<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Over 34 phytophagous species were noted on carrot plantations in Poland. Most of them are oligo- and polyphagous species, occurring in populations, which pose permanent threat for carrot plantations.Basing on occurrence frequency and quantity, the identified species were classified into 3 groups.I group. Species causing significant economic losses: carrot fly (<italic>Chamaepsila rosae</italic> Fabr.), root aphids (<italic>Pemphigus phenax</italic> B&amp;B), cutworm (<italic>Agrotis</italic> spp.), <italic>Semiaphis dauci</italic>, hawthorn carrot aphid (<italic>Dysaphis crataegi</italic> Kalt.), lygus bug (<italic>Lygus</italic> spp.).II group. Species infesting plantations in cyclic intervals of several years: black been aphid (<italic>Aphis fabae</italic> Scop.), psyllid (<italic>Trioza viridula</italic> Zett.), <italic>Depressaria nervosa</italic> Haw., <italic>D. depresella</italic> Hb., <italic>D. heracliana</italic> DeGeer, wireworms (<italic>Agriotes</italic> spp.), white grubs (<italic>Melolonthinae</italic>)III group. Species occurring sporadically in numbers, which may pose a threat to plants: knot grass (<italic>Acronicta rumicis</italic> L.), <italic>Mamestra dissimilis</italic> Knoch., <italic>M. persicariae</italic> L., <italic>Autographa gamma</italic> L.Monitoring of pests presence and threats caused by them is conducted by constantly developed system of short- and long-term forecasting. It includes the species harmful to plantations every year or cyclically, which need to be controlled. Treatment times are established based on signalisation of pest presence on plantation, using yellow sticky cards (<italic>Chamapsila rosae</italic>), pheromone traps (<italic>Agrotis segetum</italic>) or periodic inspection of plantation to evaluate threshold value (other species).</abstract>

Over 34 phytophagous species were noted on carrot plantations in Poland. Most of them are oligo- and polyphagous species, occurring in populations, which pose permanent threat for carrot plantations.Basing on occurrence frequency and quantity, the identified species were classified into 3 groups.I group. Species causing significant economic losses: carrot fly (Chamaepsila rosae Fabr.), root aphids (Pemphigus phenax B&B), cutworm (Agrotis spp.), Semiaphis dauci, hawthorn carrot aphid (Dysaphis crataegi Kalt.), lygus bug (Lygus spp.).II group. Species infesting plantations in cyclic intervals of several years: black been aphid (Aphis fabae Scop.), psyllid (Trioza viridula Zett.), Depressaria nervosa Haw., D. depresella Hb., D. heracliana DeGeer, wireworms (Agriotes spp.), white grubs (Melolonthinae)III group. Species occurring sporadically in numbers, which may pose a threat to plants: knot grass (Acronicta rumicis L.), Mamestra dissimilis Knoch., M. persicariae L., Autographa gamma L.Monitoring of pests presence and threats caused by them is conducted by constantly developed system of short- and long-term forecasting. It includes the species harmful to plantations every year or cyclically, which need to be controlled. Treatment times are established based on signalisation of pest presence on plantation, using yellow sticky cards (Chamapsila rosae), pheromone traps (Agrotis segetum) or periodic inspection of plantation to evaluate threshold value (other species).

Phytophagous Entomofauna Occurring On Carrot and Plant Protection Methods

Research Institute of Vegetable Crops, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland

Journal of Fruit and Ornamental Plant Research

{"article-title":"Phytophagous Entomofauna Occurring On Carrot and Plant Protection Methods"}

Over 34 phytophagous species were noted on carrot plantations in Poland. Most of them are oligo- and polyphagous species, occurring in populations, which pose...

Phytophagous Entomofauna Occurring On Carrot and Plant Protection Methods

Online veröffentlicht: 31. Dez. 2007

Seitenbereich: 95 - 102

DOI: https://doi.org/10.2478/v10032-007-0034-4

Schlüsselwörter
carrot, phytophagous entomofauna, monitoring, harmfulness

This content is open access.

Phytophagous Entomofauna Occurring On Carrot and Plant Protection Methods

Online veröffentlicht: 31. Dez. 2007

Seitenbereich: 95 - 102

DOI: https://doi.org/10.2478/v10032-007-0034-4

Schlüsselwörtercarrot, phytophagous entomofauna, monitoring, harmfulness

This content is open access.

Schlüsselwörter
carrot, phytophagous entomofauna, monitoring, harmfulness