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 Petunia 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.

Bar Bora

Terminated

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

Evanthia B.V.

1 record

bullechi 01

Terminated

Echinacea purpurea (L.) Moench · Purple coneflower

Hartwig Bull

1 record

Bravor

Active

Fragaria x ananassa Duchesne ex Rozier · Garden strawberry

Flevo Plant Holding B.V.

1 record

Branball

Terminated

Chrysanthemum L. · Chrysanthemum

Hubert Brandkamp

1 record

Baykal

Terminated

Chrysanthemum L. · Chrysanthemum

Deliflor Royalties B.V

1 record

Balcushmesim

Active

Petunia Juss. · Petunia

GAIL SHAFER

1 record

Zenon F1

Active

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

SJAAK VAN DER PLOEG

1 record

Selma F1

Terminated

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

Nort Khadlier

2 records

Furios F1

Terminated

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

P.J. Struik

2 records

Count F1

Active

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

Robert Prieur

2 records

Chernechi dzherela

Active

Linum usitatissimum L. · Common flax

Chuchvaha Vasyl, Kryvosheieva Larysa

2 records

STRUKTON F1

Protection expired

Brassica oleracea L. (Cabbage Group) · Cabbage

Nickerson Zwaan B.V. (NL)

1 record

Preston

Withdrawn

Allium porrum L. · Leek

1 record

Zeldopa

Active

Globba L.

1 record

Yula

Terminated

Allium cepa L. · Onion

1 record

White sweet spanish

Terminated

Allium cepa L. · Onion

1 record

Tristar

Protection expired

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

2 records

Olidor

Terminated

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

1 record

Performer

Terminated

Allium cepa L. var. cepa · Onion

1 record

Manrico

Terminated

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

1 record

Jubilee

Withdrawn

Brassica oleracea L. (Cauliflower Group) · Cauliflower

1 record

MENZA F1 RS

Terminated

Brassica oleracea L. (Cabbage Group) · Cabbage

Royal Sluis BV (NL)

1 record

Lisa

Active

Dianthus L. · Carnation

1 record

Dynamite

Active

Gladiolus L. · Gladiolus

1 record

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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.