Sorghum:Photos
Sorghum Pest and Nutritional Disorder Photos
Contents
- 1 Aluminum(Al)(normal)__Aluminum(Al)(excess)
- 2 Aluminum(Al)_excess
- 3 Aluminum(Al)_excess
- 4 Aluminum(Al)_excess
- 5 Aluminum(Al)_excess
- 6 Aluminum(Al)_excess
- 7 Aluminum(Al)_excess
- 8 Aluminum(Al)_excess
- 9 Aluminum(Al)_excess,_Genotype_differences
- 10 Aluminum(Al)_excess
- 11 Anthracnose
- 12 Ba_excess
- 13 Bacterial_streak_(Xanthomonas_campestris_pv)
- 14 Bacterial_stripe_(Pseudomonas_andropogonas)
- 15 Bacterial_stripe_(Pseudomonas_andropogonas)
- 16 Bacterial_top_rot_(Erwinia_chrysanthemi)
- 17 Bacterial_top_rot_(Erwinia_chrysanthemi)
- 18 Bird_injury
- 19 Boron_deficiency
- 20 Boron_deficiency
- 21 Boron_excess
- 22 C,_Cd,_Ba_excess
- 23 Ca,_Mg,_P,_N,_K,_deficiency
- 24 Ca_(CaCl2)_excess
- 25 Ca_excess
- 26 Calcium_deficiency
- 27 Calcium_deficiency
- 28 Calcium_deficiency
- 29 Calcium_deficiency
- 30 Cd_excess
- 31 Charcoal_rot_(Macrophomina_phaseolina)
- 32 Chinch_bugs,_(Blissus_leucopterus)
- 33 Chinch_bugs,_(Blissus_leucopterus)
- 34 Chinch_bugs,_(Blissus_leucopterus)
- 35 Co_excess
- 36 Co_excess
- 37 Colletotricum_1
- 38 Cr_excess
- 39 Crazy_top_downy_mildew_(Sclerophthora_macrospora)
- 40 Crazy_top_downy_mildew_(Sclerophthora_macrospora)
- 41 Cu_deficiency
- 42 Cu_excess
- 43 Cygon_Damage
- 44 Ergot_of_sorghum_(Claviceps_africana)
- 45 Ergot_of_sorghum_(Claviceps_africana)
- 46 Ergot_of_sorghum_(Claviceps_africana)
- 47 Etiococcum_sp.
- 48 Etiococcum_sp.
- 49 European_corn_borer_(Ostrinia_nubilalis)
- 50 Fusarium_stalk_rot_(Fusarium_sp.)
- 51 Fusarium_stalk_rot_(Fusarium_sp.)
- 52 Fusarium_stalk_rot_(Fusarium_sp.)
- 53 Greenbug_(Schizaphis_graminum)
- 54 Greenbugs_(Schizaphis_graminum)
- 55 Head_mold_
- 56 Hg_excess
- 57 Insecticide_Damage
- 58 Iron(Fe)_deficiency
- 59 Iron(Fe)_deficiency
- 60 Iron(Fe)_deficiency
- 61 Iron(Fe)_deficiency
- 62 Iron(Fe)__deficiency
- 63 Iron(Fe)__excess
- 64 Iron(Fe)_deficiency
- 65 K_excess
- 66 K_SO4_excess
- 67 Leaf_blight_(Bipolaris_sp.)
- 68 Leaf_spot_(Circospora_sp.)
- 69 Magnisium_deficiency
- 70 Magnisium_deficiency
- 71 Mg_deficiency
- 72 Mg_deficiency
- 73 MgCl2_excess
- 74 Mn_deficiency
- 75 Mn_deficiency
- 76 Mn_excess
- 77 Mo_excess
- 78 Na_excess
- 79 NH4_excess
- 80 Ni_excess
- 81 Nitrogen_deficiency
- 82 Nitrogen_deficiency
- 83 Nitrogen_deficiency
- 84 Nitrogen_deficiency
- 85 Nitrogen_rich
- 86 NO3_Ca_excess
- 87 NO3_excess
- 88 P,_K,_Mg,_Mn_deficiency
- 89 P_excess
- 90 P_excess
- 91 P_excess
- 92 P_excess
- 93 Pb_excess
- 94 Phosphorus_deficiency
- 95 Phosphorus_deficiency
- 96 Phosphorus_deficiency
- 97 Pokkah_boeng_1
- 98 Potassium_deficiency
- 99 Potassium_deficiency
- 100 Potassium_deficiency
- 101 Potassium_deficiency
- 102 Potyviruses
- 103 Potyviruses
- 104 Potyviruses
- 105 Potyviruses
- 106 Se_excess
- 107 Si_excess
- 108 Smut
- 109 Sooty_stripe,_(Ramulisporia_sorghi)
- 110 Sooty_stripe,_(Ramulisporia_sorghi)
- 111 Sooty_stripe,_(Ramulisporia_sorghi)
- 112 Sorghum_bicolor
- 113 Sorghum_bicolor
- 114 Sorghum_bicolor
- 115 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 116 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 117 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 118 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 119 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 120 Sorghum_downy_mildew_(Sclerospora_sorghi)
- 121 Sorghum_midge_(Stenodiplosis_sorgicola)
- 122 Sorghum_midge_(Stenodiplosis_sorgicola)
- 123 Sorghum_rust_(Puccinia_purpurea)
- 124 Sorghum_rust_(Puccinia_purpurea)
- 125 Sorghum_yellow_banding_virus
- 126 Spores
- 127 Sr_excess
- 128 Sulfer_deficiency
- 129 Sulfer_deficiency
- 130 Zinc_deficiency
- 131 Zinc_deficiency
- 132 Zinc_deficiency
- 133 Zinc_deficiency
- 134 Zinc_excess
- 135 Zinc_excess
- 136 Zonate_leaf_spot,_(Gloeocercospora_sorghi)
- 137 Zonate_leaf_spot,_(Gloeocercospora_sorghi)
Aluminum(Al)(normal)__Aluminum(Al)(excess)
Aluminum(Al)(normal), Aluminum(Al)(excess)
Aluminum(Al) (R), normal Aluminum(Al) levels (L) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum(Al) excess in sorghum (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess,_Genotype_differences
Aluminum(Al) excess, Genotype differences
Aluminum(Al) excess in sorghum, Genotype differences (NB3494, TX415, Martin, K557, Wheatland, NB9040, SC369-3-lJB) (Ralph B. Clark, USDA-ARS)
Aluminum(Al)_excess
Aluminum(Al) excess
Aluminum excess in sorghum (Ralph B. Clark, USDA-ARS)
Anthracnose
Anthracnose
Anthracnose of the peduncle Colletotricum graminicola, healthy plants on the right. This disease also occurs as lesions on the leaves and midribs.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Ba_excess
Ba excess
Ba excess in sorghum (Ralph B. Clark, USDA-ARS)
Bacterial_streak_(Xanthomonas_campestris_pv)
Bacterial streak (Xanthomonas campestris pv)
Bacterial streak Xanthomonas campestris pv holicola. Produces water soaked streaks that may have a crusty exudate on both sides of the leaf.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Bacterial_stripe_(Pseudomonas_andropogonas)
Bacterial stripe (Pseudomonas andropogonas)
Bacterial stripe Pseudomonas andropogonas(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Bacterial_stripe_(Pseudomonas_andropogonas)
Bacterial stripe (Pseudomonas andropogonas)
Bacterial stripe Pseudomonas andropogonas(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Bacterial_top_rot_(Erwinia_chrysanthemi)
Bacterial top rot (Erwinia chrysanthemi)
Bacterial top rot Erwinia chrysanthemi showing a field view with dead tops which pull out easily and have a very putrid smell.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Bacterial_top_rot_(Erwinia_chrysanthemi)
Bacterial top rot (Erwinia chrysanthemi)
Bacterial top rot Erwinia chrysanthemi showing a split stalk with the disease only part way down the stalk.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Bird_injury
Bird injury
Bird injury. Birds attack at the milk stage and may have a strong preference for certain genotypes. Most severe damage occurs near wood lots but can occur anywhere.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Boron_deficiency
Boron deficiency
Boron deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Boron_deficiency
Boron deficiency
Boron deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Boron_excess
Boron excess
Boron excess in sorghum (Ralph B. Clark, USDA-ARS)
C,_Cd,_Ba_excess
C, Cd, Ba excess
C, Cd, Ba excess in sorghum (Ralph B. Clark, USDA-ARS)
Ca,_Mg,_P,_N,_K,_deficiency
Ca, Mg, P, N, K, deficiency
Ca, Mg, P, N, K, deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Ca_(CaCl2)_excess
Ca (CaCl<->2</->) excess
Ca (CaCl<->2</->) excess in sorghum (Ralph B. Clark, USDA-ARS)
Ca_excess
Ca excess
Ca excess in sorghum (Ralph B. Clark, USDA-ARS)
Calcium_deficiency
Calcium deficiency
Calcium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Calcium_deficiency
Calcium deficiency
Calcium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Calcium_deficiency
Calcium deficiency
Calcium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Calcium_deficiency
Calcium deficiency
Calcium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Cd_excess
Cd excess
Cd excess in sorghum (Ralph B. Clark, USDA-ARS)
Charcoal_rot_(Macrophomina_phaseolina)
Charcoal rot (Macrophomina_phaseolina)
Charcoal rot Macrophomina phaseolina Common and causing lodging in hot, dry climates. Note the small black grains, called sclerotia, on the shredded vascular bundles.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Chinch_bugs,_(Blissus_leucopterus)
Chinch bugs, (Blissus leucopterus)
Chinch bugs, Blissus leucopterus. Can be a major problem in dry years. A very low insect population can kill seedlings. Photo shows a field of seedlings with severe damage by chinch bugs, (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Chinch_bugs,_(Blissus_leucopterus)
Chinch bugs, (Blissus leucopterus)
Chinch bugs, Blissus leucopterus. Can be a major problem in dry years. A very low insect population can kill seedlings. Screening nursery showing sorghum genotype variation to chinch bug injury, (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Chinch_bugs,_(Blissus_leucopterus)
Chinch bugs, (Blissus leucopterus)
Chinch bugs, Blissus leucopterus. Can be a major problem in dry years. A very low insect population can kill seedlings. Photo shows close up of chinch bug injury.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Co_excess
Co excess
Co excess in sorghum (Ralph B. Clark, USDA-ARS)
Co_excess
Co excess
Co excess in sorghum (Ralph B. Clark, USDA-ARS)
Colletotricum_1
Colletotrichum graminicola cluster; setae characteristic, fruiting (H.L. Warren, USDA)
Cr_excess
Cr excess
Cr excess in sorghum (Ralph B. Clark, USDA-ARS)
Crazy_top_downy_mildew_(Sclerophthora_macrospora)
Crazy top downy mildew (Sclerophthora macrospora)
Crazy top downy mildew Sclerophthora macrospora. Field view, note puddled soil, infecting spores swim and infected seedlings must be in standing water. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Crazy_top_downy_mildew_(Sclerophthora_macrospora)
Crazy top downy mildew (Sclerophthora macrospora)
Crazy top downy mildew Sclerophthora macrospora. Healthy plant flanked by two diseased plants.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Cu_deficiency
Cu deficiency
Cu deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Cu_excess
Cu excess
Cu excess in sorghum (Ralph B. Clark, USDA-ARS)
Cygon_Damage
Cygon Damage
Damage from Cygon application. Can easily be confused with leaf spotting pathogens so look for the pattern of spots on the leaf.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Ergot_of_sorghum_(Claviceps_africana)
Ergot of sorghum Claviceps africana)
Ergot of sorghum Claviceps africana. Shows the white fungal mass emerging from the infected floret. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Ergot_of_sorghum_(Claviceps_africana)
Ergot of sorghum (Claviceps africana)
Ergot of sorghum Claviceps africana. Shows honeydew beginning to be produced. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Ergot_of_sorghum_(Claviceps_africana)
Ergot of sorghum (Claviceps africana)
Ergot of sorghum Claviceps africana. Large drops of spore containing honeydew dripping from the infected florets. The honeydew is sweet and the disease is called sugary disease in other parts of the world. Introduced into the US in 1997.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Etiococcum_sp.
Etiococcum sp.
Etiococcum sp. Leaf symptoms. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Etiococcum_sp.
Etiococcum sp.
Etiococcum sp. Leaf symptoms(sporulating). (Stanley G. Jensen, USDA-ARS, University of Nebraska)
European_corn_borer_(Ostrinia_nubilalis)
European corn borer (Ostrinia nubilalis)
European corn borer Ostrinia nubilalis is often found boring in the pith of the peduncle.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Fusarium_stalk_rot_(Fusarium_sp.)
Fusarium stalk rot (Fusarium sp.)
Fusarium stalk rot Fusarium sp. One of the most serious diseases of sorghum. Illustrates severe lodging.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Fusarium_stalk_rot_(Fusarium_sp.)
Fusarium stalk rot (Fusarium sp.)
Fusarium stalk rot Fusarium sp. Shows the appearance of split stalks. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Fusarium_stalk_rot_(Fusarium_sp.)
Fusarium stalk rot (Fusarium sp.)
Fusarium stalk rot Fusarium sp. Shows reduced grain yield because of smaller kernels and lodged heads. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Greenbug_(Schizaphis_graminum)
Greenbug (Schizaphis graminum)
Top of leaf showing greenbug Schizaphis graminum injury (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Greenbugs_(Schizaphis_graminum)
Greenbugs (Schizaphis graminum)
Bottom of leaf showing greenbugs Schizaphis graminum and one coccinellid larvae feeding on the aphids. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Head_mold_
Head mold
Head mold, probably several fungi most common are Fusarium sp., Curvularia sp., Alternaria sp. & Colletotricum sp. Occurs mostly in the warm, humid south.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Hg_excess
Hg excess
Hg excess in sorghum (Ralph B. Clark, USDA-ARS)
Insecticide_Damage
Insecticide Damage
Damage from insecticides. Sorghum is often very susceptible to damage from a variety of insecticides leading to a variety of symptoms.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Iron(Fe)_deficiency
Iron(Fe) deficiency
Iron(Fe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)_deficiency
Iron(Fe) deficiency
Iron(Fe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)_deficiency
Iron(Fe) deficiency
Iron(Fe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)_deficiency
Iron(Fe) deficiency
Iron(Fe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)__deficiency
Iron(Fe) deficiency
Iron(Fe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)__excess
Iron(Fe) excess
Iron(Fe) excess in sorghum (Ralph B. Clark, USDA-ARS)
Iron(Fe)_deficiency
Iron(Fe) deficiency
Iron(Fe) (Severe) deficiency in sorghum (Ralph B. Clark, USDA-ARS)
K_excess
K excess
K excess in sorghum (Ralph B. Clark, USDA-ARS)
K_SO4_excess
K SO<->4</-> excess
K SO<->4</-> excess in sorghum (Ralph B. Clark, USDA-ARS)
Leaf_blight_(Bipolaris_sp.)
Leaf blight (Bipolaris sp.)
Leaf blight Bipolaris sp. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Leaf_spot_(Circospora_sp.)
Leaf spot (Circospora_sp.)
Leaf spot Circospora sp. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Magnisium_deficiency
Magnisium deficiency
Magnisium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Magnisium_deficiency
Magnisium deficiency
Magnisium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Mg_deficiency
Mg deficiency
Mg deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Mg_deficiency
Mg deficiency
Mg deficiency in sorghum (Ralph B. Clark, USDA-ARS)
MgCl2_excess
MgCl<->2</-> excess
MgCl<->2</-> excess in sorghum (Ralph B. Clark, USDA-ARS)
Mn_deficiency
Mn deficiency
Mn deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Mn_deficiency
Mn deficiency
Mn deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Mn_excess
Mn excess
Mn excess in sorghum (Ralph B. Clark, USDA-ARS)
Mo_excess
Mo excess
Mo excess in sorghum (Ralph B. Clark, USDA-ARS)
Na_excess
Na excess
Na excess in sorghum (Ralph B. Clark, USDA-ARS)
NH4_excess
NH<->4</-> excess
NH<->4</-> excess in sorghum (Ralph B. Clark, USDA-ARS)
Ni_excess
Ni excess
Ni excess in sorghum (Ralph B. Clark, USDA-ARS)
Nitrogen_deficiency
Nitrogen deficiency
Nitrogen deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Nitrogen_deficiency
Nitrogen deficiency
Nitrogen deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Nitrogen_deficiency
Nitrogen deficiency
Nitrogen deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Nitrogen_deficiency
Nitrogen deficiency
Nitrogen deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Nitrogen_rich
Nitrogen rich
Nitrogen rich (L), nitrogen deficiency (R) in sorghum (Ralph B. Clark, USDA-ARS)
NO3_Ca_excess
NO<->3</-> Ca excess
NO<->3</-> Ca excess in sorghum (Ralph B. Clark, USDA-ARS)
NO3_excess
NO<->3</-> excess
NO<->3</-> excess in sorghum (root) (Ralph B. Clark, USDA-ARS)
P,_K,_Mg,_Mn_deficiency
P, K, Mg, Mn deficiency
P, K, Mg, Mn deficiency in sorghum (Ralph B. Clark, USDA-ARS)
P_excess
P excess
P excess in sorghum (Ralph B. Clark, USDA-ARS)
P_excess
P excess
P excess in sorghum (Ralph B. Clark, USDA-ARS)
P_excess
P excess
P excess in sorghum (Ralph B. Clark, USDA-ARS)
P_excess
P excess
P excess in sorghum (Ralph B. Clark, USDA-ARS)
Pb_excess
Pb excess
Pb excess in sorghum (Ralph B. Clark, USDA-ARS)
Phosphorus_deficiency
Phosphorus deficiency
Phosphorus deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Phosphorus_deficiency
Phosphorus deficiency
Phosphorus deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Phosphorus_deficiency
Phosphorus deficiency
Phosphorus deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Pokkah_boeng_1
Pokkah boeng N. Zummo, USDA
Potassium_deficiency
Potassium deficiency
Potassium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Potassium_deficiency
Potassium deficiency
Potassium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Potassium_deficiency
Potassium deficiency
Potassium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Potassium_deficiency
Potassium deficiency
Potassium deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Potyviruses
Potyviruses
There are four distinct species of potyviruses in the US with overlapping symptoms, distribution and host range. All are aphid transmitted. This photo shows mosaic symptoms.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Potyviruses
Potyviruses
There are four distinct species of potyviruses in the US with overlapping symptoms, distribution and host range. All are aphid transmitted. This photo shows a combination of mosaic and necrotic symptoms.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Potyviruses
Potyviruses
There are four distinct species of potyviruses in the US with overlapping symptoms, distribution and host range. All are aphid transmitted. A field view of the severe necrotic "red leaf' symptoms. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Potyviruses
Potyviruses
There are four distinct species of potyviruses in the US with overlapping symptoms, distribution and host range. All are aphid transmitted. With a late infection the only tissue to display the "red leaf' reaction may be the head, leading to death of the rachis branches and "little berry" disease.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Se_excess
Se excess
Se excess in sorghum (Ralph B. Clark, USDA-ARS)
Si_excess
Si excess
Si excess in sorghum (Ralph B. Clark, USDA-ARS)
Smut
Smut
Two kinds of smut, loose smut Sphacelotheca cruenta on the left, a healthy head in the middle and covered kernel smut Sporisorium sorghi on the right. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sooty_stripe,_(Ramulisporia_sorghi)
Sooty stripe, (Ramulisporia sorghi)
Sooty stripe, Ramulisporia sorghi. Before sporulation, note the elliptical shape and the yellow margin. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sooty_stripe,_(Ramulisporia_sorghi)
Sooty stripe, (Ramulisporia sorghi)
Sooty stripe, Ramulisporia sorghi. Heavy sporulation in the center of the lesion giving the disease its name. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sooty_stripe,_(Ramulisporia_sorghi)
Sooty stripe, (Ramulisporia_sorghi)
Sooty stripe, Ramulisporia sorghi. Heavy infection. This is a disease of increasing importance because no till cultivation does not bury infected tissue.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_bicolor
Sorghum bicolor: A full head of sorghum seed. (Beijing Botanical Garden)
Sorghum_bicolor
Sorghum bicolor: Individual sorghum seeds. (Beijing Botanical Garden)
Sorghum_bicolor
Sorghum bicolor: Stem sections from one plant of sweet sorghum. (Beijing Botanical Garden)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cycle. Leaves with systemically infected stripes of different ages.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cyclemicroscopic view of stained resting spores, oospores, within the older brown stripes. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cycle systemically infected plant in the field showing how the leaves become shredded along the brown stripes releasing the oospores with overwinter. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora_sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cycle conidial spores, see the downy appearance of lesions on the leaf on the right, are produced in the infected tissue and are airborne causing additional localized lesions on leaf in photo.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cycle plant infected with both sorghum downy mildew and head smut.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_downy_mildew_(Sclerospora_sorghi)
Sorghum downy mildew (Sclerospora sorghi)
Sorghum downy mildew Sclerospora sorghi, may be either a systemic or local infection. Complex life cycle plant infected with both sorghum downy mildew and head smut.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_midge_(Stenodiplosis_sorgicola)
Sorghum midge (Stenodiplosis sorgicola)
Sorghum midge Stenodiplosis sorgicola. The major threat to sorghum production in the south. The extent of damage to seed set by the midge. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_midge_(Stenodiplosis_sorgicola)
Sorghum midge (Stenodiplosis sorgicola)
Sorghum midge Stenodiplosis sorgicola. Diagnostic test for the midge is to squeeze a floret to press out the orange juice of the midge larvae.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_rust_(Puccinia_purpurea)
Sorghum rust (Puccinia purpurea)
Sorghum rust Puccinia purpurea. Showing the typical reddish brown urediniospores typical of rust. (Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_rust_(Puccinia_purpurea)
Sorghum rust (Puccinia purpurea)
Sorghum rust Puccinia purpurea. Showing the green island effect of older infections or late season.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sorghum_yellow_banding_virus
Sorghum yellow banding virus
Sorghum yellow banding virus thus far found in north and south Texas and California.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Spores
Spores
A microscopic view of stained spores of a mycorrhizal fungus which is beneficial to sorghum by assisting roots in soil nutrient uptake.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Sr_excess
Sr excess
Sr excess in sorghum (Ralph B. Clark, USDA-ARS)
Sulfer_deficiency
Sulfer deficiency
Sulfer deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Sulfer_deficiency
Sulfer deficiency
Sulfer deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_deficiency
Zinc deficiency
Zinc deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_deficiency
Zinc deficiency
Zinc deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_deficiency
Zinc deficiency
Zinc deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_deficiency
Zinc deficiency
Zinc deficiency in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_excess
Zinc excess
Zinc excess in sorghum (Ralph B. Clark, USDA-ARS)
Zinc_excess
Zinc excess
Zinc excess in sorghum (Ralph B. Clark, USDA-ARS)
Zonate_leaf_spot,_(Gloeocercospora_sorghi)
Zonate leaf spot, (Gloeocercospora sorghi)
Zonate leaf spot, Gloeocercospora sorghi. Some potyviruses like maize dwarf mosaic virus can produce similar symptoms on certain sorghum genotypes so beware.(Stanley G. Jensen, USDA-ARS, University of Nebraska)
Zonate_leaf_spot,_(Gloeocercospora_sorghi)
Zonate leaf spot, (Gloeocercospora sorghi)
Zonate leaf spot, Gloeocercospora sorghi. Some potyviruses like maize dwarf mosaic virus can produce similar symptoms on certain sorghum genotypes so beware.(Stanley G. Jensen, USDA-ARS, University of Nebraska)