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001-es BibID:	BIBFORM123517
035-os BibID:	(WoS)001307347100001 (Scopus)85202661115
Első szerző:	Appiah, Ebenezer Ayew (agrár)
Cím:	Enhancing Alfalfa (Medicago sativa L.) Productivity : Exploring the Significance of Potassium Nutrition / Ebenezer Ayew Appiah, Andrea Balla-Kovács, Akasairi Ocwa, József Csajbók, Erika Kutasy
Dátum:	2024
ISSN:	2073-4395
Megjegyzések:	Sustainable management of potassium nutrition in alfalfa crop production is one of the major key factors for achieving optimum seed and biomass yields. An inappropriate supply of mineral potassium nutrition in alfalfa production could result in a decrease in biomass and grain yield production, leading to luxury consumption with cost implications. Alfalfa (Medicago sativa L.) is a perennial leguminous forage crop known for its high protein content, nutritive value, biomass yield production, soil-improving abilities, and livestock feed. Potassium nutrition plays a crucial role in alfalfa production by influencing several physiological processes essential for biomass yield, growth, development, photosynthesis, nutrient uptake, and stress tolerance. Although several studies have been conducted regarding the role of potassium nutrition in agriculture productivity, only limited research has focused on crop-specific impacts. Therefore, this paper reviews (i) the significant role potassium nutrition plays in alfalfa production along with its implications for quality, yield, growth, and resistance to abiotic stress; (ii) the factors affecting the availability, absorption, and transport of potassium; (iii) the source of potassium and the consequences of inadequate availability; and (iv) highlights some strategies for mitigating potassium nutrient deficiency to optimize alfalfa productivity and sustainability in agricultural systems.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Potassium nutrition abiotic stress alfalfa growth development Kuptake
Megjelenés:	Agronomy-Basel. - 14 : 8 (2024), p. 1-20. -
További szerzők:	Balláné Kovács Andrea (1967-) (vegyész) Ocwa, Akasairi (1987-) (Crop scientist) Csajbók József (1964-) (agrármérnök) Kutasy Erika (1974-) (agrármérnök)
Internet cím:	DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM090210
035-os BibID:	(WoS)000602262000001 (Scopus)85109114310 (cikkazonosító)1999
Első szerző:	Csajbók József (agrármérnök)
Cím:	Photosynthetic and Agronomic Traits of Winter Barley (Hordeum vulgare L.) Varieties / Csajbók József, Pepó Péter, Kutasy Erika
Dátum:	2020
ISSN:	2073-4395
Megjegyzések:	We tested six winter barley (Hordeum vulgare L.) cultivars in a small plot field experiment, measuring photosynthesis and other parameters three times during the growing season. Four genotypes?Andoria, Jakubus, Paradies and Zophia?are new, promising varieties with requirements of intensive technology, high yield potential and very good disease resistance. The two popular Hungarian varieties (KG Apavár and KG Puszta) are relatively old but they have good tolerance to extreme ecological conditions and outstanding resistance and winter hardiness. The aim of our research was to test the new varieties' performance. Several recent studies found close connections among various photosynthetic parameters in barley, and we confirmed that in our research. There were significant differences between the varieties in the assimilation rate?the highest values were measured at the BBCH 47?49 stage (end of booting), except Jakubus and Zophia, where the highest values were at BBCH 73?75 (milk ripe). The cultivars' response to irradiation change varied, especially at higher photosynthetic photon flux density (PPFD) levels. In April and May, the plants were in drought stress according to the intercellular CO2 level and the total conductance to carbon dioxide. The differences between the air and leaf temperature were also low, indicating water stress, but the assimilation rate was relatively high (9.07?14.09 ?mol m?2 s?1).We found a close connection between normalized difference vegetation index (NDVI) values and grain protein content in each of the tested barley cultivars. The correlation was significant, at p = 0.01 level. The protein yield per hectare was determined rather by grain yield than protein content. The relationship between the NDVI values and grain yield was moderate, but NDVI values and protein content are in strong correlation.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk winter barley photosynthesis parameters cultivars nutrient supply
Megjelenés:	Agronomy-Basel. - 10 : 12 (2020), p. 1999-2018. -
További szerzők:	Pepó Péter (1955-) (agrármérnök) Kutasy Erika (1974-) (agrármérnök)
Pályázati támogatás:	EFOP-3.6.3-16-2017-00008 EFOP
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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