Results 1 to 10 of about 10,158 (170)

Paulownia Witches’ Broom Disease: A Comprehensive Review [PDF]

Microorganisms
Phytoplasmas are insect-transmitted bacterial pathogens associated with diseases in a wide range of host plants, resulting in significant economic and ecological losses.
Yajie Zhang, Zesen Qiao, Jidong Li, Assunta Bertaccini   +3 more
doaj   +5 more sources

“Candidatus Phytoplasma balanitae” Associated with Witches’ Broom Disease of Jackal Jujube (Zizyphus oenoplia L.) in South India [PDF]

Research in Agricultural Sciences, 2023
During survey, 12 Jackal jujube plant samples showing the symptoms of witches’ broom disease were collected from the Shivamogga district of Karnataka, India, between 2017 and 2018. The causal agent associated with Jackal jujube witches’ broom disease was
C. N. Lakshmınarayana Reddy, M. Krıshna Reddy, M. Nandan, H. D. Vınaykumar, K. V. Ashwathappa, V. Venkataravanappa   +5 more
doaj   +2 more sources

Cacao clones modulate pod tolerance to witches’ broom and nutritional imbalances, enhancing cocoa production in the Amazon [PDF]

Scientific Reports
Cacao cultivation in the Brazilian Amazon is constrained by nutritional imbalances and a high incidence of witches’ broom disease. Understanding how nutrient status influences disease tolerance and yield is essential for improving productivity.
Edilaine Istéfani Franklin Traspadini, Renato de Mello Prado, Paulo Guilherme Salvador Wadt, Priscila Lupino Gratão, Sylviane Beck Ribeiro, Douglas Marcelo Pinheiro da Silva   +5 more
doaj   +2 more sources

Comprehensive genomic and functional characterization of a phytoplasma associated with root retardation, early bolting, witches’-broom, and phyllody in daikon (Raphanus sativus L.) [PDF]

Frontiers in Microbiology
Daikon (Raphanus sativus L. var. longipinnatus) is an economically important root crop and medicinal plant. In 2021, a previously unreported disease outbreak characterized by early bolting, witches’-broom, phyllody, virescence, and severe root growth ...
Yi-Ching Chiu, Yu-Chen Lin, Shang-Hung Pao, Yuh-Kun Chen, Pei-Qing Liao, Helen Mae Mejia, Chiou-Rong Sheue, Chih-Horng Kuo, Chih-Horng Kuo, Jun-Yi Yang, Jun-Yi Yang, Jun-Yi Yang, Jun-Yi Yang   +12 more
doaj   +2 more sources

A Witches’-Broom Disease of Cultivated Strawberry Associated with ‘Candidatus Phytoplasma Rubi’-Related Strains in Southern Italy [PDF]

Plants
In the Campania region of southern Italy, a formerly undescribed witches’-broom disease of cultivated strawberry characterized by symptoms similar to those of strawberry witches’-broom and multiplier diseases occurring in North America, has been observed.
Carmine Marcone, Carmine Palmieri, Alberto Sellitto   +2 more
doaj   +2 more sources

First report of 16SrII–A phytoplasma associated with witches’ broom in Heliotropium arboreum (Blanco) Mabb. from Xisha Islands, with Halticus minutus as a putative vector [PDF]

Frontiers in Plant Science
Heliotropium arboreum (Blanco) Mabb. (syn. Tournefortia argentea), a key pioneer plant in tropical coastal ecosystems, plays a vital role in stabilizing coral islands. In China’s Xisha Islands, H.
Bao Wang, Bao Wang, Likai Feng, Heye Qin, Xuncong Ji, Ruijun Duan, Weikang Huang   +6 more
doaj   +2 more sources

First Complete Genome Sequence of Palo Verde Broom Emaravirus, Virus-Derived siRNA Signatures, and Phytohormone-Metabolite Profiling of Witches’ Broom-Affected Palo Verde Trees [PDF]

Viruses
Witches’ broom disease of blue palo verde (Parkinsonia florida) was reported more than sixty years ago. Characteristic symptoms consist of dense clusters of shortened, brittle branches and stunted leaves.
Raphael O. Adegbola, Muhammad Ilyas, Dinusha C. Maheepala, Ursula K. Schuch, Judith K. Brown   +4 more
doaj   +2 more sources

Genomic insights into the pathogenicity of a ‘Candidatus Phytoplasma asteris’ associated with Trema levigata witches’ broom disease in China [PDF]

BMC Plant Biology
Background Phytoplasma research encounters limitations due to the lack of availability of pure cultures of these microorganisms. In this study a culture-independent approach was employed to investigate the genome and pathogenic mechanisms of phytoplasma ...
Qiao Kai, Wan Qionglian, Li Xuemei, Wang Lianchun, Su Fan, Lei Jinfu, Shangguan Muzi, Li Mei, Shahzad Munir, Cai Hong   +9 more
doaj   +2 more sources

Comparative genome analysis of jujube witches’-broom Phytoplasma, an obligate pathogen that causes jujube witches’-broom disease [PDF]

BMC Genomics, 2018
Background JWB phytoplasma is a kind of insect-transmitted and uncultivable bacterial plant pathogen causeing a destructive Jujube disease. To date, no genome information about JWB phytoplasma has been published, which hindered its characterization at ...
Jie Wang, Laiqing Song, Qiqing Jiao, Shuke Yang, Rui Gao, Xingbo Lu, Guangfang Zhou   +6 more
doaj   +2 more sources

Genetic evaluation and selection of cocoa tree clones [PDF]

Ciência Rural, 2022
: The cultivation of cocoa is of great socio-economic importance worldwide. Cocoa beans are the essential raw material for chocolate production. The variability of cacao studied presents only a small fraction of the existing genetic diversity, mainly in ...
Maria Eduarda da Silva Guimarães, Luiz Antônio dos Santos Dias, Caio Márcio Vasconcellos Cordeiro de Almeida, Carlos Alberto Spaggiari Souza, Odimar Ferreira Almeida, Carolina Santos Benjamin, Guilherme Rodrigues Pereira, Fernando José dos Santos Dias, Thais Roseli Corrêa   +8 more
doaj   +1 more source