Impact of Some Mixtures between Foliar Fertilizers and Antibroadleaved Herbicides on the Sowing Properties of the Durum Wheat Sowing-Seeds | ОТРАЖЕНИЕ НА СЪВМЕСТНАТА УПОТРЕБА НА ЛИСТНИ ТОРОВЕ И ПРОТИВОШИРОКОЛИСТНИ ХЕРБИЦИДИ ПРИ ТВЪРДАТА ПШЕНИЦА ВЪРХУ ПОСЕВНИТЕ СВОЙСТВА НА СЕМЕНАТА
2012
Delchev, G., Institute of Field Crops, Chirpan (Bulgaria)
The research was conducted during 2007-2009 on the experimental field of the Field Crops Institute, Chirpan, Bulgaria, on Pellic Vertisol soil type. Under investigation was Bulgarian durum wheat cultivar Zagorka, which belongs to var. valenciae. Factor A included no treated check and 3 foliar fertilizers – Lactofol O - 8 l/ha, Terra-sorb – 3 l/ha, Humustim – 500 ml/ha. Factor B included weeded no treated check and 5 herbicides - Derby - 70 l/ha, Secator – 300 g/ha, Sunsac – 1 l/ha, Lintur – 150 g/ha, Granstar – 25 g/ha. The weak adhesion of Granstar required its application with adjuvant Trend – 0.1%. All of foliar fertilizers, herbicides and their tank-mixtures were treated in tillering stage of the durum wheat. It was found that tank mixtures between foliar fertilizers Lactofol O, Terra-sorb, Humustim and antibroadleaved herbicides Derby, Secator, Sunsac, Lintur, Granstar increase germinative energy of durum wheat sowing-seeds. Seed germination is not change by influence of investigated variants. The most increase of roots and coleoptiles length are given tank mixtures Lactofol O + Derby, Lactofol O + Lintur, Terra-sorb + Secator, Terra-sorb + Granstar, Humustim + Derby and Humustim + Sunsac. These mixtures proved decrease waste grain quantities. There is a synergism by combined use of Lactofol O with Lintur and Derby, Terra-sorb with Granstar and Humustim with Sunsac and Derby. At this mixtures are obtained the most increase of grain yield.
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