Authors:Ján Varga, Pavel Staško, Štefan Tóth, Zuzana Pristášová, Zuzana Jonecová, Jarmila Veselá, and Mikuláš Pomfy
Ischaemic/reperfusion (IR) injury of the small intestine may lead to the development of multiple organ failure. Little is known about the morphological changes occurring in the organs during the subacute course of this syndrome. The objective of this study was to observe histopathological features and the role of apoptosis in the jejunal mucosa and lung parenchyma after intestinal IR injury in a long-term experiment. Wistar rats (n = 36) were divided into 4 experimental groups (IR
, S). Groups IR
(each n = 10) were subjected to 1-hour ischaemia of the cranial mesenteric artery followed by 10, 20 or 30 days of reperfusion, respectively. The control group S (n = 6) was not subjected to ischaemia. The jejunal mucosa remained intact after all periods of reperfusion. Apoptotic cells were found particularly in the lamina propria, with the most significant difference observed in the IR
group (P < 0.01). The lung parenchyma had lower regenerative capacity, which was confirmed by a high index of histological damage after 30 days of reperfusion (P < 0.01) and by the presence of an increased number of apoptotic cells, especially in the pulmonary interstitium. The number of apoptotic cells was ten times higher than in the control group (P < 0.001).
Fertilizer Application on the Baking Quality of Winter Wheat Varieties in a LongTermExperiment under Continental Climatic Conditions in Hungary — Cereal Research Communications, Vol. 33 No. 4 pp. 825
The effect of four rates of nitrogen (N) fertilisation (0, 80, 160, 240 kg ha−1) on the growth and yield components of three winter wheat varieties with different maturity dates (Mv Toborzó — extra early, Mv Palotás — early, Mv Verbunkos — mid-early) was analysed in a long-term experiment laid out in a two-factorial split-plot design with four replications in the years 2007–2009. The dry matter production of the whole plant and of individual plant organs, the maximum leaf area, the area of the flag-leaf and all the yield components except the thousand-kernel weight were significantly the greatest in the N160 or the N240 treatments. Averaged over the varieties and years the grain yield in the N treatments was N0: 5.5, N80: 7.1, N160: 7.3 and N240: 7.5 t ha−1. Averaged over N treatments and years the variety Mv Verbunkos had the highest dry matter production, stem mass, spike mass, number of grains per spike and grain yield. Mv Verbunkos had the greatest leaf area in the favourable years of 2008 and 2009 and the greatest flag-leaf area in 2008. Averaged over N treatments and varieties the dry matter production per plant, the leaf and stem mass, the number of spikes per square metre and the thousand-kernel weight were greatest in 2007. The spike mass was lowest in 2007 and had higher, very similar values in 2008 and 2009. The maximum leaf area per plant, the area of the flag-leaf, the number of grains per spike and the grain yield were highest in 2008. The values and dynamics of the growth parameters gave a good characterisation of the effect of the treatments (N fertilisation, variety, year) on plant production (yield, yield components) in various stages of growth.
., Márton, L., Németh, T., Szemes, I. (2007): Effect of liming and mineral fertilization on the soil and plants in a 44-year long-termexperiment in Nyírlugos.
Agrokémia és Talajtan
Authors:Blazenka Bertic, Zdenko Loncaric, Vladimir Vukadinovic, Zelimir Vukobratovic, and Vesna Vukadinovic
. Effects of fertilizer application on the baking quality of winter wheat varieties in a longtermexperiment under continental climatic conditions in Hungary. Cereal Research Communications Vol. 33, no. 4: 825–832 pp
Pepó P. — Sipos P. — Gyóri Z.: 2005. Effects of Fertilizer Application on the Baking Quality of Winter Wheat Varieties in a LongTermExperiment under Continental Climatic Conditions in Hungary. Cereal Research Communications 33,4: 825