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Indigenous Rice Disease Management

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1.    For controlling bacterial leaf blight (BLB) in rice , farmers make a slurry of 20 kg cow dung in 200 liters of water and filter it through a gunny bag. They further dilute the filtrate with 50 liters of water and allow it to stand. The filtered water is then decanted, strained and sprayed on healthy plants to check the spread of disease in Uttar Pradesh. Reported by    Rath(1992)
2.    Banki disease of paddy is common   in Okhargarha village of Kanke  Block of Ranchi district of Jharkahnd.. Leaves of neem which has insecticidal property are  spread  in the field  to control  bankii and   success has been  observed  in more than 50 percent of  the cases. Cost benefit ratio of this practice is 1:6 approximately. Reported by Rajiv Kumar Jha(1998)
3.    Farmwomen of Mishing tribe of East Siang district, Arunachal Pradesh spread the leaves of markati plant (Baccaurea ramiflora) randomly after transplanting paddy in the field. By spreading these leaves, the paddy crop is saved from various diseases and the insects are repelled from paddy field. This practice is used since time immemorial and 80-85 percent of  farmers rely on this practice. Reported by  Ranjay. K .Singh(2000)
4.    The blast disease of paddy is caused by a fungus, Pyricularia oryzae. To control this fungus, 2-3 kg bark of kavlusaraka (Careya arborea) is crushed in water. About 500 ml juice extract of this bark is mixed with 15 litres of water and sprayed on the affected crop. Three sprays each after 12 days interval are required to control blast in paddy. This prevalent in Andhra Pradesh. Reported by Purushottama Rao(2003)
5.    Soaking the paddy seeds in diluted cow’s urine before sowing, considerably reduces  the incidence  of leaf spot  and rice blast. This is practiced in Tamil Nadu.  Reported by Centre for Indian Knowledge Systems(2000)
6.    Farmers  broadcast 50 kgs of common salt /acre of paddy field to control leaf spot disease. This practiced in West Bengal. Reported by Pradhan(1998)
7.    To control rice blast disease 1 kg of Malabar nut leaves          (Adathoda vasica )  are boiled in 10 liters of water  for 30 minutes, strained and mixed with 60-70 liters of water and sprayed on the infected field. This is practiced in Kerala and Tamil Nadu. Reported by Centre for Indian Knowledge Systems(2000)
8.    To control rice blast disease 5-10 kgs of marigold (Tegetes Spp) are put into a drum and filled with water and allowed to stand 5-10 days with regular stirring. One liter of strained water is  mixed with one tea spoon of soap  and sprayed in the infected field to control blast. This popular among the rice farmers in Kerala. Reported by Centre for Indian Knowledge Systems(2000)
9.    Application of neem cake as basal manure helps  to protect rice crop  from brown plant  hopper  at the latter stage as reported by the farmers of Tamil Nadu. Reported by Balasubramanian(1988)
10.    The tribal rice farmers use the smoke of mahua  (Madhuca indica)  oil cake  to control ‘paddy blight”. Reported by Rajiv K. Sinha(1988)
11.    Khaira disease is caused by mineral deficiency. About 2-3 kg of lime and one bucket of cow dung  are mixed  in 200 liters of water. This solution is sprayed on the affected crop of the paddy. One spray controls the disease by 50%. Farmers use this indigenous practice  to control  the disease. Reported by Shagufa Jamal(2003)
12.    A solution is made up of extract of 1 kg of  garlic, 200 g tobacco leaves  and 200 g of washing powder  dissolved  in 200 liters  water is sprayed on the affected  crop of paddy. One spray controls   the insect pest  by 80 percent. This practice is used by the progressive farmers  and well to do  farmers  in Bareilly  and Badaun districts of Uttar Pradesh. Reported by Shagufa Jamal(2003)
13.    Cow dung  is mixed  with water  thoroughly  and kept  for 3-4 hours  till the coarse  materials settled down. The  solution on top is  filtered  and sprayed  on paddy  leaf  for control  of BLB . Bactericidal action  of  cow dung  help to reduce the population  of the bacteria (Xanthomonous Sp). This practice  is adopted  by most of the farmers of  Koipuram, Ezumattoor of Pathanmathitta district, Kerala. Reported by  George Thomas(2003)

File Courtesy: 
Indigenous Technical Knowledge in Rice Cultivation. P. Muthuraman and Shaik. N. Meera
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