Wednesday, 20 June 2018
Rice Info.
* Rice: Oryza sativa,
* chromosome no: 24
* cultivated sp.: sativa and glaberima
* protein (oryzein) content: 6 - 7%, Rice protein is high in cysteine and methionine, low in lysine.
* indica : india, japonica in japan, javanica in indonesia
* rice inflorescence is : panicle
* opt. Tempr. : 30-32०C
* soil pH: 4-6
* sowing of paddy: April-May Harvesting: August-september, then it is Aus/Autumn/Pre-Kharif Paddy
* Gas emitted from rice field: Methane
* weed caused relatively more loss in rice productivity when it is direct seeded
* most dominated weed: Echinochloa spp
* common herbicide: Anilophos and Butachlor
* Polish Percentage of rice is: 2%
* Khaira disease: Zn deficiency
* Akiochi disease: H2S toxicity
* White eye of rice: Fe deficiency
* Dead Heart and White Ear of rice is caused by Yellow Stem Borer
* killer disease; bacteria leaf blight, tungro virus
* Hydrothermal process of rice which saves vitamin B12: Parboiling
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