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Cornell University
Once called "the first American university" by educational historian Frederick Rudolph, Cornell University represents a distinctive mix of eminent scholarship and democratic ideals. Adding practical subjects to the classics and admitting qualified students regardless of nationality, race, social circumstance, gender, or religion was quite a departure when Cornell was founded in 1865. Read more…
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23 Images of 6 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5458664 Plectosporium blight Plectosporium tabacinum diamond shaped lesions on petiole
5461609 gray molds Botrytis spp. Botrytis condidiophores with spores
5457957 late blight Phytophthora infestans Sporangia of Phytophthora infestans.
5457968 late blight Phytophthora infestans Sporangia of Phytophthora infestans.
5458663 Plectosporium blight Plectosporium tabacinum Close up of symptoms on fruit.
5458661 Plectosporium blight Plectosporium tabacinum symptoms on upper leaf surface
5458079 basil downy mildew Peronospora belbahrii sporangia
5458086 basil downy mildew Peronospora belbahrii Masses of purplish sporangia on the undersurface of a leaf.
5458087 basil downy mildew Peronospora belbahrii Masses of purplish sporangia on the undersurface of a leaf.
5458091 basil downy mildew Peronospora belbahrii Heavy spore production on the undersurface of the leaf may look like dust or dirt on the tissue.
5458092 basil downy mildew Peronospora belbahrii A closer view of a lesion with dense sporulation that looks like a grayish-purple mold on the leaf.
5458080 basil downy mildew Peronospora belbahrii Sporangia
5458063 plant diagnostics A technician with pipette.
2134064 swede midge Contarinia nasturtii body size 1.3 mm
2134065 swede midge Contarinia nasturtii Swede midge larvae and feeding damage on cauliflower. Swede midge larvae prefer to feed on growing tips but in high densities they occupy the stem and the leaves.
2134066 swede midge Contarinia nasturtii Damaged red cabbage. Note twisted leaves, swelling
2134067 swede midge Contarinia nasturtii Damaged red cabbage followed by bacterial soft rot and collapse of plant
2134068 swede midge Contarinia nasturtii Swede midge damaged plant. Note brown scarring, multiple stems, twisted leaves.
2134069 swede midge Contarinia nasturtii Damaged red cabbage
2134070 swede midge Contarinia nasturtii Damaged green cabbage
2134071 swede midge Contarinia nasturtii Damaged plant - leaf twisting, brown scarring
2134072 swede midge Contarinia nasturtii Damaged transplant - swollen petiole, brown scars
2134073 swede midge Contarinia nasturtii Damaged green cabbage - twisted leaves, rotten center

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