Applied Research of Pseudomonas protegens KBD-3 in Crop Disease Control and Selenium-Enrichment
In order to screen the microorganisms with good control effect for crop disease control and develop a safe way of selenium supplementation for the production of selenium-rich agricultural products,the disease resistance and nano-selenization of Pseudomonas protegens KBD-3 were studied.The results showed that the KBD-3 bacterial solution had good inactivation effect on tobacco mosaic virus(TMV),the inhibition rate was 95.77％,and had a good inhibition effect on Ralstonia solanacearum with the relative control effect on tobacco bacterial wilt reaching 70.89％.In addition,KBD-3 could reduce sodium selenite to nano-selenium,and the selenium content of mung bean sprouts treated with nano-selenium solution was greatly increased.These indicated that KBD-3 did not only provide a new microbial resource for crop disease control,but also could be used for selenium-rich cultivation of crops.
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