Capnodiales » Mycosphaerellaceae » Pachyramichloridium

Pachyramichloridium pini

Pachyramichloridium pini (de Hoog & Rahman) C. Nakash., Videira & Crous, in Videira, Groenewald, Nakashima, Braun, Barreto, de Wit & Crous, Stud. Mycol. 87: 371 (2017)

            ≡ Ramichloridium pini de Hoog & Rahman, in de Hoog, Rahman & Boekhout, Trans. Br. mycol. Soc. 81(3): 485 (1983)

            Index Fungorum number: IF 158681; Facesoffungi number: FoF xxx, Fig. 1

Description: see Videira et al. (2017)

            Material examined: see Videira et al. (2017)



Fig. 1. Pachyramichloridium pini (redrawn from de Hoog et al. 2011) a, b Conidiophores, conidiogenous cells and conidia. Scale bar = 10 µm.


Importance and role

Importance of genus to ecosystem

Species of Pachyramichloridium are pathogenic. They are responsible for causing a needle disease on Pinus contorta (Rahman et al. 1994). They affect tissues and can sometimes kill whole trees in the grove or early pole stage (Packham et al. 2001).


Industrial relevance and applications

There are currently no industrial applications of Pachyramichloridium.


Quarantine significance

No biocontrol agent from Pachyramichloridium has been reported. There is evidence that some Ramichloridium sp., have the ability to control anthracnose caused by Collectotrichum gloeosporioides (Peters et al. 2020). It seems that Pachyramichloridium can be a promising candidate for the biological control of some endophytic fungi but this warrants further investigation.



Biochemical importance of the genus, chemical diversity or applications

The chemical diversity of Pachyramichloridium has not been investigated yet.  Pachyramichloridium may produce important enzymes or toxins which needs further studies.


Diversity of the genus

Pachyramichloridium comprises only one species known on branch of Pinus contorta (Pinaceae). More species of Pachyramichloridim need to be discovered from understudied hosts and regions.



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