The Subepidermal Fungi of Cereal Grains Ii. The Nature, Identity and Origin of the Mycelium in Wheat

Hyde, M. B.; Galleymore, H. Barbara

doi:10.1111/j.1744-7348.1951.tb07810.x

Cited by 46 publications

(13 citation statements)

References 16 publications

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“…and Fusarium spp. with B. sorokiniana in both wheat and barley seeds supports earlier studies of the possibility of presence of these fungi in barley and wheat seeds (Hayde and Galleymore 1951; Cosier and Waters 1959; Lutey and Christensen 1963).…”

Section: Discussionsupporting

confidence: 88%

Influence of Seed-borne Cochliobolus sativus (Anamorph Bipolaris sorokiniana) on Crown Rot and Root Rot of Barley and Wheat

Al-Sadi¹,

Deadman²

2010

Journal of Phytopathology

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The effect of seed-borne pathogens of wheat and barley on crown and root rot diseases of seven barley cultivars (Jimah-6, Jimah-51, Jimah-54, Jimah-58, Omani, Beecher and Duraqi) and three wheat cultivars (Cooley, Maissani and Shawarir) was investigated. Bipolaris sorokiniana and Alternaria alternata were detected in seeds of at least eight cultivars, but Fusarium species in seeds of only two barley cultivars (Jimah-54 and Jimah-58). Crown rot and root rot symptoms developed on barley and wheat cultivars following germination of infected seeds in sterilized growing media. Bipolaris sorokiniana was the only pathogen consistently isolated from crowns and roots of the emerging seedlings. In addition, crown rot and root rot diseases of non-inoculated barley cultivars correlated significantly with B. sorokiniana inoculum in seeds (P = 0.0019), but not with Fusarium or Alternaria (P > 0.05). These results indicate the role of seed-borne inoculum of B. sorokiniana in development of crown rot and root rot diseases. Pathogenicity tests of B. sorokiniana isolates confirmed its role in inducing crown rot and root rot, with two wheat cultivars being more resistant to crown and root rots than most barley cultivars (P < 0.05). Barley cultivars also exhibited significant differences in resistance to crown rot (P < 0.05). In addition, black point disease symptoms were observed on seeds of three barley cultivars and were found to significantly affect seed germination and growth of some of these cultivars. This study confirms the role of seed-borne inoculum of B. sorokiniana in crown and root rots of wheat and barley and is the first report in Oman of the association of B. sorokiniana with black point disease of barley.

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Section: Discussionsupporting

confidence: 88%

Influence of Seed-borne Cochliobolus sativus (Anamorph Bipolaris sorokiniana) on Crown Rot and Root Rot of Barley and Wheat

Al-Sadi¹,

Deadman²

2010

Journal of Phytopathology

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“…ST-373 is considered tolerant to V. dahliae (Göre et al 2009). Other fungi commonly associated with seed included species of Penicillium, Alternaria, Stemphylium, Fusarium and Trichoderma (Fakhrunnisa and Ghaffar 2006;Hyde and Galleymore 1951;Neergaard 1977;Verma and Khan 1965). Five cultivars with an average DI rate above 85%, were selected for further studies.…”

Section: Resultsmentioning

confidence: 99%

Seed transmission of verticillium wilt of cotton

Göre

Erdoğan²,

Altın³

et al. 2011

Phytoparasitica

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Twenty-nine cotton genotypes with varying levels of susceptibility to Verticillium dahliae were grown in infested plots at Nazilli, Aydın, in 2008Aydın, in -2009. The highest level of disease incidence was recorded in cultivars 'BA-151', 'Celia', 'Çukurova-1518', 'Flaş' and 'Maraş 92', and averaged 85-95% for all genotypes in both years. The incidence of V. dahliae in seed averaged 29.8% for cv. Çukurova-1518, 27.6% for Flaş, 24.6% for cv. BA-151, 19.0% for cv. Celia and 16.2% for Maraş 92. Two hundred seeds from each genotype were planted, two seeds per pot, in a steam-pasteurized mixture of soil, peat, and sand. Pots were placed close to each other on a greenhouse bench to obtain a thick canopy. Typical disease symptoms appeared about 12-13 weeks after sowing. Maximum disease incidence values averaged 3.3% for Celia, 4.5% for Maraş 92, 8% for BA-151, 9% for Flaş and 9.5% for Çukurova-1518.

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“…The fungi can be identified and their location ascertained by incubating seed or portions of seed on agar (Mulinge & Chesters, 1970;Tempe & Limonard, 1973;Flannigan, 1974) but this does not give a quantitative measure of colonization. Methods of direct observation have been described; the outer layers of seed containing the fungi are removed or seed sections are prepared and the fungi are then stained (Hyde, 1950;Warnock & Preece, 1971; Mulinge & Chesters, 1970). The colonization of barley and oat seed can be studied by removing and then examining the husk.…”

Section: Introductionmentioning

confidence: 99%