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Thesis On Bacterial Leaf Blight Of Rice

Bacterial blight is one of the most serious diseases of rice. The earlier the disease occurs, the higher the yield loss.

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Bacterial blight - IRRI Rice Knowledge Bank

In the future, weathering can leach out or expose the radioactive contamination located in these public parks and green areas.

Just another mad idea in my opinion.

Video example:

Mind you, they have already been burying contaminated soil in parks & green areas in Japan!


11.03.2017 - Struggling With Japan’s Nuclear Waste, Six Years After Disaster


Six years after the largest nuclear disaster in a quarter-century, Japanese officials have still not solved a basic problem: what to do with an ever-growing pile of radioactive waste.

400 Tons of Contaminated Water Per Day

But the decontamination filters cannot remove all the radioactive material.

oryzae, the pathogen of bacterial blight of rice, from major rice growing areas of U.S.

Mukhopadhyay (1980) measured the bacterial, fungal, andactinomycete populations of soils supporting rice or maize plants whichhad been treated with various herbicides for weed control.

Bacterial leaf blight (BLB) of rice | agropedia

oryzae, plant pathogens, bacterial diseases, blight, rice, tarai, Uttarakhand

Promoting produce from Fukushima, a Tokyo store lists the cesium levels beside the price— just one way life has changed a year after an earthquake, tsunami and nuclear accident struck Japan.

09.05.2013 - Sr-90 measured in children’s food not reported even though it was detected, Fukushima government says it is not dangerous level.

09.05.2013 - Eels from Ibaraki Japan

09.05.2013 - Minamisom municiple goverment fails to release latest food contamination data, last reports where for 7,150 Bq/Kg for Shiitake mushrooms, and3,080 Bq/Kg for acanthopanax sciadophylloides.

08.05.2013 - Citizen’s lab analyzing 6,886 food samples since 7 2011 found the average contamination of food samples in Nagano was 154 Bq/Kg, This is 150% the Japanesesafety limit.

This is alarming since they lifted the food restrictions on Fukushima grownrice Aug 2014.

17.05.2013 - River eels caught with high amounts of detected Cesium, Tokyo Japan

16.05.2013 - Burly and native leaf tobacco Fukushima and Iwate Japan

13.05.2013 - Fukushima’s Food Fallout: Testing Groceries for Radiation in Japan.

Management of Bacterial leaf blight of Rice | agropedia

oryzae causing bacterial leaf blight of rice in Bangladesh and screening of some exotic rice genotypes against the pathogen

According to Import Alert 99-33 issued by US FDA, a list of Japanese food will bebanned unless they pass physical examination, which includes milk, butter, milk-based infant formula, and other milk products; vegetablesand vegetable products; rice and whole grain; fish; meat and poultry; venus clam; sea urchin; yuzu fruit; Kiwi fruit.

Exposure models ignoring these isolated hot particles would potentially understate human radiation dose.


There is a short audio presentation on how the testing was done, at the bottom of the right hand column of the page.

03.05.2017 - Nuclear Reactor Wastewater Will End Up In Your Drinking Water


The council voted four to two in favor of the decision to process 70,000 gallons of nuclear reactor wastewater in its public sewer system.

Yield loss due to bacterial blight can be as much as 70% when susceptible varieties are grown, in environments favorable to the disease.
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    Bacterial leaf blight: Xanthomonas oryzae pv. oryzae (Ishiyama) Swing et. al. (Pseudomonadales: Pseudomonadaceae)

  • Bacterial leaf blight (BLB) of rice caused by Xanthomonas ..

    Current Status and Future Prospects of Research on Bacterial Blight of Rice. Annual Review of Phytopathology

  • Rice bacterial leaf blight: Field experiments, sys- Rep

    Exploring and Characterizing Major Resistance Genes for Northern Leaf Blight in ..

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Inheritance of resistance to rice bacterial leaf blight

It is commonly observed when strong winds and continuous heavy rains occur, allowing the disease-causing bacteria to easily spread through ooze droplets on lesions of infected plants.

Bacterial Leaf Blight Disease in Rice - Farm Extension …

To distinguish kresek symptoms from stem borer damage, squeeze the lower end of infected seedlings between the fingers. Kresek symptoms should show yellowish bacterial ooze coming out of the cut ends. Unlike plants infested with stem borer, rice plants with kresek are not easily pulled out from soil.

Bacterial blight is one of the most serious diseases of rice

When plants are infected at booting stage, bacterial blight does not affect yield but results in poor quality grains and a high proportion of broken kernels.

002 control options for rice bacterial panicle blight, ..

Diseases of tomato caused by bacteria, viruses and nematodes can be severe, reduce tomato yield and quality and generally are more difficult to control than those caused by fungi. Management of these diseases is most effective with the integrated use of practices such as crop rotation, resistant varieties, sanitation and disease exclusion. The intent of this fact sheet is to aid tomato growers in the identification of diseases caused by bacteria, viruses and nematodes, and to provide guidelines for their management. Chemical control strategies that may be required are updated annually in the OSU Extension Agents’ Handbook of Insect, Plant Disease and Weed Control (Circular E-832).

on the bacterial leaf blight of rice, ..

Bacteria are microscopic, single-celled organisms. Bacteria multiply rapidly by simple cell division and absorb nutrients from their immediate environment. Bacterial pathogens are introduced to new sites on contaminated seed or transplants. Once established, bacteria are spread by splashing rain, water runoff, wind-driven rain or mists (aerosols), equipment, insects and people working around the plants. Bacteria persist in and around tomato plantings in weeds, volunteer plants, infested crop debris and as symptomless colonizers of plant surfaces.


Bacterial spot is a widespread disease of tomato in Oklahoma, and can be particularly severe in eastern Oklahoma, where rainfall and humidity levels promote disease development. Bacterial spot reduces tomato yield and quality by defoliation and spotting of fruit. Bacterial spot is also a serious disease of pepper. The bacteria survive on diseased plant debris and on tomato seed. Leaves, stems and fruit may be infected at any growth stage when plants are wet and temperatures range from 75 F to 86 F. The bacteria enter plants through natural openings or wounds. Leaf spots are dark brown in color, appear greasy when leaves are wet and rarely exceed 1/8 inch in diameter (Figure 1). The leaf spots produced in bacterial spot are nearly identical to those of bacterial speck, and are similar to the initial symptoms of the fungal disease Septoria leaf spot. Bacterial spots lack the grey centers typical within older leaf spots caused by Septoria. A general yellowing of heavily spotted areas on leaves occurs, followed by leaf scorch. Blighting (rapid death) of foliage progresses upward from the lower leaves on heavily infected plants. Fruit spots are conspicuous on green fruit and appear raised and scabby, dark brown in color, and are up to 1/3 inch in diameter (Figure 2). Spots on ripe fruit are similar except they are sunken.

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