I am in the process of writing an article about the comparison of diseases attacking organic rice vs non-organic rice. Is anyone working on the same topic? I am lacking references on it.
Dear Debal Deb, sorry for my unclear posting. Yes that is exactly what I meant. Actually we found that the diseases that are attacking organically-grown rice were similar with those attacking chemically-grown rice, but the intensities were lower. We need a comparison data, either supporting or contrary with our findings.
i dont think it is possible to say that there will be different diseases in the same crop... By experience i find that the organic crop is resistant to much attack due to inbuilt physiological mechanisms such as increased salicylic acid content, which is a precursor to aspirin... you may google for salicylic acid in organic produce.....
Tarkus Suganda - OK, so your objective is to compare pathogenic incidence/ frequency and intensity between organic and chemically-grown rice. I have been growing 720 indigenous rice varieties over the past 17 years, and compared their performances with 2 modern varieties on my research farm. Both the incidence and intensity of crop disease are insignificant, and don't even require any disease control measures. Similar studies have been reported in several papers in Organic agricultural journals from the US, several years back, but I cannot give the precise references right away.
Organically grown rice - if that rice variety is inherently resistant to a particular pathogen, then the incident of the disease will naturally be zero or near-zero.
On my own farm, where I grow all 720 varieties of rice, the genetic diversity on-farm itself works to prevent attacks from pests and pathogens, and keep the incidence low. This is what Harlan called "built-in insurance" against pests and diseases. Recent publications on growing several rice varieties together confirms that. You may refer to my "Future of Rice" from Greenpeace International, where you will find some cross references.
I think organically grown rice shows the more tolerance to diseases than inorganically grown rice but if compare these two topics in statistical language the results may not be significant.
I am also interested about organic farming. But I did not carry out any experimnent with rice. I have completed two experiment with tomato and okra.No remarkable deseases were attacked the two crops. However, In future, I want to do with remedial measures against deseases occuring in organically grown crops. ISo if you find any referrences, give me please.
Rice is an important cereal crop and any improvements in cultivation techniques, particularly in organic methods would be helpful to farmers. Keshava Krishi developed by Swami Valmiki Sreenivasa Ayyangarya has successfully tackled biotic and abiotic stress management, which includes pests and diseases in a variety of monocultures like tea, coffee, chillies, amla (Indian Gooseberry),pepper vines,and also rice, including the stem borer pest problem. Each crop has its own array of plant pathogens, pests and related diseases caused by them. Latest advancements in Keshav Krishi include creation of Guruvani formulation from most unlikely toxic effluents, bio solid wastes emnating from households and industries alike. Guruvani is a Sanjivini for all plants. Rice cultivars of any variety and agro climatic and soil conditions can be made to switch to Keshav Krishi's Guruvani formulation. No more need for separate manures or even bio degradable pesticides. Keshav Krishi is extensively applied on a large scale in NE tea plantations and areas of Vidharbha region in Maharashtra.Commercially the agronomics are very attractive due to savings in costs. The technology is Veic Sciences based and Organic Certification is possible even within one crop season.
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