TY  - JOUR
AU  - Nikolic, Miroslav
AU  - Romheld, V
AU  - Merkt, N
PY  - 2000
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/49
AB  - In order to study the effect of high bicarbonate concentration in the root medium on root Fe-III reduction, Fe uptake and its translocation to the leaves, two rootstocks (Vitis riparia Michx., susceptible, and 41 B (Vitis vinifera L. cv. Chasselas x Vitis berlandieri Planch.), resistant to Fe deficiency chlorosis) were pre-cultivated in nutrient solutions with high and low Fe supply. After three weeks of preculture at low Fe, chlorosis symptoms occurred in both, Fe-resistant and Fe-susceptible genotypes. The Fe-III reducing capacity by roots was enhanced at Fe deficiency in both genotypes, which was consistent with the increase of subsequent root uptake and translocation rates of Fe-59. In the presence of bicarbonate in the solutions the Fe-III reducing capacity, Fe-59 uptake and translocation rate decreased in both genotypes precultured with low re supply. The Fe-59 uptake and translocation rate, however, were significantly higher in the Fe chlorosis-resistant rootstock 41 B. These results clearly indicate that bicarbonate-induced Fe chlorosis in grapevine rootstocks is obviously caused by an inhibition of Fe uptake and translocation due to an inhibition of Fe-III reduction by root cells. The fact that these processes were less inhibited in the chlorosis-resistant rootstock hints to genotypical differences in Fe acquisition by roots at high bicarbonate levels. These differences might be used in breeding programs to identify Fe chlorosis-resistant rootstocks.
PB  - Bundesanstalt Zuchtungs Forschung Kulturpflanzen, Siebeldingen
T2  - VITIS
T1  - Effect of bicarbonate on uptake and translocation of Fe-59 in two grapevine rootstocks differing in their resistance to Fe deficiency chlorosis
EP  - 149
IS  - 4
SP  - 145
VL  - 39
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_49
ER  - 

@article{
author = "Nikolic, Miroslav and Romheld, V and Merkt, N",
year = "2000",
abstract = "In order to study the effect of high bicarbonate concentration in the root medium on root Fe-III reduction, Fe uptake and its translocation to the leaves, two rootstocks (Vitis riparia Michx., susceptible, and 41 B (Vitis vinifera L. cv. Chasselas x Vitis berlandieri Planch.), resistant to Fe deficiency chlorosis) were pre-cultivated in nutrient solutions with high and low Fe supply. After three weeks of preculture at low Fe, chlorosis symptoms occurred in both, Fe-resistant and Fe-susceptible genotypes. The Fe-III reducing capacity by roots was enhanced at Fe deficiency in both genotypes, which was consistent with the increase of subsequent root uptake and translocation rates of Fe-59. In the presence of bicarbonate in the solutions the Fe-III reducing capacity, Fe-59 uptake and translocation rate decreased in both genotypes precultured with low re supply. The Fe-59 uptake and translocation rate, however, were significantly higher in the Fe chlorosis-resistant rootstock 41 B. These results clearly indicate that bicarbonate-induced Fe chlorosis in grapevine rootstocks is obviously caused by an inhibition of Fe uptake and translocation due to an inhibition of Fe-III reduction by root cells. The fact that these processes were less inhibited in the chlorosis-resistant rootstock hints to genotypical differences in Fe acquisition by roots at high bicarbonate levels. These differences might be used in breeding programs to identify Fe chlorosis-resistant rootstocks.",
publisher = "Bundesanstalt Zuchtungs Forschung Kulturpflanzen, Siebeldingen",
journal = "VITIS",
title = "Effect of bicarbonate on uptake and translocation of Fe-59 in two grapevine rootstocks differing in their resistance to Fe deficiency chlorosis",
pages = "149-145",
number = "4",
volume = "39",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_49"
}

Nikolic, M., Romheld, V.,& Merkt, N.. (2000). Effect of bicarbonate on uptake and translocation of Fe-59 in two grapevine rootstocks differing in their resistance to Fe deficiency chlorosis. in VITIS
Bundesanstalt Zuchtungs Forschung Kulturpflanzen, Siebeldingen., 39(4), 145-149.
https://hdl.handle.net/21.15107/rcub_rimsi_49

Nikolic M, Romheld V, Merkt N. Effect of bicarbonate on uptake and translocation of Fe-59 in two grapevine rootstocks differing in their resistance to Fe deficiency chlorosis. in VITIS. 2000;39(4):145-149.
https://hdl.handle.net/21.15107/rcub_rimsi_49 .

Nikolic, Miroslav, Romheld, V, Merkt, N, "Effect of bicarbonate on uptake and translocation of Fe-59 in two grapevine rootstocks differing in their resistance to Fe deficiency chlorosis" in VITIS, 39, no. 4 (2000):145-149,
https://hdl.handle.net/21.15107/rcub_rimsi_49 .