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Articles by B. Sirisha
Total Records ( 3 ) for B. Sirisha
  B. Sirisha , M. Kishore Babu and V. Gowthami
  Farmers are playing a vital role in contributing to the Indian economy. But now-a-days the situation has changed as the performance and productivity of farmers gone down than expected (i.e.) due to lack of awareness and knowledge on modern agricultural farming methods and technology. It is well known that most of the farmers in India are illiterates, unable to compete with the present changing environment which leads to less productivity. Due to illiteracy farmers are unable to identify whether the seeds are original or spuriousand also to analyse the market position of particular agri-inputs (i.e.) seed. The government is providing various schemes and subsidies to farmers but only a few people who are educated were making use of them. So, the objective of this study is to find out that is there any relationship between literacy of farmers and purchase decision of farmers in buying agricultural inputs (i.e.) seed. Sample taken for study is from Nallapadu Village, Guntur Andhra Pradesh, India with 200 sample size. Kruskal’s Gamma Method is used for result analysis. Study resulted that there is relation between literacy of farmers and purchase decision of farmers while buying agri-inputs (i.e.) seed.
  K. Siva Kumar , R. Haritha , A. Swathi , B. Sirisha and T. Ramana
  A new isolate of actinomycete has been isolated from marine sediment sample collected from Bay of Bengal near Visakhapatnam coast, as a result of screening actinomycete isolates producing antimicrobial compounds. The isolate exhibited broad spectrum of antimicrobial activity against the pathogenic bacteria and fungi used in the study. The isolate exhibited bluish green to light blue aerial mycelium with long spore chains which are non-motile spores with spiny surfaces. Growth of the isolate occurred in 2-7% (w/v) NaCl at pH 5.2-10.0 and at 25-42°C. The predominant menaquinones are MK-9 (H6) (81%) and MK-9 (H8) (19%) and the major cellular fatty acids were anteiso-C15:0, iso-C16:0 and iso-C15:0. The DNA G+C content of the strain was 64.5 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that the strain belongs to genus Streptomyces, with highest similarity to Streptomyces coeruleorubidus NBRC 12844T (99.5%). Based on the physiological, biochemical and chemotaxonomic tests, the actinomycete was identified as an isolate of Streptomyces coeruleorubidus sp. from marine sediment.
  B. Sirisha and M. Kishore Babu
  Increasing population put a greater demand on the agricultural production. At present India is facing a challenge of increasing the productivity per unit area, since the area under agriculture is decreasing due to industrialisation and urbanisation. A single largest contributor for increasing the productivity is the seed. This is the first and foremost source of all the food, stands between survival and starvation. A wider appreciation of the importance of seeds and their vital importance in agricultural will pave for economic prosperity. Andhra Pradesh has excellent climatic conditions suitable for the production of seeds of all the crops varieties. The seed replacement rate for the cotton crop is 100% in the year 2015. This shows the tendency of farmers opting for purchasing the quality seeds, instead of depending on own production which thus created a demand for the marketing of seeds in the country.
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