THE EFFECT OF CLIMATE CHANGES IN THE NORTHWEST OF THE COUNTRY ON THE MANIFESTATION OF YELLOW RUST (PUCCINIA STRIIFORMIS F. SP.TRITICI) IN THE TRITICALE CROP
DOI:
https://doi.org/10.1199/1535gs83Keywords:
triticale, attack, resistence, yellow rustAbstract
Triticale, thanks to more extensive studies, have started to be used in many other fields than those known in the past. They are used in fields such as: medicine, bakery, biofuel, alcohol, cellulose industry etc. especially in the winter months and the absence of negative temperatures during the winter period, led to the appearance of the attack of yellow rust (Puccinia striifomris f. sp. tritici) including the triticale crop. At A.R.D.S. Livada, within the complex ecological testing of triticale, 17 varieties of triticale werw tested in comparative cultures during 2020-2023 and highlighting the degree of attack and the obtained production were taken into account. It was concluded that the manifestation of the yellow rust attack was non-existent or almost non-existent in the years 2021 and 2022 when temperatures in the winter periods were negative and the pathogens were destroyed. In 2023, when the average temperatures in the winter months were positive, the triticale plants showed a degree of yellow rust attack of up to 75%, which led to a drastic decrease in the productions obtained. In 5 of the 17 varieties tested, productions below 1000 kg/ha were recorded. The most resistant variety of triticale was the Zaraza variety, which, even in the climatic conditions that favored the intense manifestation of the yellow rust attack, confirmed a good genetic resistance (GA 6.5%), a resistance that led to obtaining productions of over 8500 kg /ha.References
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