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Louisiana State University Ag Center
The Louisiana State University Agricultural Center, known as the LSU AgCenter, is one of 11 institutions within the Louisiana State University System. The LSU AgCenter’s mission is to provide the people of Louisiana with research-based educational information that will improve their lives and economic well-being. The LSU AgCenter includes the Louisiana Agricultural Experiment Station, which conducts agricultural-based research, and the Louisiana Cooperative Extension Service, which extends the knowledge derived from research to the people of the state. The LSU AgCenter plays an integral role in supporting agricultural industries, enhancing the environment, and improving the quality of life through its 4-H youth, family and consumer sciences, and community development programs.
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Image Subject Name Scientific Name Description
5473732 puffy fruit Satsuma showing symptoms of puffy fruit as a result of fruit set during late flowering.
5473731 puffy fruit Satsuma showing symptoms of puffy fruit resulting from late flower and fruit set.
5473730 leaf roll Physiological leaf roll of tomato.
5411487 Phoma blight Phoma destructiva
5411471 anthracnose Colletotrichum orbiculare
5411470 Alternaria leaf blight Alternaria cucumerina
5473719 rust Cerotelium fici Symptoms of fig rust visible on the upper leaf surface.
5473720 rust Cerotelium fici Pustules of fig rust on the lower leaf surface.
5473721 rust Cerotelium fici Premature defoliation of a susceptible fig variety due to fig rust.
5472860 downy mildew Plasmopara obducens Plasmopara obducens sporulating on the lower leaf surface of an infected leaf.
5473707 melanose Diaporthe citri Tear-stain symptoms of melanose on grapefruit.
5472859 downy mildew Plasmopara obducens Chlorosis of impatiens leaves with downy mildew.
5473727 Mycosphaerella leaf spot Mycosphaerella citri Greasy spot on orange leaves.
5472854 downy mildew Plasmopara obducens Downy mildew of impatiens caused by Plasmopara obducens.
5410641 wheat leaf rust Puccinia recondita Symptoms of wheat rust on leaves.
5410640 wheat leaf rust Puccinia recondita Symptoms of wheat rust in small plots.
5410709 wheat stem rust Puccinia graminis
5410710 wheat stem rust Puccinia graminis
5410711 wheat stem rust Puccinia graminis
5410708 wheat stem rust Puccinia graminis
5411472 downy mildew Pseudoperonospora cubensis Cucumber leaves showing various stages of downy mildew lesion development.
5411473 downy mildew Pseudoperonospora cubensis Chlorotic spotting of foliage during early stages of downy mildew development.
5411474 downy mildew Pseudoperonospora cubensis Necrosis and upward curling of leaf margins associated with downy mildew.
5411475 angular leaf spot of strawberry Xanthomonas fragariae Water-soaked lesions with bacterial exudate on the lower surface of strawberry leaves.
5411476 angular leaf spot of strawberry Xanthomonas fragariae Translucency of lesions evident when viewed with transmitted light.  
5410706 Septoria leaf spot and cankers Septoria spp.
5410712 White Leaf Streak of Rice Mycovellosiella oryzae
5410707 Septoria leaf spot and cankers Septoria spp.
5410673 brown spot of rice Cochliobolus miyabeanus Rice leaf showig severe brown spot leaf symptoms.
5410672 Septoria leaf spot and cankers Septoria spp. Wheat leaf showing Septoia leaf blotch symptoms.
5410611 Alternaria leaf spot Alternaria padwickii Rice leaves showing symptoms of Alternaria leaf spot.
5410612 Alternaria leaf spot Alternaria padwickii Rice leaves showing symtpoms of Alternaria leaf spot.
5410619 Cochliobolus leaf spot / black kernel Cochliobolus lunatus Infected rice grain showing signs and symptoms of black kernal.
5390535 brown spot of rice Cochliobolus miyabeanus Rice seedlings with symptoms of seedling blight
5390466 Aggregate sheath spot Ceratobasidium setariae Rice stems showing symptoms of Aggregate sheath spot infection.
5390477 Cochliobolus leaf spot / black kernel Cochliobolus lunatus Fungal spores of the black kernel pathogen
5390478 Cochliobolus leaf spot / black kernel Cochliobolus lunatus Black kernel grain infection
5390522 brown spot of rice Cochliobolus miyabeanus grain infection symptoms
5390523 brown spot of rice Cochliobolus miyabeanus Peck infected milled rice grain showing symptoms
5390534 brown spot of rice Cochliobolus miyabeanus Rice seedlings with symptoms of seedling blight
5390469 bacterial leaf streak Xanthomonas oryzae pv. oryzicola Rice leaves showing symptoms of bacterial leaf streak infection in the field.
5390468 bacterial leaf blight of rice Xanthomonas oryzae pv. oryzae Rice leaves showing symptoms of bacterial blight infection in the field.
5390479 gray leaf spot Magnaporthe grisea Rice flag leaf collars symptomatic of infection with the rice blast pathogen
5390480 gray leaf spot Magnaporthe grisea Ten day old colony on rice leaf agar.
5390481 gray leaf spot Magnaporthe grisea Rice stem nodes symptomatic of infection with rice blast pathogen  
5390482 gray leaf spot Magnaporthe grisea spores from a leaf blast lesion
5390485 brown spot of rice Cochliobolus miyabeanus Rice leaf with brown spot infection
5390489 brown spot of rice Cochliobolus miyabeanus Close-up view of rice leaf with brown spot infection  
5390490 brown spot of rice Cochliobolus miyabeanus Rice leaf showing severe brown spot leaf symptoms
5390491 brown spot of rice Cochliobolus miyabeanus Rice leaf with brown spot infection symptoms
5390509 gray leaf spot Magnaporthe grisea Screening for leaf blast resistance in an upland nursery showing dead susceptible plants to undamaged resistant plant symptoms
5390510 gray leaf spot Magnaporthe grisea Rice leaves showing symptoms of leaf blast
5390518 gray leaf spot Magnaporthe grisea Rice heads showing symptoms of rotten neck, neck, and collar blast infection
5390519 gray leaf spot Magnaporthe grisea Rice nodes with symptoms of blast infection
5390520 gray leaf spot Magnaporthe grisea Rice head showing symptoms of panicle blast infections
5390551 Alternaria leaf spot Alternaria padwickii Rice leaves with stack burn (Alternaria leaf spot) symptoms
5390552 Alternaria leaf spot Alternaria padwickii Rice leaves with stack burn (Alternaria leaf spot) symptoms
5390565 White Leaf Streak of Rice Mycovellosiella oryzae White leaf streak symptoms on rice leaves
5384450 citrus greening Candidatus Liberibacter asiaticus
5384452 citrus greening Candidatus Liberibacter asiaticus
5384453 citrus greening Candidatus Liberibacter asiaticus
5384454 citrus greening Candidatus Liberibacter asiaticus
5384455 citrus greening Candidatus Liberibacter asiaticus
5384456 citrus greening Candidatus Liberibacter asiaticus
5154036 wheat leaf rust Puccinia recondita uredinia releasing urediniospores on wheat leaf
5154034 oat stem rust Puccinia graminis f.sp. avenae uredinia releasing urediniospores on oat stem; note: edges of pustules become tattered as spores are released
5154035 oat crown rust Puccinia coronata var. avenae uredinia releasing urediniospores on oat leaf

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