Pyricularia as the most harmful fungal disease that affects rice. Characteristics of rice varieties that are genetically protected from piricularia and do not require chemical protection from this disease. Analysis of the non-pesticidal technology.
Rice blast control with release of resistant varieties Introduction For the population of Russia rice grain is a valuable food, dietary and wholesome product [9]. The main rice-growing area in the country is the Krasnodar Territory. It produces more than 80% of Russian rice. In the last 5-7 years, rice growing dynamically develops every year increasing the yield capacity and rice paddy. In 2012 the rice farms of Krasnodar Territory got the record yield of 7.11 t/ha from 133,300 ha of the rice sown area. This is made possible through the introduction of new high-yielding rice varieties and improvement of rice cultivation including harvesting with modern rotary combines. A further increase in rice production is constrained by several factors, one of them being rice diseases and, above all, rice blast frequent in the majority of the rice-growing countries. The most effective way to combat the disease is to create and release to farmers rice varieties resistant to blast [10]. In the then USSR rice breeding aimed
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