Ditylenchus destructor(DITYDE)
Photos
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External symptoms, showing sunken areas with cracked and wrinkled skin.
Courtesy: Central Science Laboratory, York (GB) - British Crown.
Internal symptoms of potato tuber.
Courtesy: Rothamsted Experimental Station (GB) - British Crown.
Internal damage to potato tuber.
Courtesy: Central Science Laboratory, York (GB) - British Crown.
Ditylenchus destructor on potato.
Courtesy: Courtesy: Alain Buisson, LNPV Unité de nématologie, Le Rheu (FR).
Damage to Iris bulbs.
Courtesy: Central Science Laboratory, York (GB) - British Crown.
Stylet
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh.Elena Pakina. Liudmila Limantceva. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Egg
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh.Elena Pakina. Liudmila Limantceva. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Cloacal region
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh.Elena Pakina. Liudmila Limantceva. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Female anterior region
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Crustaformeria
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh.Elena Pakina. Liudmila Limantceva. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Oesophagous
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Post-vuval uterine sac (PUS)
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Spermatheca
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Vulva to anus distance
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Female tail
Courtesy: Niloufar Mahmoudi. Yousef Naserzadeh. Department of Agro-Biotechnology, Institute of Agriculture, RUDN University. All-Russian Plant Quarantine Centre (VNIIKR), Moscow, Russia
Advanced symptoms of damage by the stem nematode on a potato tuber and symptoms of the common scab, Streptomyces scabiei, as well; Moscow region, Russia; 2021
Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)
Severe symptoms on heavily infested potatoes, by the stem nematode, Ditylenchus destructor (tuber shrinking , tissue below the tuber skin darkens and the tissue forms spongy in texture with lumpy masses) and then secondary invasions of bacteria and Fusarium spp. occur; Moscow region, Russia; 2021
Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)
Heavily infested potato tuber; advanced symptoms; Moscow region, Russia; 2021
Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)
Symptoms of early damage by the stem nematode on cut tubers. The pest invades potatoes and then there are some small spots of tissue below the potato skin, that have a puffy texture; Moscow region, Russia; 2021
Courtesy: Maria A. Kuznetsova (All-Russian Research Institute of Phytopathology)