Results 31 to 40 of about 71,815 (218)

Hawthorn Lace Bug (Hemiptera: Tingidae), First Record of Injury to Roses, with a Review of Host Plants [PDF]

open access: yes, 2017
Hawthorn lace bug, Coryrhucha cydoniae (Fitch), is reported for the first time as damag- ing roses. Injury to climbing and hybrid Tea roses is described, and a list of known host plants is provided based on observations in Pennsylvania and review of ...
Wheeler, A. G, Jr
core   +2 more sources

High resolution physical mapping of single gene fragments on pachytene chromosome 4 and 7 of Rosa [PDF]

open access: yes, 2015
Background: Rosaceae is a family containing many economically important fruit and ornamental species. Although fluorescence in situ hybridization (FISH)-based physical mapping of plant genomes is a valuable tool for map-based cloning, comparative ...
Khrustaleva, Ludmila I   +2 more
core   +2 more sources

Comparative genomics analysis of pheophorbide a oxygenase (PAO) genes in eight pyrus genomes and their regulatory role in multiple stress responses in Chinese pear (Pyrus bretschneideri)

open access: yesFrontiers in Genetics
Pyrus (pear) is among the most nutritious fruits and contains fibers that have great health benefits to humans. It is mostly cultivated in temperate regions globally and is highly subjected to biotic and abiotic stresses which affect its yield ...
Yuchen Ma   +7 more
doaj   +1 more source

Evolutionary Rate Heterogeneity and Functional Divergence of Orthologous Genes in Pyrus

open access: yesBiomolecules, 2019
Negatively selected genes (NSGs) and positively selected genes (PSGs) are the two types of most nuclear protein-coding genes in organisms. However, the evolutionary rates and characteristics of different types of genes have been rarely understood. In the
Yunpeng Cao   +3 more
doaj   +1 more source

ACC Synthase Genes Related to Cold-dependent Ripening in Pear Fruit [PDF]

open access: yes, 2004
The differential regulation of ACC synthase genes has been studied in pear cultivars that either require a long chilling treatment before they are capable of ripening (‘Passe-Crassane’, PC) or not (‘Old-Home’, OH) and in OH x PC hybrids having no (A16)
El-Sharkawy, Islam   +3 more
core   +1 more source

Special issue: Ribosome-inactivating proteins : commemorative issue in honor of Professor Fiorenzo Stirpe [PDF]

open access: yes, 2017
The family of ribosome-inactivating proteins (RIPs) groups all enzymes (EC.3.2.2.22) with a so-called RIP domain which comprises N-glycosidase activity and enables these proteins to catalytically inactivate ribosomes.[...
Van Damme, Els
core   +3 more sources

The occurrence and morphological characteristics of the wild pear lower taxa in Slovakia

open access: yesHorticultural Science, 2009
The occurrence of 10 lower taxa within species Pyrus pyraster L. (Burgsd.) was confirmed in Slovakia. Among 507 of the evaluated plants on 64 localities, there were recorded 2 sub-species of the wild pear - Pyrus pyraster subsp.
V. Paganová
doaj   +1 more source

Tracing change in the public perception of plants: insights from archives and social media in China

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu   +4 more
wiley   +1 more source

Evaluation of lifespan values of six tree taxa in city streets

open access: yesInternational Journal of Horticultural Science, 2018
The aim of this study was to evaluate lifespan values of trees in tree-row system in the streets of Debrecen in two years (2009 and 2017). Six selected taxa (Pyrus calleryana, Acer tataricum, Sorbus intermedia, Magnolia kobus, Acer platanoides and ...
A. Zsiláné-André   +2 more
doaj   +1 more source

An NMR study on internal browning in pears [PDF]

open access: yes, 2007
Internal browning in pears (Pyrus communis L. cv. Blanquilla) has been studied by NMR and MRI in order to develop a non-destructive procedure for on-line disorder identification.
B.P. Hills   +25 more
core   +2 more sources

Home - About - Disclaimer - Privacy