255:
37:
189:. It is generally harmless in older trees. However, it causes browning of needles, which can slow growth, weaken overall resistance to opportunistic pathogens, and can sometimes outright kill seedlings, making
292:
overwinters in the dead terminal tufts of fallen needles that adhere to twigs as well as fallen needles in general. Spores splashed up from these can activate an infection in spring.
427:
407:
299:, and moist weather favors it. Experiments suggest that it grows the most at 10–25°C; slight infection can occur from 0–5°C; and none at all over 30 °C.
281:
The fungus is native to Europe, but has since spread elsewhere. Its first reported appearance in North
America was in 1942, but probably spread there much earlier.
847:
942:
886:
266:
handle it better. It is detected by an appearance of yellow or brown spots on needles during or after wet weather. If moist conditions continue, colorless
554:. Forest insect and disease management guide for the northern and central Rocky Mountains. USDA Forest Service, Northern Region, State and Private Forestry.
834:
702:
583:
258:
The cycle from infection, to leaf cast, to sporulation and reinfection may take only 2 to 4 weeks, depending on temperature and rainfall.
873:
741:
36:
891:
319:
947:
644:
326:
can be used in nurseries, although control in a wider natural forest setting is generally not practical.
131:
204:, which causes larch needle blight. Both fungi can infest the same larch for a more virulent effect.
901:
826:
694:
548:
262:
The needle cast and needle blight affects all species of larch, although it has been speculated that
937:
733:
377:
373:
221:
333:
is not always recognized as such, as the results can be confused with damage from insects or from
473:
31:
852:
254:
909:
795:
754:
676:
579:
522:
224:(Vuill.) in France in 1896. DNA analysis in the 1990s indicated its closest ancestor was the
914:
759:
622:
612:
512:
504:
465:
263:
322:(diameter) leading to culling by the maintainer for failing to meet the expected size.
821:
689:
517:
492:
931:
315:
311:
194:
78:
508:
800:
681:
667:
170:
98:
493:"Recommendations on generic names competing for use in Leotiomycetes (Ascomycota)"
786:
356:, and can produce ill effects more substantial than either plant pathogen alone.
878:
746:
728:
226:
166:
108:
88:
68:
808:
323:
48:
526:
860:
780:
715:
661:
456:
Gernandt, David S. (1997). "Meria
Laricis, an Anamorph of Rhabdocline".
839:
707:
627:
491:
Johnston, P.R.; Seifert, K.A.; Stone, J.K.; et al. (true) (2014).
477:
267:
617:
600:
318:. Even if the infected tree ultimately survives, it may have reduced
274:
begin to grow, appearing as white spots. Browned needles consumed by
865:
720:
58:
638:
469:
348:
The species becomes substantially more problematic when paired with
813:
599:
Maresi, Giorgio; Capretti, Paolo; Ambrosi, P.; Minerbi, S. (2004).
382:
Comptes rendus hebdomadaires des séances de l'Académie des sciences
334:
271:
253:
174:
578:(Second ed.). Ithaca: Cornell University Press. p. 60.
230:
genus, with the similarity significant enough for the genera of
642:
378:"Les Hypostomacées, nouvelle famille des Champignons para site"
270:
develop on the lower surface of needles in clusters, and
770:
651:
601:"Larch crown diseases in Trentino and South Tyrol"
200:The fungus is sometimes confused with the similar
314:that are attempting to grow larches such as the
8:
574:Sinclair, Wayne A.; Lyon, Howard H. (2005).
639:
569:
567:
565:
563:
561:
549:"Larch needle cast ecology and management"
278:eventually wither and drop off the larch.
20:
626:
616:
516:
246:chosen as the name of the merged genus.
542:
540:
538:
536:
365:
212:The species is traditionally known as
943:Fungal conifer pathogens and diseases
352:, an ascomycete fungus that lives on
7:
902:957eb10c-8a3e-4dd5-a306-e0d4491580d1
399:
397:
395:
14:
242:to be combined as synonyms, with
434:. Government of British Columbia
414:. Government of British Columbia
35:
509:10.5598/imafungus.2014.05.01.11
181:), it causes the plant disease
1:
576:Diseases of Trees and Shrubs
964:
605:Journal of Forest Science
208:Taxonomy and nomenclature
137:
130:
32:Scientific classification
30:
23:
547:Hagle, Susan K. (2004).
295:Dry weather suppresses
220:was first described by
259:
428:"Larch needle blight"
257:
169:fungus in the family
374:Vuillemin, Jean Paul
350:Hypodermella laricis
343:Hypodermella laricis
202:Hypodermella laricis
653:Rhabdocline laricis
408:"Larch needle cast"
331:Rhabdocline laricis
308:Rhabdocline laricis
297:Rhabdocline laricis
290:Rhabdocline laricis
276:Rhabdocline laricis
222:Jean Paul Vuillemin
191:Rhabdocline laricis
187:meria needle blight
156:Rhabdocline laricis
147:(Vuill.) J.K. Stone
141:Rhabdocline laricis
25:Rhabdocline laricis
260:
925:
924:
910:Open Tree of Life
755:Open Tree of Life
645:Taxon identifiers
618:10.17221/4628-JFS
585:978-0-8014-4371-8
341:Interaction with
183:larch needle cast
152:
151:
16:Species of fungus
955:
918:
917:
905:
904:
895:
894:
882:
881:
879:BMSSYS0000011125
869:
868:
856:
855:
843:
842:
830:
829:
817:
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791:
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763:
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750:
749:
747:BMSSYS0000050549
737:
736:
724:
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453:
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421:
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390:
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370:
264:Japanese larches
185:, also known as
159:, also known as
143:
40:
39:
21:
963:
962:
958:
957:
956:
954:
953:
952:
928:
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470:10.2307/3761130
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437:
435:
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417:
415:
406:
402:
393:
372:
371:
367:
362:
346:
310:is a threat to
305:
287:
252:
250:Plant pathology
210:
177:conifer trees (
148:
145:
139:
126:
123:R. laricis
34:
17:
12:
11:
5:
961:
959:
951:
950:
948:Fungus species
945:
940:
930:
929:
923:
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844:
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738:
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655:
649:
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635:
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611:(7): 313–318.
591:
584:
557:
532:
483:
464:(5): 735–744.
448:
445:
444:
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403:
391:
364:
363:
361:
358:
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312:tree nurseries
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195:tree nurseries
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28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
960:
949:
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916:
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823:
819:
815:
810:
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802:
797:
793:
788:
782:
778:
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772:Meria laricis
769:
761:
756:
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748:
743:
739:
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717:
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543:
541:
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528:
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514:
510:
506:
503:(1): 91–120.
502:
498:
494:
487:
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479:
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471:
467:
463:
459:
452:
449:
433:
429:
425:
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387:
384:(in French).
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359:
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327:
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317:
316:Western larch
313:
309:
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298:
293:
291:
285:Disease cycle
284:
282:
279:
277:
273:
269:
265:
256:
249:
247:
245:
241:
237:
233:
229:
228:
223:
219:
215:
214:Meria laricis
207:
205:
203:
198:
196:
192:
188:
184:
180:
176:
172:
168:
164:
163:
162:Meria laricis
158:
157:
144:
142:
136:
133:
132:Binomial name
129:
125:
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119:
116:
115:
112:
111:
107:
104:
103:
100:
97:
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79:Leotiomycetes
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54:
53:
50:
47:
44:
43:
38:
33:
29:
26:
22:
19:
771:
652:
608:
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451:
436:. Retrieved
431:
416:. Retrieved
411:
385:
381:
368:
353:
349:
347:
342:
330:
329:Damage from
328:
307:
306:
296:
294:
289:
288:
280:
275:
261:
243:
239:
235:
231:
225:
217:
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211:
201:
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193:a threat in
190:
186:
182:
178:
171:Cenangiaceae
161:
160:
155:
154:
153:
140:
138:
122:
121:
109:
99:Cenangiaceae
24:
18:
729:NatureServe
628:10449/18379
244:Rhabdocline
240:Rhabdocline
236:Hartigiella
227:Rhabdocline
167:hyphomycete
110:Rhabdocline
938:Helotiales
932:Categories
668:Q108316656
497:IMA Fungus
388:: 545–548.
360:References
89:Helotiales
69:Ascomycota
65:Division:
787:Q10581782
734:2.1157106
458:Mycologia
432:gov.bc.ca
412:gov.bc.ca
324:Fungicide
117:Species:
55:Kingdom:
49:Eukaryota
861:MycoBank
853:11135103
822:Fungorum
781:Wikidata
716:MycoBank
690:Fungorum
662:Wikidata
527:25083411
438:July 29,
418:July 29,
376:(1896).
95:Family:
45:Domain:
840:5255908
708:8365396
518:4107902
478:3761130
303:Control
268:conidia
165:, is a
105:Genus:
85:Order:
75:Class:
915:164628
899:NZOR:
866:152305
827:152305
814:MERILA
760:164628
721:808826
695:808826
582:
525:
515:
476:
272:spores
238:, and
173:. In
892:66513
848:IRMNG
801:3ZTS9
682:78RXQ
552:(PDF)
474:JSTOR
354:Larix
335:frost
232:Meria
218:Meria
179:Larix
175:larch
59:Fungi
887:NCBI
835:GBIF
809:EPPO
703:GBIF
580:ISBN
523:PMID
440:2023
420:2023
874:NBN
796:CoL
742:NBN
677:CoL
623:hdl
613:doi
513:PMC
505:doi
466:doi
386:122
320:DBH
216:.
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621:.
609:50
607:.
603:.
560:^
535:^
521:.
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472:.
462:89
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430:.
410:.
394:^
380:.
337:.
234:,
197:.
631:.
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588:.
529:.
507::
501:5
480:.
468::
442:.
422:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
