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Type of publication: Straipsnis Clarivate Analytics Web of Science Master Journal List / Article in Clarivate Analytics Web of Science Master Journal List (S2)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Kosteckas, Raimondas;Liakas, Vytautas;Šiuliauskas, Albinas;Rauckis, Vytautas;Liakienė, Elena;Jakienė, Elena
Title: Effect of Pinolen on winter rape seed losses in relation to maturity
Is part of: Agronomy Research. , 2009, Vol. 7, special issue 1
Extent: p. 347-354
Date: 2009
Keywords: Winter rape (Brassica napus var. oleifera);Pinolen;Carbamate;Seed loss;Seed productivity
Abstract: Research objective: To determine the effect of Pinolen (Aventrol) and carbamate solutions on winter rape seed yields under Lithuanian conditions. Research place and time: Bariunai agricultural holding, Joniskis region., Lithuania. Trials were carried out in 2007-2008. Trial field soil: JDg8-K(LVg-p-w-cc) Calc(ar)i-Epihypogleyic Luvisols. Research methods: Field trials, and biometric analysis of rape plants. Research data evaluation: Two-year research data confirmed the hypothesis of the authors that, in the winter rape crop, leaf-spray fertilization with Pinolen (0.5-1.0 l ha-1) solutions three weeks before crop maturity results in the formation of an elastic capsule around the siliques and prevents them from splitting open with consequent loss of seed. Pinolen efficacy is greater in disease or pest damaged crops, and crops harvested late. From the economic and labour planning points of view, leaf-spray fertilization of winter rape with Pinolen should be combined with additional leaf-spray fertilization with carbamate solutions (20 kg ha-1). Leaf-spray fertilization of winter rape with Pinolen (1.0 l ha-1)+carbamate (20 kg ha-1) solutions resulted in seed yield increases: in the 2007 trial by 0.64 and in the 2008 trial by 0.320 t ha-1. Of the total seed augmentation, the Pinolen effect accounted for 33.3%. The protective efficacy of the capsule starts to decrease five weeks after leaf spray fertilization of the crop with these solutions
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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