Over a century of pear breeding at the USDA
The US Department of Agriculture (USDA) has performed European pear (Pyrus communis
L.) scion breeding for over a century. The breeding program started in the early 1900s by …
L.) scion breeding for over a century. The breeding program started in the early 1900s by …
Modes of host plant resistance to pear psylla: a review
RL Bell, GL Puterka - XI Eucarpia Symposium on Fruit Breeding and …, 2003 - actahort.org
Host resistance in Pyrus to the pear psylla (Cacopsylla sp.) can be characterized under
natural conditions in terms of the size of the pest population at specific times. Population size …
natural conditions in terms of the size of the pest population at specific times. Population size …
Assessment of European pear (Pyrus communis L.) genetic resources in Bosnia and Herzegovina using microsatellite markers
The pear germplasm of Bosnia and Herzegovina (B&H) consists of cultivars introduced both
from Asia Minor and Western Europe and until now has not been adequately investigated. In …
from Asia Minor and Western Europe and until now has not been adequately investigated. In …
Resistance in eastern European Pyrus germplasm to pear psylla nymphal feeding.
RL Bell, LC Stuart - 1990 - cabidigitallibrary.org
Resistance to feeding by early instars of Cacopsylla pyricola was evaluated in 59 cultivars
and wild seedlings of Pyrus spp. from eastern Europe in a 24-hour assay. Bartlett (P …
and wild seedlings of Pyrus spp. from eastern Europe in a 24-hour assay. Bartlett (P …
Vulnerability of pear (Pyrus) genetic resources in the US
Pears (Pyrus) represent an important part of consumer diets, and have the fourth highest
production of non-citrus fruits, measured by fresh weight, in the US They are maintained …
production of non-citrus fruits, measured by fresh weight, in the US They are maintained …
Additional East European Pyrus germplasm with resistance to pear psylla nymphal feeding.
RL Bell - 1992 - cabidigitallibrary.org
Eight cultivars and wild seedlings of pear (Pyrus spp.) from Eastern Europe were evaluated
for resistance to feeding by early-instar nymphs of Cacopsylla pyricola in a 24 h assay. All …
for resistance to feeding by early-instar nymphs of Cacopsylla pyricola in a 24 h assay. All …
Effect of resistant and susceptible East European pears on development and mortality of the pear psylla, Cacopsylla pyricola (Förster)
RL Bell - HortScience, 2015 - journals.ashs.org
Pear psyllids (Cacopsylla spp., Hemiptera: Psyllidae) are major pests of European pear
(Pyrus communis L.) in North America and Europe. In breeding resistant cultivars, a …
(Pyrus communis L.) in North America and Europe. In breeding resistant cultivars, a …
Resistance to pear psylla nymphal feeding of germplasm from Central Europe
RL Bell - … Horticultural Congress: Genetics and Breeding of Tree …, 2002 - actahort.org
Pear psylla (Cacopsylla pyricola Foërster) is the most serious pest of the European pear
(Pyrus communis L.) in the production regions of Europe and North America. Nine plant …
(Pyrus communis L.) in the production regions of Europe and North America. Nine plant …
A Taste for Sweet: Ethnoarchaeological Insights on Plant-Based Sweeteners of Prehistoric Southeastern Europe with Special Emphasis on Wild Pear Syrup
SM Valamoti, I Mimi - Ethnoarchaeology, 2024 - Taylor & Francis
Little is known about food sweeteners of prehistoric Europe other than honey. In this study,
archaeobotanical evidence of wild pears is combined with an ethnographic study of wild …
archaeobotanical evidence of wild pears is combined with an ethnographic study of wild …
Host resistance to pear psylla of breeding program selections and cultivars
RL Bell - HortScience, 2013 - journals.ashs.org
Twenty-one pear cultivars and breeders' selections with interspecific pedigrees involving
Pyrus ussuriensis Max. or P. pyrifolia (Burm.) Nakai crossed with P. communis were …
Pyrus ussuriensis Max. or P. pyrifolia (Burm.) Nakai crossed with P. communis were …