INFLUENCE OF SOME MIXTURES BETWEEN RETARDANTS AND COMBINED HERBICIDES ON THE GRAIN YIELD AND GRAIN QUALITY OF DURUM WHEAT
Grozi D. Delchev, Galia D. Panayotova
Strony: 311-317
Opublikowano: 1 Jan 2010
Wyświetlenia: 129
Streszczenie: The research was conducted during 2007-2009 on the experimental field of the Cotton and Durum Wheat Research Institute, Chirpan, Bulgaria, on pellic vertisol soil type. Factor A included no treated check and 5 retardants – Stabilan (chlormequat) - 200 ml/da, Flordimex extra (ethephon) – 75 ml/da, Vivax (chlormequat + ethephon) – 170 ml/da, Cycocel extra (chlormequat + cholinechloride) – 150 ml/da, Terpal (ethephon + mepiquat) – 300 ml/da. Factor B included weeded no treated check and 3 herbicides - Hussar max (mesomax + iodosulfuron) - 25 g/da, Logran extra (terbutrin + triasulfuron) – 50 g/da, Glean (chlorsulfuron) – 1.5 g/da. All of retardants, herbicides and their tank-mixtures were treated in tillering stage of the durum wheat. The weak adhesion of Hussar max required its application with adjuvant Genapol in dose 50 ml/da. Under investigation was Bulgarian durum wheat cultivar Progress, which belongs to var. leucurum. Herbicide Logran Extra can not be mixed with retardants containing chlormequat - Stabilan, Vivax and Cycocel extra. There is antagonism at mixtures of Hussar max with Flordimex extra and Glean with Terpal. These mixtures, in addition to reduce the grain yield, did not show any retardant effect in durum wheat. Best defence against a lodging in cultivar Progress in the fertilization rate with N12 have the tank-mixtures Cycocel extra + Hussar max, Cycocel extra + Glean and Terpal + Logran extra. 1000 grain weight, protein and dry gluten quantities are decreased by tank-mixtures of retardant Flordimex extra with herbicides Hussar max and Logran extra. Wet gluten quantity is decreased by tank-mixture of Flordimex extra with Glean.
Słowa kluczowe: durum wheat, retardants, herbicides, grain yield, structural elements of the yield, plant lodging, grain quality
Cytowanie artykułu: Grozi D. Delchev, Galia D. Panayotova. INFLUENCE OF SOME MIXTURES BETWEEN RETARDANTS AND COMBINED HERBICIDES ON THE GRAIN YIELD AND GRAIN QUALITY OF DURUM WHEAT. Journal of International Scientific Publications: Materials, Methods & Technologies 4, 311-317 (2010). https://www.scientific-publications.net/en/article/1003384/
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