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The earliest known report of ''bakanae'' is from 1828; it was first described scientifically in 1898 by Japanese people, Japanese researcher Shotaro Hori, who showed that the causative agent was fungal.A Short History of Gibberellins
at Plant-Hormones.info The fungus affects rice crops in Asia, Africa, and North America. In epidemic cases yield losses may reach up to 20% or more. A 2003 publication from the International Rice Research Institute estimated that outbreaks of bakanae caused crop losses that were 20% to 50% in Japan, 15% in Thailand and 3.7% in India.
The "Bakanae" Disease
Rice diseases {{plant-disease-stub
Japanese
Japanese may refer to:
* Something from or related to Japan, an island country in East Asia
* Japanese language, spoken mainly in Japan
* Japanese people, the ethnic group that identifies with Japan through ancestry or culture
** Japanese diaspor ...
for "foolish seedling", is a disease
A disease is a particular abnormal condition that adversely affects the structure or function (biology), function of all or part of an organism and is not immediately due to any external injury. Diseases are often known to be medical condi ...
that infects rice plants. It is caused by the fungus ''Gibberella fujikuroi'', the metabolism of which produces a surplus of gibberellic acid. In the plant, this acts as a growth hormone, causing hypertrophy. The affected plants, which are visibly etiolation, etiolated (long and weak stems), chlorosis, chlorotic (lacking chlorophyll), and which are at best infertile with empty panicles, producing no edible grains; at worst, they are incapable of supporting their own weight, topple over, and die (hence "foolish seedling disease").
The earliest known report of ''bakanae'' is from 1828; it was first described scientifically in 1898 by Japanese people, Japanese researcher Shotaro Hori, who showed that the causative agent was fungal.at Plant-Hormones.info The fungus affects rice crops in Asia, Africa, and North America. In epidemic cases yield losses may reach up to 20% or more. A 2003 publication from the International Rice Research Institute estimated that outbreaks of bakanae caused crop losses that were 20% to 50% in Japan, 15% in Thailand and 3.7% in India.
References
External links
The "Bakanae" Disease
Rice diseases {{plant-disease-stub