Parasitism of fungi on Vascular Plants

Luttrell, E. S.

doi:10.1080/00275514.1974.12019567

Cited by 51 publications

(34 citation statements)

References 9 publications

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“…1C), as did the noninfected cells. This shows that C. truncatum has an initial hemibiotrophic relationship with the lentil host, because of the symptomless infection of host cells, lasting at least 3 days, followed by cell death and lesion formation (Luttrell 1974).…”

Section: Host Response To Infectionmentioning

confidence: 98%

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Infection byColletotrichum truncatumin resistant and susceptible lentil genotypes

Chongo¹,

Gossen

Bernier

2002

Canadian Journal of Plant Pathology

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The process of infection of lentil (Lens culinaris Medik.) by Colletotrichum truncatum (Schwein.) Andrus and W.D. Moore was studied on lentil on a partially resistant line and a susceptible cultivar, using one highly virulent and one moderately virulent isolate. Leaves and stem tissue were sampled at regular intervals from 1 to 144 h postinoculation (hpi). Infection was characterized by a symptomless phase lasting 3 days and a destructive phase between 3 and 6 days after inoculation. Conidia germinated within 3-6 hpi and formed appressoria at 6-12 hpi. Infection pegs from the appressoria penetrated the cuticle and epidermal cells directly. Hyphae in host tissues grew inter-and intra-cellularly, starting at 24 hpi. Differences in pathogen development on the two lentil genotypes became apparent at 48 hpi. In the resistant line, deposits of material stained with aniline blue were prominent during infection by the moderately virulent isolate, but were not produced during infection by the highly virulent isolate. No deposits were observed in the susceptible cultivar. Also, hyphal spread was slower and phenolic compounds accumulated more quickly in the resistant line, resulting in fewer, smaller lesions than in the susceptible cultivar.

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Section: Host Response To Infectionmentioning

confidence: 98%

“…exhibit a symptomless phase, during which host cells are colonized extensively, followed by a necrotic phase that results in visible lesions. Pathogens with this pattern of infection are known as hemibiotrophs (Luttrell 1974). Colletotrichum truncatum on pea exhibits an initial intracellular hemibiotrophic infection (O'Connell et al 1993).…”

Section: Introductionmentioning

confidence: 99%

Infection byColletotrichum truncatumin resistant and susceptible lentil genotypes

Chongo¹,

Gossen

Bernier

2002

Canadian Journal of Plant Pathology

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“…Leaf material prepared at the time of sporulation revealed extensive development of mycelium within the necrotic plant cells. ley, 1991) and Guignardia bidwellii (Luttrell, 1974).…”

Section: Resultsmentioning

confidence: 98%

Infection and Fungal Development of Tubakia dryina on Sweet Gum (Liquidambar styraciflua)

Taylor

Clark

1996

Mycologia

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Infection and fungal development of Tubakia dryina were investigated on leaves of sweet gum using a combination of microscopic techniques. Conidia of T. dryina adhered to the leaf surface and formed septate germ tubes. Germ tubes terminated in small appressoria that formed directly over epidermal cells. Intra-and intercellular hyphae ramified extensively throughout the leaf tissue. Host cells associated with the infection site became necrotic and collapsed, resulting in macroscopic disease symptoms.

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“…During an extended asymptomatic phase, the fungus is presumed to acquire nutrients biotrophically from leaky host cells (Davis et al ., ; Jones and Ayres, ). The lifestyle of R. commune can be better described by one of the contemporary meanings of the term hemibiotrophy (Luttrell, ; Oliver and Ipcho, ; Zhan et al ., ). It is applied to species such as Cladosporium fulvum , Mycosphaerella graminicola and P. brassicae , which have an extended (4–14 days) asymptomatic phase, followed by the increasing development of plant tissue damage (Oliver and Ipcho, ).…”

Section: Infection Biology and Epidemiologymentioning

confidence: 99%