Access restricted to students and staff of home institution
master's thesis
Učinak sorte i malča na agronomska svojstva tikvice

Alen Bertoša (2016)
Sveučilište u Zagrebu
Agronomski fakultet
Metadata
TitleUčinak sorte i malča na agronomska svojstva tikvice
AuthorAlen Bertoša
Mentor(s)Nina Toth (thesis advisor)
Abstract
U cilju postizanja viših prinosa, lakše kontrole korova, manjeg utroška hraniva i vode, proizvođači povrća u uzgoju mnogih povrtnih kultura često primjenjuju crni polietilenski (PE) film za malčiranjetla. Vrsta malča može imati značajan učinak na kvantitativna i kvalitativna svojstva uzgajane kulture, na što također utječu i ekološki čimbenici uzgojnog područja, odnosno, kemijska i fizikalna svojstva tla te meteorološki uvjeti tijekom vegetacijskog razdoblja. Stoga je potrebno provoditi istraživanja koja uključuju različite vrste malčeva i povrtnih kultura, različite rokove uzgoja i agroekološke uvjete. U ljetnom uzgojnom roku 2014. godine na lokaciji Hrestenica, nedaleko od Pazina, provedeno je istraživanje s ciljem utvrđivanja utjecaja polimernih i organskih malčeva, u usporedbi s nepokrivenim tlom, na komponente prinosa tikvica uzgajanih na otvorenom. Korištene su tri hibridne sorte tikvice: 'Opal' bijelih plodova, 'Sofia' zelenih plodova i'Cigal' tamnozelenih plodova. Od polimernih malčeva u poljski pokus bili su uključeni crni PE-film, crno-bijeli PE-film i polipropilenski (PP) agrotekstil (60 g/m2), a od organskih slama, dok je nepokriveno tlo predstavljalo kontrolnu varijantu. Dvofaktorijalni poljski pokus je postavljen po metodi slučajnog bloknog rasporeda u tri ponavljanja. Presadnice su sađene na razmak 100 cm između redova i 50 cm između biljaka u redu. U razdoblju od prvedo posljednje berbe (28. lipnja i 14. kolovoza) obavljena je 21 berba. Tijekom višekratnih berbi utvrđivana su morfološka svojstva plodova (masa, dužina i promjer), a naknadno je utvrđen tržni prinos plodova. Malčiranje tla nije imalo statistički značajan utjecaj na promatrana svojstva plodova. Na malču od slame sve istraživane sorte imale su najmanji tržni prinos. Kombinacija sorte 'Cigal' i crno-bijelog PEmalča ima opravdano veći tržni prinos od kombinacija svih sorti i nepokrivenog tla, odnosno, ostvaruje za30 % veći prinos od kombinacije 'Opal' × nepokriveno tlote za 18,5 % od kombinacija 'Sofia' × nepokriveno tlo i 'Cigal' × nepokriveno tlo.
KeywordsCucurbita pepo L. convar. giromontiinaGreb. polymer mulches straw
Committee MembersNina Toth (committee chairperson)
Sanja Fabek Uher (committee member)
Božidar Benko (committee member)
GranterSveučilište u Zagrebu
Agronomski fakultet
PlaceZagreb
StateCroatia
Scientific field, discipline, subdisciplineBIOTECHNICAL SCIENCES
Agronomy
Study programme typeuniversity
Study levelgraduate
Study programmeHorticulture
Academic title abbreviationmag. ing. agr.
Genremaster's thesis
Language Croatian
Defense date2016-09-29
Parallel abstract (English)
In order to achieve higher yields, easier weed control, less consumption of nutrients and water, vegetable growers in the cultivation of various vegetable crops often apply black polyethylene (PE) film for mulching. Mulch type can have a significant impact on the quantitative and qualitative characteristics of crops, which are also affected by environmental factors, i.e. chemical and physical properties of the soil and weather conditions during the growing season. Therefore, it is necessary to conduct studies that include different types of mulches and vegetable crops, different growing seasons and agro-ecological conditions. In the summer growing period in 2014 at the location Hrestenica, close to Pazin, a research was carried out to determine the impact of polymer and organic mulches, compared with uncovered soil, on the yield components of summer squash grown in the open field. Three hybrid cultivars of summer squash were used: 'Opal' with white fruits, 'Sofia' with green fruits and 'Cigal' with dark green fruits. In the field trial, black PE-film, black-and-white PE-film and polypropylene (PP) agro-textile (60 g/m2) were included out of polymer mulches and straw out of organic mulches, while the uncovered soil constituted the control variant. Twofactorial field trial was carried out by the randomized block design method in three repetitions. Seedlings were planted at a distance of 100 cm between rows and 50 cm between plants in a row. In the period from the first to the last harvest (28 June to 14 August), 21 harvests were performed. During the harvest period, morphological characteristics of fruits (weight, length and diameter) were determined and market yield of fruits was established afterwards. On the straw mulch all cultivars had the lowest marketable yields. The combination of cultivar 'Cigal' and black-white PE-mulch has justified higher marketable yield then a combination of all cultivars and uncovered soil, respectively, achieved a 30% higher yield than the combination of 'Opal' × uncovered soil and for 18.5% of the combination of 'Sofia' × uncovered soil and 'Cigal' × uncovered soil.
Parallel keywords (Croatian)CucurbitapepoL. convar.giromontiinaGreb. polimerni malčevi slama
Resource typetext
Access conditionAccess restricted to students and staff of home institution
Terms of usehttp://rightsstatements.org/vocab/InC/1.0/
URN:NBNhttps://urn.nsk.hr/urn:nbn:hr:204:193048
CommitterValentina Bezek