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1. First Report of Bushy Stunt of Japanese Spindle Caused by Rhodococcus spp. in Tunisia

Author:
S. Dhaouadi; A. H. Mougou; M. L. Gleason; A. Rhouma; E. J. Fichtner
Source:
Plant disease 2020 v.104 no.4 pp. 1250
ISSN:
0191-2917
Subject:
Euonymus japonicus; Iresine herbstii; Pistacia vera; Rhodococcus fascians; Rhodococcus rhodochrous; abnormal development; analysis of variance; branching; coasts; growth chambers; growth retardation; internodes; leaves; micropropagation; mixed infection; new geographic records; nucleotide sequences; pathogenicity; phenotype; pistachios; plant growth; plant height; plant nurseries; ribosomal DNA; roots; rootstocks; screening; sequence analysis; tissue culture; Tunisia; Western United States
Abstract:
... In 2018, approximately 50% of Japanese spindle plants (Euonymus japonicus) originating from tissue culture and grown in a Tunisian nursery on the south coast of Cape Bon exhibited abnormal development including stunting, shortened internodes, and enhanced lateral shoot proliferation. Because these same symptoms were recently caused by Rhodococcus spp. on micropropagated Iresine herbstii in another ...
DOI:
10.1094/PDIS-10-19-2066-PDN

2. Shoot Architecture and Morphology of Different Branch Orders in Fig Tree (Ficus carica L.)

Author:
Badii Gaaliche; Mouna Aїachi-Mezghani; Mehdi Trad; Evelyne Costes; Pierre-Eric Lauri; Messaoud Mars
Source:
International journal of fruit science 2016 v.16 no.4 pp. 378-394
ISSN:
1553-8621
Subject:
Ficus carica; branches; branching; community programs; cultivars; figs; genetic improvement; phenotypic variation; plant architecture; shoots; trees; Tunisia
Abstract:
... Tree architecture describes plant form by defining the spatial organization of different structures. Shoot branching is an important step in understanding the tree architecture. Such studies are required for analyzing phenotypic diversity of plant architecture. Because such studies are rare on fig trees, the architecture diversity among nine Tunisian fig cultivars grown in Chott-Mariem (center-eas ...
DOI:
10.1080/15538362.2015.1126699