://url.emailprotection.link/?b3PtmCNhrVfCRin4hPtL_DCEtOUUcQu4bWnUyjuyqLiBC0tL1DR5XHYHtEqlViwMnBJmZzRqhVd0JXr5Bz3kBQzIz19KRYXr_DvIgMnQtc5KBSFlumfEzaksNVd1FbEUj> and <https://url.emailprotection.link/?b05QFwqPTij9Or0JNntK2Ta028HK0Hy9cXDrxF4Qezb2RH9y22A3MxnU1hbSL77cIksj67Am3UUZO654VKBI2iw~~>
Assam districts:
<https://url.emailprotection.link/?bWMozuJ_sLez6uP6__NYB-KDBkqB7fVmGnwIT-xLlqDWjGK6RCbWSCr-y9h4n5IedIRDwRXR2tD2TleOzfKGAP1Q2jExolDevCk2NkVbc-YRr411OvtED9QkhLmfut5i9>
Pictures
Symptoms of some rice diseases via:
<https://url.emailprotection.link/?b2crrDsnjftWhTO1gaGmr5C3RCWALN6xBVcPH_10uP5QlR-DZ4CryzM2RDRUZTLKaFkDiS6byf8iwWD7xsxK45TuRYJZaNqUKh_dcQctGxWbjwnVeFY_NzGgVynHGLSWV>
Links
Information on some diseases of rice via:
<https://url.emailprotection.link/?bjLEI9VcLSfrk_zv6427Wi_j1xJlK7HCDMh2Em1UJ3lslQo2FQgLj9f-F0p0NuozQd6nfiZJcmZHm4q-yLxPN-JCC9VLLG9Uuy9GlKseUhJgAyY0g26TqTzRWSkF9FwBL>
(with pictures)
List of major diseases and pathogens of rice:
<https://url.emailprotection.link/?bH3c_ALtSyJz-KDqACRMKMM5yqFZ2pg2_GCSwBqbzkPwoC_VkyfZW_04htzWiZc0AI_FT8155dSE1PLc5JeetbhLKxsmLdN6-5HORk09wTIPyW6XIHqrvD9AZBALGJ97P>
- Mod.DHA]
[See Also:
Fungal foot rot, rice - India: (HR)
https://url.emailprotection.link/?bmDCNjEB1ZDMOMuNivZtR0_MOivWd33L9kcoUemJviduoBlZ71_2nriU3msmE2qQ9BHqHqu0UMC-ukJOpcaUuKRJZjn-fL0d6S1p0mdLKlXbgWS_5yeLsVeKidG6lHQhG
Undiagnosed disease, rice - India: (TR)
https://url.emailprotection.link/?bTSWnBbn2q3QuT56PaPM5svuKrxO_0VJkKxFxIBjfEjt0oq8Md9VzgM9Og6eYj8es7cCt7FaknibX4JFjWE8hElWnvIh9hDGobWWZ353hxU3NKo1--1x1k9qfX11BFvQI
Blast disease, rice - India: (TG)
https://url.emailprotection.link/?bxfM33k2jk6q5obBh5Q26ov9qOGSyR9RulXYJJQPiApgXkubNYLqeAWC0VAn5AbudvZFn00G3mbxgq1uyUVKl9nDnhFUrH-iEJevhGnBx_j-FrJiZR0jEAtQGjKGb7Axp
2019
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Blast & bacterial leaf blight, rice - India: (TN)
https://url.emailprotection.link/?bgls2lG8Pmqqj2wzYboGFSajE6rYjD-c0B3tFRtZfPTD8Y1V-Otrn3I8FzTsGZSi4wvMHsecLP_3psGxe0eGAI7Tmyiz3VSoV6zWyDuYOYdIAP6JA97JV2Ca93Sn8NTI6
Fungal foot rot, rice - India: (PB)
https://url.emailprotection.link/?bVLNRkRpu8jlXOwCL943CFdzg-4T18Rdu3DRNACKNCMeYLY36dQjGBE6WzFJ6jorGX671L1LajsFSl8euDPpozmfm-bTw0R9oYu6WpqtbuTe9GV9-4_98BR_sPXQjdV9M
Undiagnosed disease, rice - Sri Lanka: (RN) https://url.emailprotection.link/?bfXTFl1HlHV_kCSDQauN7UB4n3BCaHQd8JwGkFNJvT14kHK5h5IvTxeT4rg-twj_yFRLSmQCs2KC1xyUYOn6YWCx0c8jqJvazAiG9DUPq6RCEYyXTU1aD5pQ2KUV7K7gu
Blast disease, rice - Bangladesh: (DH)
https://url.emailprotection.link/?bd2AsqHPxu3SZ5xLOo7RshaeAf4SzepUPbUvhvVA4Rx-t0nWmO0JIc2KvhAdIaMZ2XmoLi0ULR-nnv1lxM3aFKME_09HWGOhKOcrYdWZ3FE34PNZ_zVAAVYBBVvpicMAT
2018
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Undiagnosed disease, rice - Bangladesh: (CG)
https://url.emailprotection.link/?bu96xLvso2KxJb9RrxdO6mGtfwOyORGJgLFtKWHl4IAibdh2h6jPVE8qz8YLaI72NdGW5-x9weoxpWH3DS4o-Tb11NI_P46SQdYXGcXcNlnP-CqUS1uIsrJdwvjyrQaJ4
Brown spot, rice - Bhutan: (MO)
https://url.emailprotection.link/?b0z7raavNO5KkioHJcm_fle_9fq7WikYjA3_wxfqoKPZQKiPQyQEuzeVwAO-jEnKHKzl8F9cnO1iY_00gJ4zIylc7sxcc149h63pXTuPxCu1J4f4XFFaRKWrmULqE0_NY
Blast & bacterial leaf blight, rice - India https://url.emailprotection.link/?bXASlwLMm_EcQL9wdDc5QVNlwj42DQ8tpUojN4guOoHLKG7jQY6-2XoMhi6dYUIjBj7osaA_YDr-m9qlNDZtxp-t_nwMq39eZznkgokDsa0rBlQfod0mUWkoB_w5wD-vB
Blast disease, rice - Bangladesh: (RJ)
https://url.emailprotection.link/?byGU5u0AmfE8Vn5O0Y0TUhsYkp53xpi19PX1mpDYiK4tmsH7lBa5Gvg4s_A6cOM7s1_VdmSwrOIxiRhqlbAPT4xTRil5rPiwbqSL06BLSFIM2IBZge8vrNAXee9tPv6P5
False smut, rice - India: (TN)
https://url.emailprotection.link/?bZO2fbcA1d-WeSVHK5xPbMuaJBxj9HbssV5w4Ez5ImfGvf8CVoLJXFJyk8rQgR1195pmL_m88FmDItRT7_qysNoBn9sTM-n1jjKOruerZaJMEBGDdxa2HduWJZApjdEjb
2017
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Undiagnosed disease, rice - India: (UP)
https://url.emailprotection.link/?baMEF0ZtM6SK41u_q5RqQ1F3mpyTSvLdQ2f92bLHiomxWLgJ9KbSRPy2z2xaq7hQBRTMQeUf6v4PLoDpwTjEuwty41uqOwMAyjGuVx61QqJAWZ3gSPC16QfIXJlctm92C
False smut & blast, rice - Bhutan, India
https://url.emailprotection.link/?bX4D-rqFTb3GH9WPscJU4tYCxXnL9YZj3SD1LA5UbotIa9K_-Ho-jjk6QbsCl-O7Vw9UCmC14rEiVzwzRRDkJQvgrYdrTRJFpNy7YiRHtwrjsSgFn5Mf6zGtcKTRPmvv8
Undiagnosed disease, rice - India: (OR)
https://url.emailprotection.link/?bJk4yaVnIxdO5BBa45BH1osusJ1HvyMRv9DZ8Qo1v4uvG4v8sZoIuIE6slxJx50VdY6affi1cWivV3NTu-y5z79o-vz0ywN2Xs_eomev7XW8gqUxlos69kLPl6t5I0ZZ3
and additional items on rice diseases in the archives]