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Nigrospora Stock Photos and Images

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Nigrospora Stock Photos and Images

Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob. Stock Photo
RF2T0AR3Y–Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob.
. Bulletin. Natural history; Natural history. HARRIS: INITIAL STUDIES OF ELM DISEASES 55 conidiophores arise is very dark brown and has thicker walls than the ordinary vegetative mycelium, which is either light brown or hyaline. As ma}' be seen in figure 'SlA the spores of Nigrospora are formed in great abundance in culture. The conidiophores, figure 3IB, may be either short and simple or rather long and several-septate. They are always swollen or enlarged at the apex, which is the point of spore attachment. The conidia are globose or nearly so,, smooth, brown when young and opaque black when Stock Photo
RMRGWERR–. Bulletin. Natural history; Natural history. HARRIS: INITIAL STUDIES OF ELM DISEASES 55 conidiophores arise is very dark brown and has thicker walls than the ordinary vegetative mycelium, which is either light brown or hyaline. As ma}' be seen in figure 'SlA the spores of Nigrospora are formed in great abundance in culture. The conidiophores, figure 3IB, may be either short and simple or rather long and several-septate. They are always swollen or enlarged at the apex, which is the point of spore attachment. The conidia are globose or nearly so,, smooth, brown when young and opaque black when
. The fungi which cause plant disease . Plant diseases; Fungi. 600 THE FUNGI WHICH CAUSE PLANT DISEASE Monotosporese (p. 595) Conidia dark, solitary, acrogenous. Key to Genera of Monotosporese Sterile hyphae lacking Fertile hyphae short and fascicled at base 1. Hadrotrichum. Fertile hyphse longer, separate 2. Monotospora. Sterile hyphse present Conidia with a loose hyaline membrane. 3. Nigrospora. Conidia without a membrane Conidia with a large shining drop... 4. Sporoglena. Conidia without a shining drop 5. Acremoniella, p. 600. Acremoniella Saccardo Hyphse creeping, simple or ramose, hyaline Stock Photo
RMPG45J3–. The fungi which cause plant disease . Plant diseases; Fungi. 600 THE FUNGI WHICH CAUSE PLANT DISEASE Monotosporese (p. 595) Conidia dark, solitary, acrogenous. Key to Genera of Monotosporese Sterile hyphae lacking Fertile hyphae short and fascicled at base 1. Hadrotrichum. Fertile hyphse longer, separate 2. Monotospora. Sterile hyphse present Conidia with a loose hyaline membrane. 3. Nigrospora. Conidia without a membrane Conidia with a large shining drop... 4. Sporoglena. Conidia without a shining drop 5. Acremoniella, p. 600. Acremoniella Saccardo Hyphse creeping, simple or ramose, hyaline
Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob. Stock Photo
RF2T0AR4D–Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob.
. Bulletin. Natural history; Natural history. 224 ILLINOIS NATURAL HISTORY SURVEY BULLETIN Vol. 21, Art. 6 twi't: was hroun internall and liad blight- ed leaves witli purplish petioles attached. Tlie blighted petiole was shriveled, dead purplish internally and e.xternally, and was attached to a twig that had hper-. Fig. 45.— Culture o Nigrospora. The white to gray, abundant growth of mycelium devel- ops on corn meal agar.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati Stock Photo
RMRGWCWB–. Bulletin. Natural history; Natural history. 224 ILLINOIS NATURAL HISTORY SURVEY BULLETIN Vol. 21, Art. 6 twi't: was hroun internall and liad blight- ed leaves witli purplish petioles attached. Tlie blighted petiole was shriveled, dead purplish internally and e.xternally, and was attached to a twig that had hper-. Fig. 45.— Culture o Nigrospora. The white to gray, abundant growth of mycelium devel- ops on corn meal agar.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati
Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob. Stock Photo
RF2T0AR60–Corn, maize (Zea mays), damage by Fusarium. Germinating seeds on the corn cob.
. The fungi which cause plant disease . Plant diseases; Fungi. 600 THE FUNGI WHICH CAUSE PLANT DISEASE Monotosporese (p. 595) Conidia dark, solitary, acrogenous. Key to Genera of Monotosporese Sterile hyphae lacking Fertile hyphae short and fascicled at base 1. Hadrotrichum. Fertile hyphse longer, separate 2. Monotospora. Sterile hyphse present Conidia with a loose hyaline membrane. 3. Nigrospora. Conidia without a membrane Conidia with a large shining drop... 4. Sporoglena. Conidia without a shining drop 5. Acremoniella, p. 600. Acremoniella Saccardo Hyphse creeping, simple or ramose, hyaline Stock Photo
RMRDE51M–. The fungi which cause plant disease . Plant diseases; Fungi. 600 THE FUNGI WHICH CAUSE PLANT DISEASE Monotosporese (p. 595) Conidia dark, solitary, acrogenous. Key to Genera of Monotosporese Sterile hyphae lacking Fertile hyphae short and fascicled at base 1. Hadrotrichum. Fertile hyphse longer, separate 2. Monotospora. Sterile hyphse present Conidia with a loose hyaline membrane. 3. Nigrospora. Conidia without a membrane Conidia with a large shining drop... 4. Sporoglena. Conidia without a shining drop 5. Acremoniella, p. 600. Acremoniella Saccardo Hyphse creeping, simple or ramose, hyaline
. Bulletin. Natural history; Natural history. Fig. 45.— Culture o Nigrospora. The white to gray, abundant growth of mycelium devel- ops on corn meal agar.. Fig. 46.—Spores oiNigrospora. The black, smooth, globose to ovoid spores develop singly on doliform basidia. X 320. trophied buds. Siyrnspnni was not found fruiting on the diseased wood of any speci- mens of oak. Both Xit/rosporii and Cor- yiiriiin were cultured from the blighted twig of post oak; Dothinrclln and Alter- iiiiria, as well as Nii/ros/tora, were cul- tured from the blighted petioles of pin oak. When grown on corn meal agar, th Stock Photo
RMRGWCTT–. Bulletin. Natural history; Natural history. Fig. 45.— Culture o Nigrospora. The white to gray, abundant growth of mycelium devel- ops on corn meal agar.. Fig. 46.—Spores oiNigrospora. The black, smooth, globose to ovoid spores develop singly on doliform basidia. X 320. trophied buds. Siyrnspnni was not found fruiting on the diseased wood of any speci- mens of oak. Both Xit/rosporii and Cor- yiiriiin were cultured from the blighted twig of post oak; Dothinrclln and Alter- iiiiria, as well as Nii/ros/tora, were cul- tured from the blighted petioles of pin oak. When grown on corn meal agar, th
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