Meeting the Challenge of Yellow Rust in Cereal Crops - ICARDA

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Researching the influence of antifungal characteristics of
copper component on the wheat
H. H. Kushiev, U. Berdalieva and O. Yunusov
Gulistan State University of the Republic of Uzbekistan
The phytopathological situation has become aggravated because of
epiphytological spreading of fungi (yellow and leaf rusts and tan spot) and
others that cause considerable economic damage, reducing the harvest and
quality of wheat grain in Central Asia in recent years. Wheat rust disease
causes significant damage to wheat each year. This shows the necessity of
intensifying scientific research to create new, highly efficient chemicals for
control of this disease. Combating rust diseases has been accomplished by
cultivating varieties with stable yields and using chemical means to control
disease. It should be noted that there are very few stable varieties resistant to
this disease among the cultivars grown. Currently there is considerable interest
in developing chemical preparations that both stimulate increased plant phytoimmunity
and have positive fungitoxic effect against the wheat rust. When we
used a preparation containing copper, positive results were observed that
included slowing the development of rust fungi, including rust disease of
wheat. According to preliminary data, the preparations help not only to resist
rust, but use of this preparation as a seed dressing at 0.01% dose level
improved productivity and raised the quantity of grains in the spike. The crop
yield increased. This shows that there is a need to develop the preparation for
application during the wheat growing period.