Osetljivost Chenopodium album i Abutilon theophrasti na mezotrion u zavisnosti od fenofaze razvoja

التفاصيل البيبلوغرافية
العنوان: Osetljivost Chenopodium album i Abutilon theophrasti na mezotrion u zavisnosti od fenofaze razvoja
المؤلفون: Dragana Božić, Filip Vranješ, Nikola Arsenijević
المصدر: Acta herbologica (2016) 25(1):27-34
Acta herbologica
بيانات النشر: Centre for Evaluation in Education and Science (CEON/CEES), 2016.
سنة النشر: 2016
مصطلحات موضوعية: 0106 biological sciences, 01 natural sciences, osetljivost, Chenopodium album, Mesotrione, chemistry.chemical_compound, mezotrion, fenofaza, Sensitivity (control systems), 2. Zero hunger, Abutilon, biology, Chenopodium, 04 agricultural and veterinary sciences, General Medicine, 15. Life on land, sensitivity, biology.organism_classification, Abutilon theophrasti, growth stage, Horticulture, chemistry, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Stage (hydrology), mesotrione, 010606 plant biology & botany
الوصف: Growth stage of weeds can significantly affect the level of control at the moment of herbicide application. Maturation of plants usually lead to decreased sensitivity of plants. The aim of this research was to determine whether growth stage of weed species can affect the sensitivity of Chenopodium album and Abutilon theophrasti to mesotrione at the moment of application. Seeds of these species were sown in 5 days interval to ensure that at the moment of herbicide application Ch. album would be in stages of 2, 4, 6, 8 and 10 leaves and A. theophrasti in stages of 1, 2, 3, 4 and 5 leaves. When plants reached this stages herbicide Skaut (mesotrione 480 g/l) was applied in recommended dose rate 0.25 l/ha in tank-mix with adjuvant Alteox wet 40 (mineral oil (500 g/l) and polyoxyethylene alcohol (500 g/l)) in the dose rate 1 l/ha. The results showed that growth stage at the moment of application of mesotrione can significantly affects the sensitivity of both species to herbicide. The application of herbicides in the early growth stages (A. theophrasti - 1 leaf, Ch. Album - 2 and 4 leaves) resulted in total control of plants. With further maturation, sensitivity has decreased, in terms that the lowest effect was noted with A. theophrasti in growth stage of 5 leaves and Ch. album in growth stage of 10 leaves. Fenofaza razvoja korovskih biljaka u momentu primene herbicida može značajno uticati na njihovu osetljivost. Sa starenjem biljke najčešće dolazi do smanjenja osetljivosti biljaka. Obavljena su istraživanja kako bi se utvrdilo da li fenofaza razvoja biljaka u momentu primene mezotriona utiče na osetljivost Chenopodium album i Abutilon theophrasti. Setva semena ovih vrsta je obavljena u razmacima od po 5 dana kako bi se obezbedilo da u momentu primene herbicida biljke Ch. album budu u fazi 2, 4, 6, 8 i 10 listova, odnosno A. theophrasti u fazi 1, 2, 3, 4 i 5 listova. Kada su biljke dostigle navedene fenofaze razvoja primenjen je preparat Skaut (mezotrion 480 g/l) u količini primene 0,25 l/ha, kome je dodat ađuvant Alteox wet 40 (mineralno ulje (500 g/l) + polioksi alkohol (500 g/l)) u količini 1 l/ha. Dobijeni rezultati su pokazali da fenofaza razvoja u vreme primene mezotriona značajno utiče na osetljivost obe ispitivane vrste. Primena herbicida u najranijim fazama razvoja (A. theophrasti - 1 list; Ch. album - 2 i 4 lista) dovela je do potpunog propadanja biljaka. Sa daljim starenjem biljaka osetljivost se smanjivala, tako da je najslabiji efekat utvrđen kod biljaka A. theophrasti u fenofazi 5 listova, a kod biljaka Ch. album u fenofazi 10 listova.
وصف الملف: application/pdf; txt
تدمد: 0354-4311
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::109841d53bf35e263504b8b292a4870b
https://doi.org/10.5937/actaherb1601027v
حقوق: OPEN
رقم الأكسشن: edsair.doi.dedup.....109841d53bf35e263504b8b292a4870b
قاعدة البيانات: OpenAIRE