o:7860
Uticaj folijarnog prihranjivanja na hemijski sastav nekih sekundarnih metabolita grožđa
doktorska disertacija
Influence of foliar feeding on chemical composition of some secondary metabolites of grape : doctoral dissertation
sr
Vinova loza (Vitis vinifera L., familija Vitaceae), globalno, je jedna od
najznačajnijih voćaka zbog velike upotrebne vrijednosti grožđa. Grožđe i proizvodi od
grožđa predmet su mnogih savremenih istraživanja, posebno zbog biološki aktivnih
sekundarnih metabolita. Među ovim jedinjenjima se izdvajaju fenolna jedinjenja zbog
izraženog antikancerogenog, antimutagenog, antiinflamatornog, antialergijskog i
antimikrobnog djelovanja. Iako je fenolni sastav genetski određen, sadržaj fenolnih
jedinjenja kao sekundarnih metabolita umnogome zavisi od primijenjenih agrotehničkih
mjera, ali i uslova životne sredine. Od posebnog značaja su istraživanja vezana za
mogućnost uticaja na akumulaciju fenolnih jedinjenja, kao na primjer preko primjene
različitih formulacija, doza i kombinacija đubriva.
Glavni cilj ove doktorske disertacije bilo je ispitivanje hemijskog sastava grožđa
i praćenje uticaja folijarnog đubrenja sa fosforom i kalijumom na sadržaj fenolnih
jedinjenja, kao i šećera i organskih kiselina. Imajući u vidu da su P i K od krucijalnog
značaja za sintezu ugljenih hidtrata, kao i transport asimilata do skladišnih organa,
očekivan je pozitivan efekat na akumulaciju primarnih, a indirektno i sekundarnih
metabolita. S druge strane, mogućnost da sadržaj P u pojedinim organima vinove loze
gajene na krečnjačkim zemljištima bude nizak predstavljala je još jedan od razloga zbog
kojeg je odlučeno da se sprovede prihranjivanje preko lista sa đubrivom koje u svom
sastavu sadrži i P.
Sastavni dio istraživanja bilo je i proučavanje međusobnih veza primarnih i
sekundarnih metabolita u grožđu sa hranljivim elementima u listu vinove loze.
Istraživanje je izvedeno na stonoj sorti 'Kardinal' tokom sazrijevanja u tri
termina, tokom dvije uzastopne godine. Folijarno je primjenjivano PK đubrivo, sa
veoma malim količinama B, Mn i Mo, u tri navrata svakih 14–15 dana. Prvo tretiranje
obavljeno je 15 dana prije početka šarka.
Zbog boljeg definisanja agroekoloških uslova, urađena je i analiza zemljišta, a
podaci o srednjoj dnevnoj temperaturi, padavinama i broju sunčanih sati bili su obezbijeđeni preko Hidrometeorološkog zavoda Crne Gore...
he grapevine (
Vitis vinifera
L.,
Vitaceae
family), is one of the most important
fruit at a global level because of the extensive us
e of grapes around the world. Grapes
and grape products are subject to many modern studi
es, especially those looking at
biologically active secondary metabolites. Among th
ese, phenolic compounds have
received great attention due to their strong antica
rcinogenic, antimutagenic, anti-
inflammatory, antiallergenic and antimicrobial acti
vity. Although phenolic composition
is genetically determined, the content of phenolic
compounds as secondary metabolites
largely depends on applied agricultural practices a
nd environmental conditions. Of
particular interest are investigations on the possi
bility of influencing the accumulation
of phenolic compounds, e.g. through the application
of different formulations, rates and
combinations of fertilisers. The main objective of this dissertation was to exam
ine the chemical composition
of grapes and monitor the impact of foliar feeding
with phosphorus and potassium on
the content of phenolic compounds, sugars and organ
ic acids. Bearing in mind the
crucial importance of P and K in the synthesis of c
arbohydrates and transport of
assimilates to storage organs, a positive effect on
the accumulation of primary
metabolites and indirect influence on secondary met
abolites is expected. On the other
hand, foliar fertilisation with P was also carried
out because the possibility of low P
content in some organs of grapevine grown on calcar
eous soils. An integral part of the
research was the study of the relationships between
primary and secondary metabolites
in grapes and nutrients in the grapevine leaf. This study was conducted on cv. ‘Cardinal’ during g
rape ripening in three terms
over two consecutive years. PK foliar fertiliser co
ntaining very small amounts of B, Mn
and Mo, was applied three times every 14–15 days. T
he first treatment was performed
15 days before the beginning of veraison. For a bet
ter definition of agricultural
conditions, a soil analysis was conducted, and the
data on mean daily temperature,
rainfall and number of sunshine hours were provided
by the Hydrological and Meteorological Service of Montenegro...
Organska hemija - Hemija prirodnih proizvoda / Organic chemistry - Natural product chemistry
Datum odbrane : 14.12.2012
antocijanini, flavan-3-oli, flavonoli, folijarna prihrana, organskekiseline, šećeri, stono grožđe
anthocyanins, flavan-3-ols, flavonols, foliar feeding, organic acids,sugars, table grape
547
yes
45193999
91552101
1115
91552100
45193999
2014-05-28T11:53:11.053Z
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no
46
mentor
Ana T., 1975-
Topalović
2012
63
mentor
Vlatka
Vajs
2012
63
komentor
Vele, 1963-
Tešević
2012
63
član komisije
Natalija
Perović
2012
63
član komisije
Snežana, 1968-
Trifunović
2012
63
član komisije
Dejan
Gođevac
2012
PDF/A (137 listova)
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http://phaidrabg.bg.ac.rs/o:7860
no
yes
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2014-05-28T11:53:11.320Z
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Organska hemija - Hemija prirodnih proizvoda / Organic chemistry - Natural product chemistry
antocijanini, flavan-3-oli, flavonoli, folijarna prihrana, organskekiseline, šećeri, stono grožđe
anthocyanins, flavan-3-ols, flavonols, foliar feeding, organic acids,sugars, table grape
547
1738
11A19
2012