The problems of corn production caused severe losses of foliar diseases eg. streak,
leaf blight, gray leaf spot and rust. The study was done to reduce disease incidence and
increase the productivity of corn grown in the new reclaimed region. The application of
biocontrol agents (Rhodotorula glutnis, Paenibacillus polymyxa, Bacillus subtilis,
Pseudomonas putida ,Trichoderma harzianum and Marin actimycete ) and natural products
(potassium silicate and amino acids eg. L-arginine-L-methionine, L-ornithine were clearly
investigated. All biological products were actively antagonized the tested fungal pathogens
which isolated from corn. Biological and natural products application are improved
disease management, yield and quality. P. polymyxa and P. putida are significantly
promoted the growth of corn. P. putida, P. polymyxa and natural compounds were proved
to be effectively increased total phenols, total soluble protein, chitinase and peroxidase.
The protection level of biological treatments in combination with application of natural
products was as effective as the application of biological agents alone.
Keywords
Biological products, Natural products, Corn
INTERNATIONAL JOURNAL OF AGRICULTURAL TECHNOLOGY
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