Abstract
The study was conducted in 2022 and 2023 at the experimental sites of the Saimasai agropark and KazNIIZiR LLP in the Almaty region.
To study and determine the initial breeding material in 267 varietal samples, a collection of cereals and legumes was created, including: 79 samples of peas.
An effective strategy for controlling plant diseases requires careful study of pathogens, including their biology, ecology and variability. Legume diseases significantly reduce yields and, consequently, farmers' incomes. Fungal plant pathogens have been reported to cause significant losses of legumes worldwide. The most common fungal pathogens of legumes are: common root rot (Aphanomyces euteiches), root rot (Pythium ultimum and Rhizoctonia solani), fusarium (Fusarium oxysporum f. sp. pisi және Phoma medicaginis var. pinodella), ascochytosis (Ascochyta pisi).
The spectrum and degree of spread and development of diseases occurring in the south-east of Kazakhstan have been determined, due to which ascochitosis, fusarium and root rot are the most common diseases of leguminous crops.
Resistance to a complex of diseases of grain and legume varieties was assessed, 79 pea specimens were found on a natural background in 2022. By the end of 2023, the number of samples increased even more, reaching 79 samples of pea samples. Artificial inoculation with spores of the pathogens of the above diseases was also performed and the resistance of pea varieties to them was evaluated. A number of highly resistant varieties were identified from 25 pea samples for subsequent breeding programs studied against an artificial infectious background, and a collection of highly resistant legume varieties was compiled.
01 Introduction
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02 References
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