Mustard Oil Glucosides: Feeding Stimulants for Adult Cabbage Flea Beetles, Phyllotreta cruciferae (Coleoptera: Chrysomelidae)1

Hicks, Karen

doi:10.1093/aesa/67.2.261

Cited by 85 publications

(33 citation statements)

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“…They reduce palatability of leaf tissue to generalist herbivores, such as birds, molluscs and generalist insects (Chew, 1988;Glen et a!., 1990;Louda & Mole, 1991;Mithen, 1992, Giamoustans & Mithen, 1995, and attract and stimulate feeding and egg laying by insects which feed specifically on crucifers, such as flea beetles (Hicks, 1974;Chew, 1988;Louda & Mole, 1991;Simmonds et al, 1994;Giamoustaris & Mithen, 1995). Both the total level of aliphatic glucosinolates and the side chain structure are important in mediating these interactions.…”

Section: Propylsmentioning

confidence: 99%

Divergent selection for secondary metabolites between wild populations of Brassica oleracea and its implications for plant-herbivore interactions

1995

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Significant differences occur in the levels and types of aliphatic glucosinolates in leaves of plants of four Brassica oleracea populations in Dorset. Plants in grassland at St Aldhelm's Head and Winspit have high levels of 3-butenyl glucosinolate, whereas plants of an adjacent population growing on and along the top of cliffs at Kimmeridge have low levels of 2-hydroxy-3-butenyl, 2-propenyl and methylsuiphinylalkyl glucosinolates. Plants growing in a variable habitat at Worbarrow Tout have intermediate levels. The differences in occurrence of individual glucosinolates result from allelic variation at four loci. The level of total aliphatic glucosinolates is under more complex genetic control, but is shown to be highly heritable. Allele frequencies at isozyme loci indicate that genetic variation for glucosinolate production is unlikely to have arisen or to be maintained by founder effects or genetic drift. It is suggested that there is selection for high levels of butenyl glucosinolates at St Aldhelm's Head and Winspit because of grazing by generalist herbivores, whereas there is selection for low levels of 2-hydroxy-3-butenyl and other non-butenyl aliphatic glucosinolates at Kimmeridge because of two factors. First, plants effectively escape from generalist herbivores because of physical aspects of the habitat and association with other plant species which provide physical and chemical defences. Thus there is selection for individuals which do not carry the hypothetical metabolic costs of glucosinolate biosynthesis. Secondly, herbivory by specialist cruciferous insects at Kimmeridge, which is enhanced because of the local abundance of B. nigra, selects for individuals which have low levels of 2-hydroxy-3-butenyl glucosinolates.

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Section: Propylsmentioning

confidence: 99%

Divergent selection for secondary metabolites between wild populations of Brassica oleracea and its implications for plant-herbivore interactions

1995

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“…Sinigrin, also known as allylglucosinolate, accounts for more than 95% of the total glucosinolate concentration in B. nigra leaves (Feeny and Rosenberry 1982). Sinigrin is toxic to generalist herbivores (Blau et al 1978), including Trichoplusia (Wadleigh and Yu 1988;Shields and Mitchell 1995;Stowe 1998), but actually stimulates feeding by Pieris and Phyllotreta (Hicks 1974;Feeny 1977;Blau et al 1978;Chew 1988;Siemens and Mitchell-Olds 1996). Both trichomes and glucosinolates have been shown to increase in mustards following damage by herbivores (Agrawal 1998).…”

Section: Introductionmentioning

confidence: 99%

Differential induction of trichomes by three herbivores of black mustard

2002

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Specificity of plant induction responses may be important to the interactions between mustards and insect herbivores. This study compared the effects of the cabbage white butterfly, Pieris rapae (L.), cabbage looper, Trichoplusia ni (Hubner), and the mustard flea beetle, Phyllotreta cruciferae (Goeze) on induction of leaf trichome density, sinigrin concentration, and nitrogen concentration in black mustard, Brassica nigra (L.) Koch. Plants were damaged for 12 h at the four-leaf stage, with effort made to standardize the damage applied. Induction responses were measured on the fifth, seventh, ninth, and 11th leaves counted from the cotyledons. Seventh leaves of plants damaged by P. rapae had 76% more trichomes per unit area than controls, whereas equivalent leaves of plants damaged by the other two herbivores exhibited no response. Ninth leaves of plants damaged by T. ni had 113% more trichomes per unit area than controls, whereas equivalent leaves of plants damaged by the other two herbivores exhibited no response. Trichome densities of fifth and 11th leaves did not respond to treatments. Leaf sinigrin and nitrogen concentrations were not affected by the damage treatments. Differential plant trichome response to P. rapae and T. ni may have been due to differences in location of feeding during the damage treatment. Other cues, such as salivary components, may also have differed between the two herbivores. This study is one of the first to document differential effects of two herbivores from the same guild on induction of morphological resistance.

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“…A candidate character is plant glucosinolate concentration. Glucosinolates, secondary compounds present in the Brassicaceae, are known to deter feeding by generalist herbivores and stimulate feeding by specialists (Hicks 1974;Larsen 1981;Chew 1988;Lamb 1989;Reed et al 1989), including diamondbacks, suggesting that damage by specialists and generalists may be negatively correlated. If so, and if generalists were more abundant than diamondbacks, diamondback damage might appear to be positively correlated with plant fitness.…”

Section: Discussionmentioning

confidence: 99%

Two Herbivores and Constraints on Selection for Resistance in Brassica rapa

Pilson¹

1996

Evolution

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Mustard Oil Glucosides: Feeding Stimulants for Adult Cabbage Flea Beetles, Phyllotreta cruciferae (Coleoptera: Chrysomelidae)1

Cited by 85 publications

References 0 publications

Divergent selection for secondary metabolites between wild populations of Brassica oleracea and its implications for plant-herbivore interactions

Divergent selection for secondary metabolites between wild populations of Brassica oleracea and its implications for plant-herbivore interactions

Differential induction of trichomes by three herbivores of black mustard

Two Herbivores and Constraints on Selection for Resistance in Brassica rapa

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