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personal data approved: 2020. V. 01.
Personal data
Lajos Helyes
name Lajos Helyes
name of institution
Szent István University, Gödöllő
Doctoral Council of the University (chairman)
University of Debrecen
Doctoral Council of the University (external member)
doctoral school
SzIE Plant Science Doctoral (PhD) School (Core member)
Council of the Doctoral School (chairman)
SzIE Doctoral School of Biology Sciences (Academic staff member)
SzIE Doctoral School of Environmental Sciences (Academic staff member)
the share of work in the different doctoral schools. SzIE Plant Science Doctoral (PhD) School 79%
SzIE Doctoral School of Biology Sciences 21%
accreditation statement submitted to: Szent István University, Gödöllő
HAC accreditation
full compliance
(2019. III. 01.)
Contact details
E-mail address helyes.lajosmkk.szie.hu
phone number +36 28 522-071
own web page
Academic title
scientific degree, title Ph.D.
year degree was obtained 1996
discipline to which degree belongs plant breeding and botany
institution granting the degree SZENT ISTVÁN EGYETEM (to be translated)
scientific degree, title DSc
year degree was obtained 2008
discipline to which degree belongs plant breeding and botany
institution granting the degree HAS
Employment
1983 - Szent István University, Gödöllő
university professor or researcher
Thesis topic supervisor
number of doctoral students supervised until now 9
number of students who fulfilled course requirements 5
students who obtained their degrees:
(50%) Ahmed Bakr Jawdat PhD 2019  DSES-SzIE
(50%) Sándor Takács PhD 2019  PSDS
András Bőcs PhD 2018  PSDS
(50%) Arnold Koncsek PhD 2018  PSDS
(50%) Zsuzsa Nagy PhD 2018  PSDS
Ferenc Lantos PhD 2011  PSDS
(50%) Sára Brandt PhD 2007  DSBS
Zoltán Pék PhD 2005  PSDS

students with degree granting in process:
Anh Tuan Le PhD (2020/08)  PSDS
Konrád János Deák PhD (2020/08)  PSDS
(50%) Zsuzsanna Nóra Ambrózy PhD (2021/08)  PSDS
present PhD students:
Beatrix Oláh (PhD) (2024/01)  PSDS
(50%) Viktor Balázs (PhD) (2023/08)  PSDS
(50%) Bulgan Andryei (PhD) (2021/08)  PSDS
(50%) Kitti Zsuzsanna Horváth (PhD) (2021/08)  PSDS
(50%) Péter Tóth Horgosi (PhD) (2021/08)  PSDS
(50%) Stella Agyemang Duah (PhD) (2021/08)  PSDS
(50%) Szilvia Ráth (PhD) (2021/08)  PSDS
Miklós Pék (PhD) (2020/08)  PSDS
(50%) Tibor Terbe (PhD) (2020/08)  PSDS
  Thesis topic proposals
Research
research area Effect of biotic and abiotic factors on nutritional values of vegetable crops (tomato, sweet pepper, onion, eggplant, carrot broccoli, etc.) particularly on antioxidants (lycopene,etc) content
research field in which current research is conducted plant breeding and botany
Publications
2019

Nemeskéri Eszter, Neményi András, Bőcs András, Pék Zoltán, Helyes Lajos: Physiological Factors and their Relationship with the Productivity of Processing Tomato under Different Water Supplies, WATER 11: (3) p. 586.
type of document: Journal paper/Article
language: English
URL 
2019

Nemeskeri Eszter, Helyes Lajos: Physiological Responses of Selected Vegetable Crop Species to Water Stress, AGRONOMY 9: (8) 447
type of document: Journal paper/Review paper
language: English
URL 
2019

Koncsek Arnold, Daood Hussein G., Horvath Zsuzsanna H., Fekete Maria, Veha Antal, Helyes Lajos: Improvement of antioxidant content and color stability in spice paprika powder by rosemary extract supplementation, JOURNAL OF FOOD PROCESSING AND PRESERVATION 43: (8) e14000
type of document: Journal paper/Article
language: English
URL 
2018

ESZTER NEMESKÉRI, KRISZTINA MOLNÁR, ZOLTÁN PÉK, LAJOS HELYES: Effect of water supply on the water use-related physiological traits and yield of snap beans in dry seasons, IRRIGATION SCIENCE 36: (3) pp. 143-158.
type of document: Journal paper/Article
number of independent citations: 2
language: English
URL 
2018

Le TA, Pék Z, Takács S, Neményi A, Daood HG, Helyes L: The effect of plant growth promoting rhizobacteria on the water-yield relationship and carotenoid production of processing tomatoes, HORTSCIENCE 53: (6) pp. 816-822.
type of document: Journal paper/Article
number of independent citations: 4
language: English
URL 
2016

Koncsek A, Kruppai L, Helyes L, Bori Z, Daood H G: Storage stability of carotenoids in paprika from conventional, organic and frost-damaged spice red peppers as influenced by illumination and antioxidant supplementation, JOURNAL OF FOOD PROCESSING AND PRESERVATION 40: (3) pp. 453-462.
type of document: Journal paper/Article
number of independent citations: 4
language: English
URL 
2015

Deák K, Szigedi T, Pék Z, Baranowski P, Helyes L: Carotenoid determination in tomato juice using near infrared spectroscopy, INTERNATIONAL AGROPHYSICS 29: (3) pp. 275-282.
type of document: Journal paper/Article
number of independent citations: 9
language: English
URL 
2015

Nagy Z., Daood H., Ambrózy Z., Helyes L.: Determination of Polyphenols, Capsaicinoids, and Vitamin C in New Hybrids of Chili Peppers, JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2015: 102125
type of document: Journal paper/Article
number of independent citations: 16
language: English
URL 
2012

Helyes L, Lugasi A, Pék Z: Effect of irrigation on processing tomato yield and antioxidant components., TURKISH JOURNAL OF AGRICULTURE AND FORESTRY 36: (6) pp. 702-709.
type of document: Journal paper/Article
number of independent citations: 36
language: English
URL 
2006

Brandt S, Pék Z, Barna É, Lugasi A, Helyes L: Lycopene content and colour of ripening tomatoes as affected by environmental conditions, JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 86: (4) pp. 568-572.
type of document: Journal paper/Article
number of independent citations: 224
language: English
URL 
Number of independent citations to these publications:295 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
289
number of scientific publications:
295
monographs and professional books:
4
monographs/books in which chapters/sections were contributed:
14 
number of independent citations to scientific publications and creative works:
1544
further relevant information regarding accreditation (in Hungarian)
2004-ben sikeresen habilitáltam, 2008-tól az MTA doktora. Tudományos tevékenységem során összesen 363 közleményem jelent meg, amelyből 290 tudományos közlemény. Összes hivatkozásaim száma:1740, ebből Hirsch-index 22 (to be translated)

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )