SeedQuest - Central information website for the global seed industry

News Page

The news
and
beyond the news

Index of news sources

Topics

Alliances / M & A
Artificial intelligence
Bees & pollinators health
Biodiversity
Bioinformatics
Biologicals & inoculants
Biotechnology
Blockchain technology
Carbon
Cereal crops
Climate change
Coexistence
Cover crops
Crop protection
Data science
Digital agriculture
Drones / UAV
Drought tolerance
Education & careers
Financial
Food & health
Food safety
Food security
Forage crops
Fungicide resistance
Genetic resources
Genome-editing technology
Genomics
Heat tolerance
Herbicide resistance
Indoor agriculture
Insecticide resistance
Intellectual property protection
Legal & regulatory
Legumes
Lighting technology
Machinery & equipment
Market data
Microbials / Microbiome
New breeding techniques
New products & tools
New services
New technologies
Non-food agriculture
Oilseed crops
Organic
Ornamentals
Pasture grasses
People
Pesticide resistance
Phenotyping / Phenomics
Plant & seed nutrition
Plant breeding
Plant health
Plant protein
Post-harvest technology
Precision agriculture
Published in print
Pulse crops
Regenerative agriculture
Remote sensing
Research
Robots / Robotics
Root health
Seed analysis
Seed colorants & polymers
Seed enhancement
Seed health
Seed processing
Seed science & technology
Seed testing
Seed treatment
Soil health
Sustainable ag
Turfgrass
Urban farming
Vegetable crops
Web & IT solutions
Weed management

Species

Archives

News archive 1997-2008

Undiagnosed leaf curl and wilt on capsicum in Orissa, India

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 20 Mar 2021
Source: Orissa Post [edited]
<https://url.emailprotection.link/?buz-3kVJCdxTHznvKyN1GmTzhBGYZuDktPS3G9CPUeVQVfo3rWCFa6wDXVnMQyoCk-osTxdjCnwBHZOJxzV44GJz7u7E2HrZesc_5cFvA937DexehwqHLnMO7M_Tzbqp1>

Recently, farmers have undertaken capsicum cultivation in the area.

However, leaf curling and wilting disease has suddenly affected the capsicum, [a] farmer said.

Farm scientists held the farmers responsible for the disease. They said [they] could prevent the disease by treatment of the soil, seeds and saplings before cultivation. [An] agriculture scientist of Krushi Vigyan Kendra [agricultural extension centre] visited farmers. He said [they] could use neem cake powder or _Trichoderma viride_ for soil treatment. Similarly, bavistin fungicide should be used for seed treatment. They should also apply thiamethoxam for treatment of saplings after 20-25 days of plantation [see comments below].

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

[An undiagnosed leaf blight of tomato has been reported only 2 weeks earlier from the same area in Jaipur (ProMED-mail post https://url.emailprotection.link/?b_DZFalH2D2RKEXHnKfMwZHr5oHN248Xirsxb_qMm4VhhISC3Y374SH8XgtFLJrBAc98n_1-Bm4dSqaJAlsRPI9N8j-B7L8Z_-4_00LE33zmvYpyMHHoqRcYjuJSA2s_F]. Since tomato and capsicum are closely related solanaceous crops and share many pathogens, both problems may well have the same cause(s).

The recommendations given to farmers, as reported above, are either unsuitable or, at the least, very unspecific:

neem cake powder is a soil conditioner/fertiliser;
_Trichoderma viride_ is a biocontrol agent used to suppress a number of fungal pathogens; however, it is by no means certain that the problems are due to fungi;
bavistin is a broad spectrum systemic fungicide of the benzimidazole group; it will not have any effect if the problem is not due to fungi;
thiamethoxam is a neonicotinoid insecticide which may control insect vectors of some viruses - if, indeed, an insect transmitted virus is involved.

A large number of pathogens causing diseases of solanaceous crops have been reported from the region (see also previous ProMED-mail posts in the archives). Leaf curling and wilting symptoms may be caused by a number of these. Reliable molecular diagnosis of any pathogen(s) involved is vital in order to be able to design suitable management strategies for the farmers. The problems above may also be due to a combination of pathogens and/or other factors.

Maps

India (with states):

<https://url.emailprotection.link/?bxhKZvLU0Jrpg6QSYMLjDNxcR5ZiODlywjhtDTYBuV09BWjFABuc2Ofa0yVKxvbFaDKaK6JZXs0h0uM-sZc86QR_0oFROTmXyVRSXd78yOJVnKnSTCrdt-F02JA0TgSHq>

Odisha districts:

<https://url.emailprotection.link/?b6t_II7rHqeURY3L4E7-KcBEQZtP1E-RQYF11mo048iiI9gF7Aj18XRH6EaJfkwu9ZvM5N78fhe2X5gTOALHnt7t4CYwGfNKsIh5MlecVj73PXlyE9R5uxtUD29ZXp04z>

Pictures

Symptoms of some capsicum diseases and disorders via:

<https://url.emailprotection.link/?bL28A7kfBeehATt4WGZOL4QuPgr98SNHK2iJRsX-8zxfn8IRI1loXZ7MNmDz21QjPErcFmrp9IftPF7cKbFwAQyKoOTmtY0IMZqAXGCQPakRDzbLhaBHFUlQZnGPwd1Rw>

Links

Information on some diseases of capsicum via:

<https://url.emailprotection.link/?bwUnWsl4yJISiiDMhPpKENoRSNKytPAX7iGbmcV310iKYCYQpogDB0bOQz37a8S747Y8zaa_29u9SjxAGHzF3OAPSRQZCbPUJF4fwzT3xlNOOTLtJ79gyAOXVhIxOZhCp6C-czJp293lFC0Bnw2xnDuX3fQDVmP4p3cuHL5GHB5A~>,

<https://url.emailprotection.link/?bIBiujIrHZey12R_JtL6lsajySIcTjy3wb1KUyURctJOfpb-99JdwZN2GgLHUhrAKVSiQDxzC4gr1P5JhPveC5oqqQ_QRqzejcGjfNH2Kc64uBwzoYhkXR2rwLDN4NLxV>