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Agricultural Systems: Tobacco

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Image Subject Name Scientific Name Description
1147010 genetic abnormalities Genetically abnormal tobacco plants, while usually of little or no economic importance, may be confused with infectious disease or chemical injuries. These abnormalities may be called monstosities, malformations, enations, anamolies, throwbacks, kickbacks, or runouts. It is unusual to find more than one of these abnormal plants in a field. Most fields contain none. Chimeras or variegated tobacco plants have irregular patches on the leaves that vary in color from creamy-white to yellow-green and give the plant a marbled or mottled appearance. Most variegated plants attain normal size, bloom normally, and produce seed. Sometimes abnormally shaped leaves appear on the affected plant. Patterns may be seen in the cured leaves from variegated plants. Another example of genetic abnormality is ruffles. Leaf margins roll downward, and leaves curve downward. Petioles may be elongated. The leaf blade margin may form pouches or folds upon itself, especially along veins on the underside of the leaf.
1147021 tobacco aphid Myzus nicotianae
1264003 flue-cured tobacco Nicotiana tabacum (flue-cured type) Healthy plants
1147020 tobacco aphid Myzus nicotianae
1147003 tobacco splitworm Phthorimaea operculella
1147004 tobacco splitworm Phthorimaea operculella
1147001 tobacco splitworm Phthorimaea operculella
1147002 tobacco splitworm Phthorimaea operculella
1147027 southern green stink bug Nezara viridula
1147026 southern green stink bug Nezara viridula
0027077 Tomato Spotted Wilt Virus Tospovirus TSWV
0027074 Tomato Spotted Wilt Virus Tospovirus TSWV
0027075 tobacco budworm Heliothis virescens
0027076 Tomato Spotted Wilt Virus Tospovirus TSWV
1147012 tobacco aphid Myzus nicotianae with lady beetle predator
0027072 tobacco budworm Heliothis virescens
0027073 tobacco budworm Heliothis virescens
0027078 tobacco aphid Myzus nicotianae
1147023 lady beetle
1147008 tobacco aphid Myzus nicotianae with lady beetle predator
1147009 genetic abnormalities Genetically abnormal tobacco plants, while usually of little or no economic importance, may be confused with infectious disease or chemical injuries. These abnormalities may be called monstosities, malformations, enations, anamolies, throwbacks, kickbacks, or runouts. It is unusual to find more than one of these abnormal plants in a field. Most fields contain none. Chimeras or variegated tobacco plants have irregular patches on the leaves that vary in color from creamy-white to yellow-green and give the plant a marbled or mottled appearance. Most variegated plants attain normal size, bloom normally, and produce seed. Sometimes abnormally shaped leaves appear on the affected plant. Patterns may be seen in the cured leaves from variegated plants. Another example of genetic abnormality is ruffles. Leaf margins roll downward, and leaves curve downward. Petioles may be elongated. The leaf blade margin may form pouches or folds upon itself, especially along veins on the underside of the leaf.
1147005 tobacco splitworm Phthorimaea operculella
1147007 tobacco aphid Myzus nicotianae
1147006 tobacco splitworm Phthorimaea operculella
1264002 flue-cured tobacco Nicotiana tabacum (flue-cured type) Healthy tobacco plant
1147015 tobacco aphid Myzus nicotianae with lady beetle predators
1147011 genetic abnormalities Genetically abnormal tobacco plants, while usually of little or no economic importance, may be confused with infectious disease or chemical injuries. These abnormalities may be called monstosities, malformations, enations, anamolies, throwbacks, kickbacks, or runouts. It is unusual to find more than one of these abnormal plants in a field. Most fields contain none. Chimeras or variegated tobacco plants have irregular patches on the leaves that vary in color from creamy-white to yellow-green and give the plant a marbled or mottled appearance. Most variegated plants attain normal size, bloom normally, and produce seed. Sometimes abnormally shaped leaves appear on the affected plant. Patterns may be seen in the cured leaves from variegated plants. Another example of genetic abnormality is ruffles. Leaf margins roll downward, and leaves curve downward. Petioles may be elongated. The leaf blade margin may form pouches or folds upon itself, especially along veins on the underside of the leaf.
1147028 southern green stink bug Nezara viridula
1147025 southern green stink bug Nezara viridula

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