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Fire blight
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In the micropropagation of difficult-to-root plants, the low rates of rooting cause high economic losses. The local apple (Malus domestica Borkh.) cultivar #67, which is highly resistant to fire blight disease, has been shown to have low rooting success. Nanoparticles loaded with auxins could increase the rooting success with their physicochemical properties.
12p
lyhuyenthu
31-01-2023
6
2
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Erwinia amylovora is generally considered to be a homogeneous species in terms of phenotypic and genetic features. However, strains show variation in their virulence, particularly on hosts with different susceptibility to fire blight. We applied the RNA-seq technique to elucidate transcriptome-level changes of the lowly virulent E. amylovora 650 strain during infection of shoots of susceptible (Idared) and resistant (Free Redstar) apple cultivars.
15p
vilarryellison
29-10-2021
7
0
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The nucleotide second messengers, i.e., guanosine tetraphosphate and pentaphosphate [collectively referred to as (p) ppGpp], trigger the stringent response under nutrient starvation conditions and play an essential role in virulence in the fire blight pathogen Erwinia amylovora.
19p
vijeeni2711
24-07-2021
13
0
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Toxin-antitoxin (TA) systems, abundant in prokaryotes, are composed of a toxin gene and its cognate antitoxin. Several toxins are implied to affect the physiological state and stress tolerance of bacteria in a population.
15p
vilichoo2711
25-06-2021
15
1
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Although it is known that resistant rootstocks facilitate management of fire blight disease, incited by Erwinia amylovora, the role of rootstock root traits in providing systemic defense against E. amylovora is unclear.
14p
viharuno2711
21-04-2020
12
2
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Although the most common path of infection for fire blight, a severe bacterial disease on apple, is via host plant flowers, quantitative trait loci (QTLs) for fire blight resistance to date have exclusively been mapped following shoot inoculation. It is not known whether the same mechanism underlies flower and shoot resistance.
12p
viharuno2711
21-04-2020
9
1
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I At sunset hour the forest was still, lonely, sweet with tang of fir and spruce, blazing in gold and red and green; and the man who glided on under the great trees seemed to blend with the colors and, disappearing, to have become a part of the wild woodland. Old Baldy, highest of the White Mountains, stood up round and bare, rimmed bright gold in the last glow of the setting sun. Then, as the fire dropped behind the domed .peak, a change, a cold and darkening blight, passed down the black spear-pointed slopes over all that mountain world....
359p
culao1122
11-01-2013
47
5
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