ИЗСЛЕДВАНИЯ ВЪРХУ ПОЛСКИТЕ КУЛТУРИ
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ДОБРУДЖАНСКИ ЗЕМЕДЕЛСКИ ИНСТИТУТ
гр. Генерал Тошево
 

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 Пълна версия ORIGINAL PAPER
 
Influence of LEBOSOL - BOR foliar fertilizer on some agrobiological and technological parameters Prista dessert cultivar
  Galina Dyakova • Ralitsa Mincheva • Svetlana Stojanova  
Institute of Agriculture and seed science „Obraztsov chiflik”, 7007 Rousse, 1, Prof. Ivan Ivanov Str., Bulgaria
 
     Резюме
 
Part of the technology in growing of fruit-bearing vineyards is to provide plants with the necessary nutrients. The base fertilization imports in the soil the main elements - nitrogen, phosphorus and potassium, and via the foliar fertilization vine needs of nutrients are satisfied during the critical periods of its development. Foliar fertilizers have a faster effect on plants as they are directly assimilated by leaves and fruits. The rich range of complex foliar fertilizers for vine is designed to satisfy the specific needs of the fruiting plantations. They are enriched with magnesium, iron, boron and other elements. The feeding up with foliar fertilizers in vineyards can also be combined with plant protection measures intended for control against diseases and pests. The objective of the study was to determine the influence of Lebosol - BOR on some agrobiological and technological traits of vines of Prista dessert cultivar. The experiment was carried out during the period 2014-2015 at the Experimental vineyard of IASS “Obraztsov chiflik” on an area of 0.5 da in Prista dessert cultivar, with vines grafted onto S04 rootstock. The treated vines were fruiting and with half-standard Guyot formation, at a planting density of 1.20 m / 2.70 m. The experiment included a variant with treatment with Lebosol – Bor liquid fertilizer and a control, in three replications, 5 pcs vines each. The analysis of the obtained and averaged values for the reported traits of fertility and quality in the treated and control variants of cv Prista showed a slight overrun in some agrobiological and technological traits registered in the vines treated with Lebosol - Bor in comparison with the control (untreated) vines. The differences were significant in the trait “average number of clusters per a vine”.

Key words: Foliar fertilizer, Fertility, Grape quality, Vine