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- Title
RELATION OF YIELD AND GRAIN HARVEST INDEX IN WHEAT BY WEED INFLUENCE ASPECT.
- Authors
Nikolić, Olivera; ivanović-Katić, Snežana; Jelić, Miodrag; Ðalović, Ivica
- Abstract
The aim of this investigation was to study the relation of yield and grain harvest index in wheat by weed influence aspect in order to provide more data on their relationship. Three wheat cultivars were involved in this investigation, namely Takovčanka, Gruža and Pesma. The following weed species were tested for their influence on wheat productive traits: Cirsium arvense, Avena fatua, Consolida regalis, Sinapis arvensis, Sonchus arvensis, Daucus carota, Setaria glauca and and Datura stramonium. The 15 seeds per weed species were sown simultaneously with wheat (25 seeds). The grain yield decrease was statistically significant for Avena fatua and Cirsium arvense var., and highly significant for others, compared to weed - free control. The most expressive grain harvest index decreasing was noticed in Sinapis arvensis var. Gruta expressed the highest tolerance towards weed influence, according to grain yield, although Pesma was the least sensitive towards weed, considering GHI values.
- Subjects
GRAIN varieties; PLANT ecology; WEED control; WHEAT; CARROTS; CROP yields
- Publication
Herbologia, 2011, Vol 12, Issue 1, p141
- ISSN
1840-0809
- Publication type
Article