Results 81 to 90 of about 36,457 (162)

Classification of a new phytoplasmas subgroup 16SrII-W associated with Crotalaria witches’ broom diseases in Oman based on multigene sequence analysis

BMC Microbiology, 2017
Background Crotalaria aegyptiaca, a low shrub is commonly observed in the sandy soils of wadis desert and is found throughout all regions in Oman. A survey for phytoplasma diseases was conducted.
Ali Al-Subhi, Saskia A. Hogenhout, Rashid A. Al-Yahyai, Abdullah M. Al-Sadi   +3 more
doaj   +1 more source

Pest categorisation of Witches' broom disease of lime (Citrus aurantifolia) phytoplasma [PDF]

, 2017
The EFSA Panelon Plant Health performed a pest categorisation for the Witches' broom disease of lime (Citrusaurantifolia) phytoplasma for the EU territory.
Ariena Van Bruggen, Niere, Björn, Wopke Van der Werf, Gregoire, Jean‐Claude, Michael Jeger, David Caffier, Gianni Gilioli, Stephen Parnell, Stephan Winter, Maria Navajas Navarro, Thierry Candresse, Caffier, David, Alan MacLeod, Parnell, Stephen, Jaques Miret, Josep Anton, Josep Anton Jaques Miret, West, Jonathan, Urek, Gregor, Björn Niere, Gilioli, Gianni, Cristina Marzachi, Gregor Urek, null null, Jeger, Michael, Van Bruggen, Ariena, Chatzivassiliou, Elisavet, Elisavet Chatzivassiliou, Roel Potting, MacLeod, Alan, Dickinson, Matthew, Navarro, Maria Navajas, Potting, Roel, Hollo, Gabor, Jonathan West, Bragard, Claude, Dehnen‐Schmutz, Katharina, Katharina Dehnen‐Schmutz, Jean‐Claude Gregoire, Matthew Dickinson, Candresse, Thierry, Van der Werf, Wopke, Trond Rafoss, Rossi, Vittorio, Gabor Hollo, Claude Bragard, Winter, Stephan, Vittorio Rossi, Rafoss, Trond, Marzachi, Cristina, Parnell, S., Van Der Werf, W., EFSA, Panel on Plant Health (PLH), Niere, B., Rossi, V., Dickinson, M., Potting, R., Van Bruggen, A., MacLeod, A., Rafoss, T., Candresse, T., Jaques Miret, J. A., Gregoire, J. C., Bragard, C., West, Jon, EFSA Panel on Plant Health (PLH), Urek, G., Navarro, M. N., Marzachi, C., Gilioli, G., West, J. S., Winter, S., Hollo, G., Chatzivassiliou, E., Dehnen-Schmutz, K., Jeger, M., Caffier, D.   +75 more
core   +1 more source

Cone quality and seed efficiency in the clones from mutational witches brooms of Pinus sibirica

BIO Web of Conferences, 2018
Mutational witches' broom is a fragment of the tree crown with abnormal morphogenesis including slow shoot growth, abundant branching and decreased apical dominance which caused by somatic mutation that presumably originates in the apical meristem bud ...
Polyakova Olga, Zhuk Evgeniya, Goroshkevich Sergei   +2 more
doaj   +1 more source

Identification, occurrence, incidence and transmission of phytoplasma associated with Petunia violacea witches’ broom in Iran.

, 2019
A petunia witches’ broom (PvWB) disease, characterized by phyllody, virescence, witches’ broom, little leaf and yellowing, was observed in municipal lands and parks in Bandar Abbas, Hormozgan province, Iran.
Chamran Hemmati, Hemmati C., M. Nikooei, Mehrnoosh Nikooei, Assunta Bertaccini, A. Bertaccini   +5 more
core   +1 more source

Resistance to and Transmission of Witches\u27 Broom and Comparative Yields of Alfalfa Varieties in the Uintah Basin, Utah [PDF]

, 1959
Alfalfa is the most important forage crop in Utah. It is of particular importance to the Uintah Basin, Utah area where alfalfa hay and seed production are major sources of agricultural income.
Glover, David Val
core   +1 more source

BRS Careca, BRS Fartura, BRS Duquesa, BRS Curinga, and BRS Golias: new cupuassu tree cultivars

Crop Breeding and Applied Biotechnology, 2020
The cultivars BRS Careca, BRS Fartura, BRS Duquesa, BRS Curinga, and BRS Golias of Theobroma grandiflorum are characterized by high levels of fruit production and diverse sources of resistance to witches’ broom disease.
Rafael Moysés Alves, Saulo Fabrício da Silva Chaves   +1 more
doaj  

Marcadores microssatélites relacionados com a resistência à vassoura-de-bruxa do cacaueiro Microsatellite markers related to resistance of cocoa tree against witches'-broom

Pesquisa Agropecuária Brasileira, 2007
Os objetivos deste trabalho foram caracterizar a resistência à vassoura-de-bruxa de plantas de cacau originadas do cruzamento entre TSH 1188 e CCN 51 (população segregante), por meio de dois métodos de inoculação em condições de campo, e identificar ...
Rogério Mercês Ferreira Santos, Uilson Vanderlei Lopes, Rita de Cássia Bahia, Regina Celle Rebouças Machado, Dário Ahnert, Ronan Xavier Corrêa   +5 more
doaj   +1 more source

Witches' broom disease of lucerne : (1) witches' broom of lucerne in relation to environment : (2) the identity of witches' broom of lucerne and big bud of tomato in Australia

, 1953
(1) Witches' broom of lucerne in relation to environment Masking of symptoms of witches' broom infected plants occurred annually in the spring growth in the Lachlan Valley, New South Wales.
Helms, K (15929348)
core   +1 more source

Identification and Molecular Characterization of a 16SrII-A Phytoplasma Associated with Cucumber Phyllody in China

Agronomy
Cucumber plants (Cucumis sativus) displaying symptoms of phyllody, sterility, and flower virescence were observed in fields located in the Dianbai district of Guangdong province, China.
Youwei Xi, Mengdan Du, Yafei Tang, Xiaoman She, Guobing Lan, Lin Yu, Shanwen Ding, Zifu He, Zhenggang Li   +8 more
doaj   +1 more source

A novel phytoplasma associated with witches' broom disease of Ligustrum ovalifolium in Turkey

, 2013
California privet (Ligustrum ovalifolium Hassk.) plants exhibiting leaf yellowing, witches' broom, dieback and decline symptoms were observed for two years (2010-2011) in three gardens at Adana region (Turkey).
Elbeaino T., Çağlar B.K.
core   +1 more source