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P. Venkatasubbaiah

Works (12)

Updated: July 5th, 2023 15:52

1995 journal article

THE STRUCTURE AND BIOLOGICAL PROPERTIES OF SECONDARY METABOLITES PRODUCED BY PELTASTER FRUCTICOLA, A FUNGUS ASSOCIATED WITH APPLE SOOTY BLOTCH DISEASE

PLANT DISEASE, 79(11), 1157–1160.

By: P. Venkatasubbaiah*, T. Sutton & W. Chilton

topics (OpenAlex): Plant Pathogens and Fungal Diseases; Fungal Plant Pathogen Control; Plant-Microbe Interactions and Immunity
TL;DR: The four toxins were nonspecific ; they caused necrosis when spotted on different cultivars or strains of apple and on eight weed species, and showed strong antifungal properties against Botryosphaeria dothidea, B. obtusa, Colletotrichum gloeosporioides, and C. acutatum in vitro. (via Semantic Scholar)
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15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1994 journal article

METABOLITES OF OPHIOSPHAERELLA-HERPOTRICHA, A CAUSE OF SPRING DEAD SPOT OF BERMUDAGRASS

MYCOPATHOLOGIA, 128(3), 155–159.

By: P. Venkatasubbaiah n, N. Tisserat * & W. Chilton n

author keywords: BERMUDAGRASS; EPOXYDONS; PHYTOTOXINS; OPHIOSPHAERELLA HERPOTRICHA; SPRING DEAD SPOT
topics (OpenAlex): Plant and fungal interactions; Plant Pathogens and Fungal Diseases; Plant Disease Resistance and Genetics
TL;DR: Ophiosphaerella herpotricha, a cause of spring dead spot (SDS) of bermudagrass, produced seven metabolites, including epoxydon, the major metabolite isolated, and destruxin-B, previously reported as a host-specific toxin on Brassica napus, failed to cause necrosis on leaves ofBermudgrass cultivars susceptible to SDS. (via Semantic Scholar)
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14. Life Below Water (OpenAlex)
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Added: August 6, 2018

1992 journal article

AN EPOXYDON-DERIVED ESTER FROM A PHOMA SP PATHOGENIC TO RHUBARB

JOURNAL OF NATURAL PRODUCTS, 55(5), 639–643.

By: P. Venkatasubbaiah* & W. Chilton

topics (OpenAlex): Phytochemistry and biological activity of medicinal plants; Flowering Plant Growth and Cultivation; Powdery Mildew Fungal Diseases
TL;DR: A newly identified rhubarb pathogen, Phoma sp., produces in liquid culture four phytotoxins, which were identified as 6-methylsalicylic acid, epoxydon,desoxyepoxyd on, and 4,5-dihydroxy-6-(6'-methylsalicyloxy)-2-hydroxymethyl-2-cyclohexen-1-one. (via Semantic Scholar)
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Added: August 6, 2018

1992 journal article

LEAF-SPOT OF HEMP DOGBANE CAUSED BY STAGONOSPORA-APOCYNI, AND ITS PHYTOTOXINS

JOURNAL OF PHYTOPATHOLOGY-PHYTOPATHOLOGISCHE ZEITSCHRIFT, 135(4), 309–316.

By: P. Venkatasubbaiah n, A. Baudoin  n & W. Chilton n

topics (OpenAlex): Plant and fungal interactions; Plant Pathogens and Fungal Diseases; Fungal Biology and Applications
TL;DR: The fungus produced phytotoxins citrinin, mellein, tyrosol and α–acetylorcinol in liquid culture, which caused necrosis when placed on leaves of hemp dogbane, and eight other weed species. (via Semantic Scholar)
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Added: August 6, 2018

1992 journal article

PHYTOTOXIC METABOLITES OF PHOMA-SORGHINA, A NEW FOLIAR PATHOGEN OF POKEWEED

MYCOLOGIA, 84(5), 715–723.

By: P. Venkatasubbaiah n, C. Vandyke & W. Chilton n

author keywords: EPOXYDON; PHOMA-SORGHINA; POKEWEED; SECONDARY METABOLITES
topics (OpenAlex): Plant Pathogens and Fungal Diseases; Plant Pathogens and Resistance; Plant-Microbe Interactions and Immunity
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15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1992 journal article

PHYTOTOXINS OF ASCOCHYTA-HYALOSPORA, CAUSAL AGENT OF LAMBSQUARTERS LEAF-SPOT

JOURNAL OF NATURAL PRODUCTS, 55(4), 461–467.

By: P. Venkatasubbaiah* & W. Chilton

topics (OpenAlex): Botanical Research and Chemistry; Agricultural safety and regulations; Plant and fungal interactions
TL;DR: Three phytotoxins, ascochytine, pyrenolide A, and a new metabolite hyalopyrone, isolated from cultures of Ascochyta hyalospora, the causal agent of lambsquarters leaf spot, inhibited most bacterial and fungal growth, and also inhibited sorghum root growth. (via Semantic Scholar)
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1992 journal article

PHYTOTOXINS PRODUCED BY TUBAKIA-DRYINA

MYCOPATHOLOGIA, 120(1), 33–37.

By: P. Venkatasubbaiah n & W. Chilton n

author keywords: TUBAKIA-DRYINA; PHYTOTOXINS; RED OAK; HYDROXYISOSCLERONE; HYDROXYMELLEIN
topics (OpenAlex): Plant Pathogens and Fungal Diseases; Forest Insect Ecology and Management; Plant and fungal interactions
TL;DR: Tubakia dryina, the causal agent of red oak (Quercus rubra) leaf spot, produced the phytotoxins isoscler one, 3-hydroxyisosclerone, 6-Hydroxymellein and 6-hydroxymallein in liquid culture, which caused large necrosis when placed on leaves ofred oak. (via Semantic Scholar)
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15. Life on Land (OpenAlex)
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Added: August 6, 2018

1991 article

A NEW SPECIES OF PESTALOTIOPSIS ON OENOTHERA

MYCOLOGIA, Vol. 83, pp. 511–513.

By: P. Venkatasubbaiah n, L. Grand n & C. Vandyke

topics (OpenAlex): Plant Pathogens and Fungal Diseases; Nematode management and characterization studies; Plant and fungal interactions
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2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1991 journal article

EFFECT OF PHYTOTOXINS PRODUCED BY BOTRYOSPHAERIA-OBTUSA, THE CAUSE OF BLACK ROT OF APPLE FRUIT AND FROGEYE LEAF-SPOT

PHYTOPATHOLOGY, 81(3), 243–247.

By: P. Venkatasubbaiah*, T. Sutton & W. Chilton

topics (OpenAlex): Plant Pathogens and Fungal Diseases; Allelopathy and phytotoxic interactions; Plant and fungal interactions
TL;DR: Botryosphaeria obtusa, which causes black rot of apple fruit and frogeye leaf spot, produced phytotoxins in culture, infected fruit, and spore germination fluids. (via Semantic Scholar)
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1991 journal article

PHYTOTOXINS PRODUCED BY PESTALOTIOPSIS-OENOTHERAE, A PATHOGEN OF EVENING PRIMROSE

PHYTOCHEMISTRY, 30(5), 1471–1474.

By: P. Venkatasubbaiah n, C. Vandyke & W. Chilton

author keywords: PESTALOTIOPSIS-OENOTHERAE; OENOTHERA-LACINIATA; ONAGRACEAE; EVENING PRIMROSE; FUNGAL PHYTOTOXINS; OXYSPORONE; PESTALOPYRONE; PESTALOTIN; HYDROXYPESTALOTIN
topics (OpenAlex): Plant Pathogens and Fungal Diseases; Lichen and fungal ecology; Plant and fungal interactions
TL;DR: The major phytotoxin produced by Pestalotiopsis oenotherae, a pathogen of evening primrose, has been identified as oxysporone, a compound not previously known as a phytOToxin. (via Semantic Scholar)
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1991 journal article

TOXINS PRODUCED BY THE DOGWOOD ANTHRACNOSE FUNGUS DISCULA-SP

JOURNAL OF NATURAL PRODUCTS, 54(5), 1293–1297.

By: P. Venkatasubbaiah* & W. Chilton

topics (OpenAlex): Plant Pathogens and Fungal Diseases; Plant and fungal interactions; Mycotoxins in Agriculture and Food
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1990 article

PHYTOTOXINS OF PLANT-PATHOGENS .4. PHYTOTOXINS OF BOTRYOSPHAERIA-OBTUSA

JOURNAL OF NATURAL PRODUCTS, Vol. 53, pp. 1628–1630.

By: P. Venkatasubbaiah* & W. Chilton

topics (OpenAlex): Plant Pathogens and Fungal Diseases; Chemical synthesis and alkaloids; Entomopathogenic Microorganisms in Pest Control
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Source: Web Of Science
Added: August 6, 2018

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