Naslov
Influence of soil reaction on manganese content in grapevine

Autori
Čoga, Lepomir ; Slunjski, Sanja ; Herak Ćustić, Mirjana ; Petek, Marko ; Gunjača, Jerko

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstract / Correia, Pedro Jose ; Pestana, Maribela - Faro, 2008, 55-55

ISBN
1-111-11111-1

Skup
VI International ISHS Symposium on Mineral Nutrition on Fruit Crops

Mjesto i datum
Faro, Portugal, 19.05.2008. - 23.05.2008

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
manganese, soil reaction, grapevine, must

Sažetak
Influence of soil reaction on vine manganese content was investigated on Sauvignon variety in the Plešivica vine-growing region (Northwestern Croatia) in 2007. The trial was set up according to the strip-plot design with three replications, on two different soils: vitisol - dystric cambisol, pseudogleyic (pH KCl 3.95) and vitisol - rendzina on marl (pH KCl 7.35). Total manganese in acid soil ranged from 543 mg Mn kg-1 (0-30 cm) to 593 mg Mn kg-1 (30-60 cm), and in calcareous soil from 526 mg Mn kg-1 (0-30 cm) to 539 mg Mn kg-1. Identical tillage, fertilization and vine protection were applied in both vineyards. Manganese concentration in vine leaves was determined three times in the course of the growing period: at the flowering and verasion stages, and at the end of the growing period. At the end of the growing period (harvest), manganese content was also determined in must, mark and in cluster stem. At all samplings, significantly higher leaf manganese concentrations were determined on acid soil compared to calcareous soil. The highest leaf manganese concentrations were determined at the verasion stage on acid soil and were 3 to 5 times higher than optimal concentrations (30- 100 mg Mn kg-1). Manganese concentration in must was 2.3, in mark 2.1, and in cluster stem as much as 5.3 times higher on acid soil than on calcareous soil. Significantly lower manganese concentrations in must and mark than in leaves and cluster stems may indicate translocation of manganese from leaves and stems into berries.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)

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