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. Botanische Zeitung. Plants; Plants. 9. Jahrgang'. Jknt 5. September 1851. 36. Stuck. Inhalt* ©rag.: Raben hörst Mykologiscb.es. — Milde z. Kenntn. v. Anthoceros u. Blasia. — Ders. Beitr. z. sogen. Leuchten d. Moosse. — K. Müller Ausflug auf d. Thüringer Wald. — Äiit. 5 Lynch Bericht üb. d. Exped. d. verein. Staa- ten nach d. Jordan u. todten Meere. — Samml.: Klotzschii Herb. viv. mycolog. Cent. XVI. cur. L. Raben hörst. — PerS. STot. : Blume. — Schnizl'etlr. — Herbanowski. — Oken. — 625 — 620 — Mykologisches I. Von Dr. L. Rabenhorst. 4 XIII. Helminthosporium phyllophilum {Convol- vuli) Raben Stock Photo
RMRH9857–. Botanische Zeitung. Plants; Plants. 9. Jahrgang'. Jknt 5. September 1851. 36. Stuck. Inhalt* ©rag.: Raben hörst Mykologiscb.es. — Milde z. Kenntn. v. Anthoceros u. Blasia. — Ders. Beitr. z. sogen. Leuchten d. Moosse. — K. Müller Ausflug auf d. Thüringer Wald. — Äiit. 5 Lynch Bericht üb. d. Exped. d. verein. Staa- ten nach d. Jordan u. todten Meere. — Samml.: Klotzschii Herb. viv. mycolog. Cent. XVI. cur. L. Raben hörst. — PerS. STot. : Blume. — Schnizl'etlr. — Herbanowski. — Oken. — 625 — 620 — Mykologisches I. Von Dr. L. Rabenhorst. 4 XIII. Helminthosporium phyllophilum {Convol- vuli) Raben
. Botanisk tidsskrift. Botany; Plants; Plants. - 154 - I (lao Em.) viser Konidie III færdig, med en Tværvæg; dens Stør- relse er betydelig mindre end I a og IPs. Senere ingen Forandring. Fig. 12 A viser et Tilfælde, som er analogt med Fig. WH og J, idet der paa Spidsen af en Konidiebærer er dannet en Konidie, som paa sin Spids har dannet en ny, begge af typisk Helminthosporium- Form, valseformede med 4—5 Tværvægge; Fig. B, der er tegnet Dagen efter, viser, at de 2 nysnævte Konidier ikke har forandret. Fig. 12 (x 120). Fig. 13 (X 180) sig, men at den øverste af dem paa sin Spids har dannet en t Stock Photo
RMRH971R–. Botanisk tidsskrift. Botany; Plants; Plants. - 154 - I (lao Em.) viser Konidie III færdig, med en Tværvæg; dens Stør- relse er betydelig mindre end I a og IPs. Senere ingen Forandring. Fig. 12 A viser et Tilfælde, som er analogt med Fig. WH og J, idet der paa Spidsen af en Konidiebærer er dannet en Konidie, som paa sin Spids har dannet en ny, begge af typisk Helminthosporium- Form, valseformede med 4—5 Tværvægge; Fig. B, der er tegnet Dagen efter, viser, at de 2 nysnævte Konidier ikke har forandret. Fig. 12 (x 120). Fig. 13 (X 180) sig, men at den øverste af dem paa sin Spids har dannet en t
. Bulletin du Musum national d'histoire naturelle. Natural history. â 286 â et le petit 36 fx. Elle comprend Itois cellules; celle du milieu est cylin- drique, les deux autres ont l'extrémité libre arrondie. Les dimensions de cette espèce d'Hyphomycète sont à peu près constantes en longueur et en largeur. Les parois des loges sont minces; les conidies ont été rencon- trées toujours détachées de leur pédicelle, tantôt isolées, tantôt réunies en groupe. Helminthosporium apioides (fig. li, b). â Conidies pi ri formes formées de deux ou trois cellules, longues de 16 à 18 fx et larg Stock Photo
RMRGNJ5H–. Bulletin du Musum national d'histoire naturelle. Natural history. â 286 â et le petit 36 fx. Elle comprend Itois cellules; celle du milieu est cylin- drique, les deux autres ont l'extrémité libre arrondie. Les dimensions de cette espèce d'Hyphomycète sont à peu près constantes en longueur et en largeur. Les parois des loges sont minces; les conidies ont été rencon- trées toujours détachées de leur pédicelle, tantôt isolées, tantôt réunies en groupe. Helminthosporium apioides (fig. li, b). â Conidies pi ri formes formées de deux ou trois cellules, longues de 16 à 18 fx et larg
. Bulletin du MuseÌum d'histoire naturelle. Natural history. â 286 â et le petit 30 (i. Elle comprend trois cellules; celle du milieu est cylin- drique, les deux autres ont l'extrémité libre arrondie. Les dimensions de cette espèce d'Hyphomycète sont à peu près constantes en longueur et en largeur. Les parois des loges sont minces; les conidies ont été rencon- trées toujours détachées de leur pédicelle, tantôt isolées, tantôt réunies en groupe. Helminthosporium apioides (fig. h,b). â Conidies piriformes formées de deux ou trois cellules, longues de 16 à j 8 fx et larges de 12 à Stock Photo
RMRGNK85–. Bulletin du MuseÌum d'histoire naturelle. Natural history. â 286 â et le petit 30 (i. Elle comprend trois cellules; celle du milieu est cylin- drique, les deux autres ont l'extrémité libre arrondie. Les dimensions de cette espèce d'Hyphomycète sont à peu près constantes en longueur et en largeur. Les parois des loges sont minces; les conidies ont été rencon- trées toujours détachées de leur pédicelle, tantôt isolées, tantôt réunies en groupe. Helminthosporium apioides (fig. h,b). â Conidies piriformes formées de deux ou trois cellules, longues de 16 à j 8 fx et larges de 12 Ã
. Bulletin du MuseÌum d'histoire naturelle. Natural history. â '287 â 3o il Vi fx, lar|;;os à la |)ni'lio sii|)(^i-ieiir(' de; 7 à 8 fx, composées (1(3 ciiK] à sept ('('lliilcs, allant eu (liiniiuianl de diaiiiètie i(3(»ulièreijieiil depuis le soniiuet jus(|irau point d'attache. Helminthosporium iiiuudo Sac. â Conidies iiiesiirant iqo b i3o fx de ion(|ueiir et 8,5 (i dans sa plus jurande lai(]eur. De taille inf(3rieure aux Ue(mintliosporium hirudo vivants. Macrosporium ropai,()idks. â Conidie longue de 6G (ix, large de 20 (j. à la paiiie supt^iioure cl de i3 fjt à la ])artie inférieure; e Stock Photo
RMRGNK7W–. Bulletin du MuseÌum d'histoire naturelle. Natural history. â '287 â 3o il Vi fx, lar|;;os à la |)ni'lio sii|)(^i-ieiir(' de; 7 à 8 fx, composées (1(3 ciiK] à sept ('('lliilcs, allant eu (liiniiuianl de diaiiiètie i(3(»ulièreijieiil depuis le soniiuet jus(|irau point d'attache. Helminthosporium iiiuudo Sac. â Conidies iiiesiirant iqo b i3o fx de ion(|ueiir et 8,5 (i dans sa plus jurande lai(]eur. De taille inf(3rieure aux Ue(mintliosporium hirudo vivants. Macrosporium ropai,()idks. â Conidie longue de 6G (ix, large de 20 (j. à la paiiie supt^iioure cl de i3 fjt à la ])artie inférieure; e
. Distinguishing characteristics of some forage-grass diseases prevalent in the North Central states. Forage plants Diseases and pests Middle West; Grasses Diseases and pests Middle West. CHARACTERISTICS OF SOME FORAGE-GRASS DISEASES 11. Net Blotch Net blotch, a fungus disease caused by Helminthosporium dictyoides Drechsl., at- tacks only meadow fescue. Early sjmrptoms appear as irregular brownish areas on the leaves (fig. 11). Lesions are marked with a delicate netted pattern, and it is from this characteristic marking that the disease gets its common name. In the later stages of infection le Stock Photo
RMRCCHCC–. Distinguishing characteristics of some forage-grass diseases prevalent in the North Central states. Forage plants Diseases and pests Middle West; Grasses Diseases and pests Middle West. CHARACTERISTICS OF SOME FORAGE-GRASS DISEASES 11. Net Blotch Net blotch, a fungus disease caused by Helminthosporium dictyoides Drechsl., at- tacks only meadow fescue. Early sjmrptoms appear as irregular brownish areas on the leaves (fig. 11). Lesions are marked with a delicate netted pattern, and it is from this characteristic marking that the disease gets its common name. In the later stages of infection le
. Diseases of field crops. Plant diseases. (30 California Agricultural Extension Service [Cir- 121 and species of Helminthosporium and Pythium have been identified in this state. Grain that is not growing well on account of unfavorable soil conditions is most likely to be affected. In more humid climates, several of these fungi cause blighting or mold of the heads and kernels, but this. Fig. 36.—A, Nematode of wheat; 7>, wheat kernel show- ing mass of nematodes. (Courtesy of the United. States De- partment of Agriculture Cereal Disease Investigations; from Bui. 511.) does not occur in Calif Stock Photo
RMRCDP7P–. Diseases of field crops. Plant diseases. (30 California Agricultural Extension Service [Cir- 121 and species of Helminthosporium and Pythium have been identified in this state. Grain that is not growing well on account of unfavorable soil conditions is most likely to be affected. In more humid climates, several of these fungi cause blighting or mold of the heads and kernels, but this. Fig. 36.—A, Nematode of wheat; 7>, wheat kernel show- ing mass of nematodes. (Courtesy of the United. States De- partment of Agriculture Cereal Disease Investigations; from Bui. 511.) does not occur in Calif
. Diseases of field crops in the Prairie Provinces. Plants; Cultures de plein champ; Cultures de plein champ; Plantes. (1) Common leaf spot of alfalfa caused by Pseudopeziza medicaginis. (2) Northern anthrac- nose on red clover caused by Kabatiella caulivora. (3) Bacterial wilt of alfalfa caused by Corynebacterium insidiosum, (4) Downy mildew of sunflowers caused by Plasmopara halstcilii. (5) Bacterial black chaff of wheat caused by Xanthomonas translucent. (6) Net blotch of barley caused by Helminthosporium teres. (7) Speckled leaf disease of wheat caused by Septoria avenae f. sp. triticea. A Stock Photo
RMRCCK1J–. Diseases of field crops in the Prairie Provinces. Plants; Cultures de plein champ; Cultures de plein champ; Plantes. (1) Common leaf spot of alfalfa caused by Pseudopeziza medicaginis. (2) Northern anthrac- nose on red clover caused by Kabatiella caulivora. (3) Bacterial wilt of alfalfa caused by Corynebacterium insidiosum, (4) Downy mildew of sunflowers caused by Plasmopara halstcilii. (5) Bacterial black chaff of wheat caused by Xanthomonas translucent. (6) Net blotch of barley caused by Helminthosporium teres. (7) Speckled leaf disease of wheat caused by Septoria avenae f. sp. triticea. A
. Diseases of small grain crops in Illinois. Grain. 66 ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 35 the leaf to assume a withered appearance, as if injured by adverse weather conditions. As the badly diseased leaves die, they change from green to pale yellow or gray, and the brown of the diseased spots fades. 'The oats head sometimes becomes infected. Then. Fig. 22.—Helminthosporium leaf spot of oats. Leaf infection by Helmintho- sporium causes dying of narrow, oblong strips of leaf tissue between veins. The dead tissues turn rustv brown. the fungus enters the hull surrounding the kernel and ma Stock Photo
RMRCDHD9–. Diseases of small grain crops in Illinois. Grain. 66 ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 35 the leaf to assume a withered appearance, as if injured by adverse weather conditions. As the badly diseased leaves die, they change from green to pale yellow or gray, and the brown of the diseased spots fades. 'The oats head sometimes becomes infected. Then. Fig. 22.—Helminthosporium leaf spot of oats. Leaf infection by Helmintho- sporium causes dying of narrow, oblong strips of leaf tissue between veins. The dead tissues turn rustv brown. the fungus enters the hull surrounding the kernel and ma
. Diseases of cereal and forage crops in the United States in 1921. Grain Diseases and pests United States; Forage plants Diseases and pests United States. 212 BARLEY - Net blotch. Pig- 53- Occurrence of stern mst (Fuccinia f;raminis) and leaf rust (Puccinia simplex) of barley during I92I. Net blotch caused by Helminthosporium teres Sacc. Helrninthosporium teres was observed in eleven states: Nev/ York, Illinois, Michigan, Wisconsin, I'innesotaj North Dakota, South Dakota, Montana, Colorado, Oregon, and California. Melhus estim;^ted that the net blotch reduced the yield in lov/a by Evans repor Stock Photo
RMRCDA1X–. Diseases of cereal and forage crops in the United States in 1921. Grain Diseases and pests United States; Forage plants Diseases and pests United States. 212 BARLEY - Net blotch. Pig- 53- Occurrence of stern mst (Fuccinia f;raminis) and leaf rust (Puccinia simplex) of barley during I92I. Net blotch caused by Helminthosporium teres Sacc. Helrninthosporium teres was observed in eleven states: Nev/ York, Illinois, Michigan, Wisconsin, I'innesotaj North Dakota, South Dakota, Montana, Colorado, Oregon, and California. Melhus estim;^ted that the net blotch reduced the yield in lov/a by Evans repor
. Diseases of wheat, oats, barley, and rye. Grain. BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 81. Fig. 27.—Helminthosporium leaf blotch of oats. Leaf infection by Hel- minthosporium causes dying of narrow, oblong strips of leaf tissue between veins. The dead tissue turns rusty brown. tion of leaf area has ranged from 0.4 to 19 per cent. Data col- lected since 1928 indicate that, as an annual average, 46 per cent of the oat plants grown in the state are infected and that this infection destroys about 5 per cent of the oat leaf area. Appearance.—The oblong to elongate, light reddish-brown s Stock Photo
RMRCCK5N–. Diseases of wheat, oats, barley, and rye. Grain. BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 81. Fig. 27.—Helminthosporium leaf blotch of oats. Leaf infection by Hel- minthosporium causes dying of narrow, oblong strips of leaf tissue between veins. The dead tissue turns rusty brown. tion of leaf area has ranged from 0.4 to 19 per cent. Data col- lected since 1928 indicate that, as an annual average, 46 per cent of the oat plants grown in the state are infected and that this infection destroys about 5 per cent of the oat leaf area. Appearance.—The oblong to elongate, light reddish-brown s
. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. é«ç²±ä¸è¾¹ç·£ä¸ºç´«ç´ è²ï¼é¿ç´¡éå½¢ï¼ä¸¤é¢å¯çç°é» è²çµ¨æ¯æ ·éç¶ç©ã' ç åèèçèä¸-çåç¥èï¼åçå-¢çæ¢ä¸ çï¼æ©æ¬è²ï¼æ2ã8个éèï¼åçå-¢å-ç´¡éå½¢ï¼ åè²ï¼æ1ã9个éèï¼è¦å¾5)ã å³æ-ååç èµçµ²å¨ç çµç¹ä¸-è¶å¬ï¼ç¬¬äº å¹´å½¢æåçå-¢å-,éé£å³æ-ä¾µæãåç é温为 28ã30°Cãææ-åç éã é²æ´½æ³-. (1 )ç§éç å¶æ·ºæ ªçæ¯ã (2 )åç éæ¶åºå®è¡è¼ªä½ã (3)æ ½å¹è¼æç çåç§ã. é¢5 ç米大æç ç è åçå-¢å-æ¢ååçæ±å- (ä¸ï¼çç±³å°æç ï¼è¡åº¥æç ï¼ Helminthosporium maydis Nish. and Miyake. çç¶åç åæ-¤ç åçäºçç±³å ¨çè²æ,å¹¼èèª1ã2寸åå°±å¼ å§åç ãä¾µæå¶çãå¶éãèå¶ãéè±ãä¸è¬å èªä¸é¨å¶çå¼å§åç ,é Stock Photo
RMRCB77M–. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. é«ç²±ä¸è¾¹ç·£ä¸ºç´«ç´ è²ï¼é¿ç´¡éå½¢ï¼ä¸¤é¢å¯çç°é» è²çµ¨æ¯æ ·éç¶ç©ã' ç åèèçèä¸-çåç¥èï¼åçå-¢çæ¢ä¸ çï¼æ©æ¬è²ï¼æ2ã8个éèï¼åçå-¢å-ç´¡éå½¢ï¼ åè²ï¼æ1ã9个éèï¼è¦å¾5)ã å³æ-ååç èµçµ²å¨ç çµç¹ä¸-è¶å¬ï¼ç¬¬äº å¹´å½¢æåçå-¢å-,éé£å³æ-ä¾µæãåç é温为 28ã30°Cãææ-åç éã é²æ´½æ³-. (1 )ç§éç å¶æ·ºæ ªçæ¯ã (2 )åç éæ¶åºå®è¡è¼ªä½ã (3)æ ½å¹è¼æç çåç§ã. é¢5 ç米大æç ç è åçå-¢å-æ¢ååçæ±å- (ä¸ï¼çç±³å°æç ï¼è¡åº¥æç ï¼ Helminthosporium maydis Nish. and Miyake. çç¶åç åæ-¤ç åçäºçç±³å ¨çè²æ,å¹¼èèª1ã2寸åå°±å¼ å§åç ãä¾µæå¶çãå¶éãèå¶ãéè±ãä¸è¬å èªä¸é¨å¶çå¼å§åç ,é
. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. å¾ ^çã é²æ²»æ³ï¼ (1) æ¶é¤ç°é被害æ®æ ªï¼å® è¡ç§ç¿»æ·±ååä¸-ã (2) é¿å é£ä½ã (3) 注ææ½è¥å¿ä½¿ç¼ºè¥ã (å «ï¼é«ç²±å¤§æç . (ç ¤ç´ç ï¼ Helminthosporium ' turctcum Pass. çç¶åç åå¨é«ç²±å¶ä¸å é«ç²±æç¹ç åçå-¢ ç大çæ¢-å½¢ç æï¼ç æ寬ç´1ç § å-æ¢ååçå-¢å- ç±³,é¿ç´10åç±³ï¼ä¸¥^:æ¶ç æç¸é£ æ大ææ使å¶çä¸é¨æå ¨é¨ç¥æ-»;ç æ边緣紫è²ï¼ä¸-é褪æé»è²ï¼åæ é¿åºåçå-¢å-ï¼åç°è²ç ¤ç´ç¶ã - å³æ-ååç è¦ç米大æç ã é²æ²»æ³è¦ç米大æç ã å -é稻ç 害 ä¸åé稻çç 害ï¼å·³ç¥åççæåæ°ç§ãè¿å¹´æ¥æ®éåçã为害严 éçæ¯ç¨»çç åè¡çª³æç ãæ¶èç ãæ¡æç ãç´æ¯ç çåçä¹è¼æ® ä½ä¸ºå®³ Stock Photo
RMRCB700–. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. å¾ ^çã é²æ²»æ³ï¼ (1) æ¶é¤ç°é被害æ®æ ªï¼å® è¡ç§ç¿»æ·±ååä¸-ã (2) é¿å é£ä½ã (3) 注ææ½è¥å¿ä½¿ç¼ºè¥ã (å «ï¼é«ç²±å¤§æç . (ç ¤ç´ç ï¼ Helminthosporium ' turctcum Pass. çç¶åç åå¨é«ç²±å¶ä¸å é«ç²±æç¹ç åçå-¢ ç大çæ¢-å½¢ç æï¼ç æ寬ç´1ç § å-æ¢ååçå-¢å- ç±³,é¿ç´10åç±³ï¼ä¸¥^:æ¶ç æç¸é£ æ大ææ使å¶çä¸é¨æå ¨é¨ç¥æ-»;ç æ边緣紫è²ï¼ä¸-é褪æé»è²ï¼åæ é¿åºåçå-¢å-ï¼åç°è²ç ¤ç´ç¶ã - å³æ-ååç è¦ç米大æç ã é²æ²»æ³è¦ç米大æç ã å -é稻ç 害 ä¸åé稻çç 害ï¼å·³ç¥åççæåæ°ç§ãè¿å¹´æ¥æ®éåçã为害严 éçæ¯ç¨»çç åè¡çª³æç ãæ¶èç ãæ¡æç ãç´æ¯ç çåçä¹è¼æ® ä½ä¸ºå®³
. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. å¾ ^çã é²æ²»æ³ï¼ (1) æ¶é¤ç°é被害æ®æ ªï¼å® è¡ç§ç¿»æ·±ååä¸-ã (2) é¿å é£ä½ã (3) 注ææ½è¥å¿ä½¿ç¼ºè¥ã (å «ï¼é«ç²±å¤§æç . (ç ¤ç´ç ï¼ Helminthosporium ' turctcum Pass. çç¶åç åå¨é«ç²±å¶ä¸å é«ç²±æç¹ç åçå-¢ ç大çæ¢-å½¢ç æï¼ç æ寬ç´1ç § å-æ¢ååçå-¢å- ç±³,é¿ç´10åç±³ï¼ä¸¥^:æ¶ç æç¸é£ æ大ææ使å¶çä¸é¨æå ¨é¨ç¥æ-»;ç æ边緣紫è²ï¼ä¸-é褪æé»è²ï¼åæ é¿åºåçå-¢å-ï¼åç°è²ç ¤ç´ç¶ã - å³æ-ååç è¦ç米大æç ã é²æ²»æ³è¦ç米大æç ã å -é稻ç 害 ä¸åé稻çç 害ï¼å·³ç¥åççæåæ°ç§ãè¿å¹´æ¥æ®éåçã为害严 éçæ¯ç¨»çç åè¡çª³æç ãæ¶èç ãæ¡æç ãç´æ¯ç çåçä¹è¼æ® ä½ä¸ºå®³ Stock Photo
RMRCB702–. dong bei nong zuo wu bing chong hai fang zhi gong zuo shou ce. botany. å¾ ^çã é²æ²»æ³ï¼ (1) æ¶é¤ç°é被害æ®æ ªï¼å® è¡ç§ç¿»æ·±ååä¸-ã (2) é¿å é£ä½ã (3) 注ææ½è¥å¿ä½¿ç¼ºè¥ã (å «ï¼é«ç²±å¤§æç . (ç ¤ç´ç ï¼ Helminthosporium ' turctcum Pass. çç¶åç åå¨é«ç²±å¶ä¸å é«ç²±æç¹ç åçå-¢ ç大çæ¢-å½¢ç æï¼ç æ寬ç´1ç § å-æ¢ååçå-¢å- ç±³,é¿ç´10åç±³ï¼ä¸¥^:æ¶ç æç¸é£ æ大ææ使å¶çä¸é¨æå ¨é¨ç¥æ-»;ç æ边緣紫è²ï¼ä¸-é褪æé»è²ï¼åæ é¿åºåçå-¢å-ï¼åç°è²ç ¤ç´ç¶ã - å³æ-ååç è¦ç米大æç ã é²æ²»æ³è¦ç米大æç ã å -é稻ç 害 ä¸åé稻çç 害ï¼å·³ç¥åççæåæ°ç§ãè¿å¹´æ¥æ®éåçã为害严 éçæ¯ç¨»çç åè¡çª³æç ãæ¶èç ãæ¡æç ãç´æ¯ç çåçä¹è¼æ® ä½ä¸ºå®³
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