ISSN: 0973-7510

E-ISSN: 2581-690X

Rongtao Fu, Mingjing Zhou, Chuanchun Yin, Aiping Zheng and Ping Li
1Rice Research Institute, Sichuan Agricultural University, 211 Huiming Road,
Wenjiang District, Chengdu City, Sichuan Province, China.
J Pure Appl Microbiol. 2014;8(2):1209-1216
© The Author(s). 2014
Received: 08/07/2013 | Accepted: 16/08/2013 | Published: 31/04/2014
Abstract

Rhizoctonia solani AG-1 IC (teleomorph: Thanatephorus cucumeris) is an important soilborne plant pathogenic fungus. This study carried out the morphological feature observation of AG-1 IC, karyotype analyses, and infection process observation of Chinese kale and soybean. We found the sclerotia consisted of dense mycelium using scanning electron microscopy. For the most part, per cell of hyphae contained between 4 and 6 nuclei, and in most cases, each nucleus possessed 12 or 13 chromosomes. Symptom development on Chinese kale and soybean by AG-1 IC was studied. The disease symptoms of Chinese kale were more serious than soybean. AG-1 IC grew over the plant, adhered, and formed infection cushions and appressoria. Multiple invasions from the epidermal cell and hyphal invasion Chinese kale through stoma were observed.

Keywords

Thanatephorus cucumeris, Karyological analysis, Chromosome, Appressorium

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