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Statements

Subject Item
n2:RIV%2F25271121%3A_____%2F11%3A%230000188%21RIV13-MZE-25271121
rdf:type
skos:Concept n6:Vysledek
rdfs:seeAlso
http://www.actahort.org/books/896/896_48.htm
dcterms:description
The aim of this work was to determine the level of resistance of landraces and prospective newly bred Czech pear cultivars against Erwinia amylovora in comparison with the commercially grown pear cultivars in the climatic conditions of the Czech Republic. Four landraces ´Libovicka maslovka´, ´Krvavka moravska´, ´Rihova bezjaderka´, ´Solanka´, two Czech newly bred cultivars ´Bohemica´, ´Dicolor´ and four cultivars from the world pear collection ´Beurre Bosc´, ´Conference´, ´Alexander Lucas´ and ´Williams´ were included in the experiment. Three-year-old trees on pear seedling rootstock were used for tests. The experiment was established in a screen-house covered with insect proof net. The artificial inoculation of one year old shoots was carried out in the phenological phase of intensive extension growth in suitable climatic conditions (temperature > 15°C, relative humidity > 75%) by removal of the apical part of the shoot tip with scissors dipped in a suspension containing 10 power of 6 cfu/ml E. amylovora. Subsequently, a 3 µl drop of inoculum at the same concentration was applied to the cut tissue with a pipette. Calculated intensity of infection was consequently converted to a 6-point evaluation scale: highly resistant 0.0 - 7.0%, resistant 7.1 - 13.0%, medium resistant 13.1 – 26.0%, medium susceptible 26.1 - 60.0%, susceptible 60.1 – 80.0% and highly susceptible 80.1 – 100.0%. Evaluation of obtained results proved a higher level of resistance only in the case of cultivar ´Bohemica´ (8.9%), which was in our conditions higher than the resistance of ´Alexander Lucas´ (17.2%). Cultivars ´Solanka´ (26.6%), ´Conference´ (39.8%), ´Beurre Bosc´ (41.4%) and ´Krvavka moravska´ (52.2%) were evaluated as a medium susceptible. Cultivars ´Williams´ (62.3 %), ´Rihova bezjaderka´ (83.3%), ´Libovicka maslovka´ (100%) and ´Dicolor´ (100%) were evaluated as susceptible and highly susceptible. The obtained results are preliminary and the tests will continue in the future The aim of this work was to determine the level of resistance of landraces and prospective newly bred Czech pear cultivars against Erwinia amylovora in comparison with the commercially grown pear cultivars in the climatic conditions of the Czech Republic. Four landraces ´Libovicka maslovka´, ´Krvavka moravska´, ´Rihova bezjaderka´, ´Solanka´, two Czech newly bred cultivars ´Bohemica´, ´Dicolor´ and four cultivars from the world pear collection ´Beurre Bosc´, ´Conference´, ´Alexander Lucas´ and ´Williams´ were included in the experiment. Three-year-old trees on pear seedling rootstock were used for tests. The experiment was established in a screen-house covered with insect proof net. The artificial inoculation of one year old shoots was carried out in the phenological phase of intensive extension growth in suitable climatic conditions (temperature > 15°C, relative humidity > 75%) by removal of the apical part of the shoot tip with scissors dipped in a suspension containing 10 power of 6 cfu/ml E. amylovora. Subsequently, a 3 µl drop of inoculum at the same concentration was applied to the cut tissue with a pipette. Calculated intensity of infection was consequently converted to a 6-point evaluation scale: highly resistant 0.0 - 7.0%, resistant 7.1 - 13.0%, medium resistant 13.1 – 26.0%, medium susceptible 26.1 - 60.0%, susceptible 60.1 – 80.0% and highly susceptible 80.1 – 100.0%. Evaluation of obtained results proved a higher level of resistance only in the case of cultivar ´Bohemica´ (8.9%), which was in our conditions higher than the resistance of ´Alexander Lucas´ (17.2%). Cultivars ´Solanka´ (26.6%), ´Conference´ (39.8%), ´Beurre Bosc´ (41.4%) and ´Krvavka moravska´ (52.2%) were evaluated as a medium susceptible. Cultivars ´Williams´ (62.3 %), ´Rihova bezjaderka´ (83.3%), ´Libovicka maslovka´ (100%) and ´Dicolor´ (100%) were evaluated as susceptible and highly susceptible. The obtained results are preliminary and the tests will continue in the future
dcterms:title
Testing of Resistance of Pear Cultivars after Artificial Inoculation with Erwinia amylovora in Field Conditions Testing of Resistance of Pear Cultivars after Artificial Inoculation with Erwinia amylovora in Field Conditions
skos:prefLabel
Testing of Resistance of Pear Cultivars after Artificial Inoculation with Erwinia amylovora in Field Conditions Testing of Resistance of Pear Cultivars after Artificial Inoculation with Erwinia amylovora in Field Conditions
skos:notation
RIV/25271121:_____/11:#0000188!RIV13-MZE-25271121
n6:predkladatel
n7:ico%3A25271121
n3:aktivita
n13:P
n3:aktivity
P(QH91148)
n3:cisloPeriodika
896
n3:dodaniDat
n17:2013
n3:domaciTvurceVysledku
n5:7620330 n5:6428762
n3:druhVysledku
n14:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
234921
n3:idVysledku
RIV/25271121:_____/11:#0000188
n3:jazykVysledku
n19:eng
n3:klicovaSlova
fire blight; susceptibility; infection; Pyrus; cultivar
n3:klicoveSlovo
n8:infection n8:Pyrus n8:fire%20blight n8:susceptibility n8:cultivar
n3:kodStatuVydavatele
BE - Belgické království
n3:kontrolniKodProRIV
[299B158D8B23]
n3:nazevZdroje
Acta Horticulturae
n3:obor
n11:GF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n16:QH91148
n3:rokUplatneniVysledku
n17:2011
n3:tvurceVysledku
Korba, Josef Šillerová, Jana Paprštein, František Sedlák, Jiří
s:issn
0567-7572
s:numberOfPages
3