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Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids

Authorized Users Only
2011
Authors
Lević, Jelena
Petrović, Tijana
Stanković, Slavica
Stanković, Goran
Krnjaja, Vesna
Article (Published version)
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Abstract
The frequency and incidence of Pyrenochaeta terrestris and symptom type on the roots of each internode of four maize hybrids of different maturity groups were studied 70 days after sowing. The fungus developed in the roots of all developed internodes (from the primary to the sixth or seventh internodes of all tested hybrids). The average frequency and incidence of P. terrestris in the roots of late and medium early maturity hybrids ranged from 29.5 to 55.2% and from 11.8 to 22.7%, respectively. The highest frequency of the fungus was at the 2nd root internode (93.3%), and its greatest incidence was detected in the mesocotyl of the medium early hybrid H-1 (56.9%). Necrosis predominated in the roots of the medium early (i.e. medium late maturity hybrids, 44.5% and 44.3%, respectively), whereas reddish pink symptoms were recorded in the roots of the late hybrids (51% and 42.5%). Because the fungus always produces a distinctive red pigment on carnation leaf agar (CLA) in a light regime, th...ese conditions can be recommended for the reliable identification of P. terrestris, even if pycnidia are not formed. These are the first reports of the successive distribution of the fungus in each maize root internode of different hybrids, as well as the use of CLA medium in the identification of the P. terrestris.

Keywords:
Pyrenochaeta terrestris / maize / red root rot / symptoms / Serbia
Source:
Journal of Phytopathology, 2011, 159, 6, 424-428
Publisher:
  • Wiley-Blackwell, Malden
Funding / projects:
  • Proučavanje i čuvanje core kolekcije fitopatogenih gljiva značajnih u poljoprivredi Srbije (RS-20046)

DOI: 10.1111/j.1439-0434.2011.01784.x

ISSN: 0931-1785

WoS: 000289626700005

Scopus: 2-s2.0-79954883088
[ Google Scholar ]
4
3
URI
http://rik.mrizp.rs/handle/123456789/359
Collections
  • Радови истраживача / Researchers' publications
Institution/Community
MRIZP
TY  - JOUR
AU  - Lević, Jelena
AU  - Petrović, Tijana
AU  - Stanković, Slavica
AU  - Stanković, Goran
AU  - Krnjaja, Vesna
PY  - 2011
UR  - http://rik.mrizp.rs/handle/123456789/359
AB  - The frequency and incidence of Pyrenochaeta terrestris and symptom type on the roots of each internode of four maize hybrids of different maturity groups were studied 70 days after sowing. The fungus developed in the roots of all developed internodes (from the primary to the sixth or seventh internodes of all tested hybrids). The average frequency and incidence of P. terrestris in the roots of late and medium early maturity hybrids ranged from 29.5 to 55.2% and from 11.8 to 22.7%, respectively. The highest frequency of the fungus was at the 2nd root internode (93.3%), and its greatest incidence was detected in the mesocotyl of the medium early hybrid H-1 (56.9%). Necrosis predominated in the roots of the medium early (i.e. medium late maturity hybrids, 44.5% and 44.3%, respectively), whereas reddish pink symptoms were recorded in the roots of the late hybrids (51% and 42.5%). Because the fungus always produces a distinctive red pigment on carnation leaf agar (CLA) in a light regime, these conditions can be recommended for the reliable identification of P. terrestris, even if pycnidia are not formed. These are the first reports of the successive distribution of the fungus in each maize root internode of different hybrids, as well as the use of CLA medium in the identification of the P. terrestris.
PB  - Wiley-Blackwell, Malden
T2  - Journal of Phytopathology
T1  - Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids
VL  - 159
IS  - 6
SP  - 424
EP  - 428
DO  - 10.1111/j.1439-0434.2011.01784.x
UR  - conv_782
ER  - 
@article{
author = "Lević, Jelena and Petrović, Tijana and Stanković, Slavica and Stanković, Goran and Krnjaja, Vesna",
year = "2011",
abstract = "The frequency and incidence of Pyrenochaeta terrestris and symptom type on the roots of each internode of four maize hybrids of different maturity groups were studied 70 days after sowing. The fungus developed in the roots of all developed internodes (from the primary to the sixth or seventh internodes of all tested hybrids). The average frequency and incidence of P. terrestris in the roots of late and medium early maturity hybrids ranged from 29.5 to 55.2% and from 11.8 to 22.7%, respectively. The highest frequency of the fungus was at the 2nd root internode (93.3%), and its greatest incidence was detected in the mesocotyl of the medium early hybrid H-1 (56.9%). Necrosis predominated in the roots of the medium early (i.e. medium late maturity hybrids, 44.5% and 44.3%, respectively), whereas reddish pink symptoms were recorded in the roots of the late hybrids (51% and 42.5%). Because the fungus always produces a distinctive red pigment on carnation leaf agar (CLA) in a light regime, these conditions can be recommended for the reliable identification of P. terrestris, even if pycnidia are not formed. These are the first reports of the successive distribution of the fungus in each maize root internode of different hybrids, as well as the use of CLA medium in the identification of the P. terrestris.",
publisher = "Wiley-Blackwell, Malden",
journal = "Journal of Phytopathology",
title = "Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids",
volume = "159",
number = "6",
pages = "424-428",
doi = "10.1111/j.1439-0434.2011.01784.x",
url = "conv_782"
}
Lević, J., Petrović, T., Stanković, S., Stanković, G.,& Krnjaja, V.. (2011). Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids. in Journal of Phytopathology
Wiley-Blackwell, Malden., 159(6), 424-428.
https://doi.org/10.1111/j.1439-0434.2011.01784.x
conv_782
Lević J, Petrović T, Stanković S, Stanković G, Krnjaja V. Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids. in Journal of Phytopathology. 2011;159(6):424-428.
doi:10.1111/j.1439-0434.2011.01784.x
conv_782 .
Lević, Jelena, Petrović, Tijana, Stanković, Slavica, Stanković, Goran, Krnjaja, Vesna, "Frequency and Incidence of Pyrenochaeta terrestris in Root Internodes of Different Maize Hybrids" in Journal of Phytopathology, 159, no. 6 (2011):424-428,
https://doi.org/10.1111/j.1439-0434.2011.01784.x .,
conv_782 .

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