First Report of<i>Nigrospora sphaerica</i>Causing Shot Hole Disease on Mulberry in China

Chen, Jun; Xiang, T.; Liu, X. Y.; Wang, W. H.; Zhang, B. L.; Liu, J.; Zhou, Wei; Wan, Yuhe; Chen, G.; Zhu, Haochen

doi:10.1094/pdis-06-17-0914-pdn

Cited by 15 publications

(1 citation statement)

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“…However, N. sphaerica was reported to cause leaf blight on blueberry in Argentina [52] and on tea [53] and Chinese fir (Cunninghamia lanceolata Lamb.) in China [54], it was also reported to cause shot holes in mulberry in China [55]. Although results from this study clearly show that A22F1 was not pathogenic on dogwood from where it was isolated or on bell pepper where it exhibited effective biological control of P. capsici, it is important to test A22F1 for pathogenicity on blueberry, mulberry and other crops that have been reported as hosts to N. sphaerica.…”

Section: Discussionmentioning

confidence: 84%

Screening of Plant Endophytes as Biological Control Agents against Root Rot Pathogens of Pepper (Capsicum annum L.)

Mt¹,

Gurung²,

Maheshwari³

2018

J Plant Pathol Microbiol

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In this study, 16 endophytes previously isolated from flowering dogwood (Cornus florida) stem tissue without causing any external symptoms, were screened for bioactivity against different root rot pathogens, Fusarium solani, Fusarium oxysporum, Macrophomina phaseolina and three Phytophthora species. While most of the endophytes suppressed pathogen growth in dual culture and exhibited potential as biological control agents, one fungal endophyte A22F1, (Nigrospora sphaerica) was evaluated further in growth chamber and greenhouse experiments in which it markedly reduced Phytophthora capsici root rot on three pepper cultivars 'California Wonder', 'Pepper Cayenne' and 'Numex Primarvera'. Thus, endophyte A22F1 has high potential as a biological control agent for P. capsici in pepper. It's in vitro bioactivity displayed against F. solani, F. oxysporum, and M. phaseolina require additional in vivo studies on susceptible hosts.

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