Pests

Thrips

Thysanoptera

Thrips are small, cryptic, sap-sucking pests that damage plant tissues and transmit viral diseases. Resistance to them is complex and is more often described qualitatively rather than through strict immunity codes.

Mentioned in descriptions 1 399 varieties reference book.

Thrips are small insects with piercing-sucking mouthparts that inhabit leaf axils, buds, and flowers. Their presence is manifested by the appearance of silvery discolored spots, streaks, and dots, as well as deformation, leaf curling, and premature shedding of plant organs. Small black dots, which are the pest's excrement, are often visible on the affected parts.

Varietal resistance to thrips is determined by genetically defined physiological and biochemical properties, such as the content of specific metabolites. Unlike many pathogens, there are no generally accepted international resistance codes for thrips; therefore, this trait is usually indicated in descriptions as relative resistance or based on an assessment score of susceptibility.

The degree of plant damage directly depends on external conditions, the age of the crop, and the pressure intensity of the pest population, which is capable of forming new biotypes. Genetic resistance to thrips is polygenic; therefore, under field conditions, even resistant genotypes may demonstrate varying reactions depending on the agro-ecosystem and the overall level of preventive measures.

Sources10

Breakdown by crop

Thrips — White Cabbage 202 Thrips — Leek 33 Thrips — Soybean 21 Thrips on onion 20 Pea Thrips on Peas 19 Pepper Thrips 15 Thrips on red cabbage 15 Thrips on Chrysanthemum 13 Thrips — Onion 10 Thrips — Garden Strawberry 9 Thrips — soft wheat 9 Thrips — Head Cabbage 7 Thrips on Savoy Cabbage 5 Bean Thrips 5 Chickpea thrips 4 Cucumber thrips 4 Thrips on Welsh Onion 4 Petunia thrips 4 Potato Thrips 3 Coleus Thrips 3 Petchoa Thrips 3 Gladiolus Thrips 3 Thrips — Celosia argentea var. cristata 3 Thrips on Chrysanthemum indicum 3

Found in these crops

White cabbage 201 Leek 34 Onion 20 Bell pepper 16 Red cabbage 15 Chrysanthemum 13 Onion 10 Garden strawberry 9 Bread wheat 8 Cabbage 7 Savoy cabbage 5 Cucumber 4

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Professor

Terminated

Capsicum annuum L. · Bell pepper

Nunhems B.V.

4 records

Olimp

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

KOROLEVA SVETLANA VIKTOROVNA / SITNIKOV SERGEJ VALER'EVICh / DYaKUNChAK SVETLANA ALEKSANDROVNA

3 records

Nesmet

Active

Capsicum annuum L. · Bell pepper

HM.Clause S.A.S.

2 records

Monotyp

Active

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych, Kovalyshyna Hanna Mykolaivna, Volohdina Halyna Borysivna, Zamlila Nina Petrivna, Lebedieva Halyna Danylivna, Chebakov Mykola Petrovych,

3 records

Mammatus

Active

Allium porrum L. · Leek

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Martine Yellow

Protection expired

Celosia argentea L. var. cristata (L.) Kuntze · Cockscomb

B.R. van den Bosch

2 records

Mapamond

Active

Cucumis sativus L. · Cucumber

CALIN MARIA

3 records

Lucas

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Hazera Seeds B.V.

2 records

Lotto

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

NONGWOO BIO CO.LTD

2 records

Longma

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Korund

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

2 records

Kepo

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Syngenta Crop Protection AG

3 records

Kajak

Terminated

Brassica oleracea L. (White Cabbage Group) · White cabbage

Sakata Seed Corporation, JP

2 records

Ingot

Terminated

Daucus carota L. · Carrot

Christianson c/o Christianson Seed

2 records

Jasper

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

PLANTICO HODOWLA I NASIENNICTWO OGRODNICZE ZIELONKI SP. Z O.O.

3 records

IZK Kalin

Active

Capsicum annuum L. · Bell pepper

Velichka Yordanova Todorova, Galina Todorova Pevicharova, Yordan Kostadinov Todorov

3 records

Incus

Active

Allium porrum L. · Leek

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

harmony

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Information not available - Contact NL authorities

2 records

Gladius

Active

Allium porrum L. · Leek

Poul Erik Olgaard \Henry Damm Hansen

2 records

HCIP210

Active

Solanum tuberosum L. · Potato

HZPC Research B.V

2 records

Fractus

Active

Allium porrum L. · Leek

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

2 records

Felicity

Active

Brassica oleracea L. (White Cabbage Group) · White cabbage

Sakata Seed Corporation, JP

2 records

Eristar

Active

Allium fistulosum L. · Welsh onion

Kaneko Seed CO.Ltd (JP)

2 records

Efektna

Active

Triticum aestivum L. · Bread wheat

STARYCHENKO VASYL MYKOLAIOVYCH, SHTAKAL MYKOLA IVANOVYCH, KOVALCHUK SERHII OLEKSANDROVYCH, DAVYDIUK HANNA VOLODYMYRIVNA, HOLYK LIUBOV MYKOLAIVNA

3 records

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Pests

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.