Results 21 to 30 of about 792,268 (149)
Evaluation of pear rootstocks selections
, 2011 European pear ( Pyrus communis L.) is in Italy predominantly grown on clonal quince ( Cydonia oblonga Mill.) rootstocks. However, this grafting combination shows several problems including poor graft compatibility, susceptibility to lime-induced iron ...
M. Tagliavini +6 more
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, 2020 Acknowledged as one of the greatest biological invasions of modern times, the introduction and subsequent spread of prickly pear into Queensland and New South Wales had infested millions of hectares of rural land by the 1920s, rendering it useless for ...
Department of Agriculture and Fisheries, Queensland
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New pear roots for old … inarching decline-immune seedlings into susceptible peas trees
California Agriculture, 1964 An agricultural extension project was initiated in the spring of 1962 to determine whether pear trees susceptible to decline could be saved by adding a new nonsusceptible root system around the base of the trees.
R Rackham +5 more
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Distribution of pear decline virus in California orchards
California Agriculture, 1970 Pear decline virus is present in both healthy and weak appearing pear trees on all common rootstocks in commercial orchards in California. Vigorous condition of any tree probably results from true tolerance of the rootstock to the disease rather than the
J Doyle +7 more
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Evaluation on fruit texture and quality of different pear varieties during cold storage
Shipin yu jixie, 2023 Objective: To determine the key points of pear quality formation and deterioration of different Pyrus pyrifolia pears during cold storage. Methods: Zaoshengxinshui, Hujingli18, Hujingli67 were used as materials, the fruit of three varieties with the same
ZHOU Hui-juan +4 more
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Evaluation of pomological traits of pear decline-resistant rootstocks
, 2019 Twenty pear rootstock genotypes were examined for their pear decline resistance and their pomological traits in a six years field trial. All rootstock selections were grafted with the susceptible cultivar Williams followed by graft-inoculation with a ...
Jarausch, Wolfgang +3 more
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Physiochemical Changes of European Pear cv. Conference and Asian Pear cv. Yali during Cold Storage
Horticulturae, 2023 This study evaluated the physiochemical changes of one commercial European pear variety ‘Conference’ and one Asian pear variety ‘Yali’ during 60 days of storage at 1 °C.
Pavel Híc +5 more
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Orchard tests substantiate: Role of pear psylla in pear decline
California Agriculture, 1963 Field scale tests with young pear trees last year at Davis provided further evidence that the pear psylla (Psylla pyricola Foerster) plays a central role in the pear decline disease.
C Gonzales, W Griggs, D Jensen, S Gotan
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First report of pear decline phytoplasma on pear in Serbia
, 2005 In August 2004, pear (Pyrus communis L.) plants with typical symptoms of Pear Decline (PD) were observed in orchards in central Serbia. The affected plants showed premature reddening and upward rolling of leaves that often show down-shaped petioles.
PALTRINIERI, SAMANTA +4 more
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California Agriculture, 1962 Own-rooted Bartlett pear trees and Bartlett on own-rooted Old Home rootstocks are resistant to pear decline, according to observations in Washington, Oregon, and California. These trees are also vigorous and productive. Bartlett pear, top-budded onto own-
H Hartmann, W Griggs, C Hansen
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