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Title:VPLIV OBREMENITVE IN FOLIARNEGA GNOJENJA S KALCIJEM NA NOTRANJO KAKOVOST PLODOV IN POVRATNO CVETENJE JABLAN SORTE 'ZLATI DELIŠES'
Authors:Štefančič, Vita (Author)
Tojnko, Stanislav (Mentor) More about this mentor... New window
Unuk, Tatjana (Co-mentor)
Files:.pdf MAG_Stefancic_Vita_2018.pdf (850,16 KB)
 
Language:Slovenian
Work type:Master's thesis/paper (mb22)
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:V poskusnem nasadu v okolici naselja Ivanjkovci smo v letu 2016 in 2017 raziskovali vpliv obremenitve (št. plodov na cm2 debla) in dodatnega foliarnega gnojenja s kalcijevim in z dušikovim pripravkom na vegetativne in generativne parametre (pridelek na drevo, št. plodov, povprečna masa ploda), kakovost plodov ob pobiranju (Streifov indeks zrelosti, suho snov, škrobni indeks, trdoto mesa plodov), mineralno sestavo plodov (koncentracijo Mg, Ca in K), pojav grenke pegavosti in vpliva na povratno cvetenje. V poskus je bilo vključenih sedem obravnavanj s štirimi ponovitvami. Obravnavanja so bila nizka, srednja in visoka obremenitev, foliarno gnojene s kalcijem in z dušikom, ter nizka, srednja, visoka in standard, ki niso bile foliarno gnojene s kalcijem in z dušikom. Glavne ugotovitve poskusa so, da se s povečanjem obremenitve veča količina pridelka in manjša povprečna masa plodov, vendar je pri visoki obremenitvi povprečna masa ploda še vedno zadostna primerno kakovost, ter da se s povečanjem obremenitve dreves zmanjša povratno cvetenje. Ugotovili smo tudi, da foliarno gnojenje s kalcijem in z dušikom ni imelo statistično značilnega vpliva na nobenega od spremljanih parametrov vegetativne rasti, generativnega razvoja in kakovosti pridelka.
Keywords:jablana, foliarno gnojenje s kalcijem, obremenitev, kakovost, grenka pegavost
Year of publishing:2018
Source:Maribor
NUK URN:URN:SI:UM:DK:8ZO7E3GC
License:CC BY-NC-ND 4.0
This work is available under this license: Creative Commons Attribution Non-Commercial No Derivatives 4.0 International
Views:372
Downloads:40
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Categories:FKBV
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Secondary language

Language:English
Title:Effects of Crop Load and Calcium Foliar Application on the Quality of 'Golden Delicius' Apples and their return bloom
Abstract:The goal of the experiment, conducted in the trial orchard near Ivanjkovci between 2016 and 2017, was to research the effects of crop load (number of fruits per cm2 TCSA) and foliar application of calcium and nitrogen fertilisers on vegetative and generative parameters (yield per tree, number of fruits, average fruit weight), the quality of fruits at harvest (Streif maturity index, dry matter, fruit rigidity), the mineral content of fruits (Mg, Ca and K concentration), the spread of bitter pit as well as the effects on return bloom of Golden Delicious apple trees. The experiment consisted of 7 different treatments with four repetitions. These treatments included low, medium and high crop load involving the foliar application of calcium and nitrogen fertilisers, high, as well as medium and low crop load without the use of fertilisers and a control group of trees. The main findings were that the higher crop load leads to a bigger yield while the average fruit weight decreases. However, in the case of high crop load, the quality of the fruits still meets the standards while the return bloom is decreased. We are able to conclude that the foliar application of calcium and nitrogen fertiliser has no statistically relevant effects on the researched parameters, namely the vegetative growth, generative development and on the quality of the fruit.
Keywords:apple tree, foliar application of calcium, crop load, fruit quality, bitter pit


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