Growth, Longevity, and Reproduction of Empoasca devastans on Okra Fruit for Laboratory Rearing12

Saxena, Ranjana; Saxena, Krishna

doi:10.1093/jee/64.2.424

Cited by 6 publications

(3 citation statements)

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“…In order to understand the role of ovipositional responses of each leafhopper in determining the number of eggs laid on different plants, it was important to eliminate the differences in egg-production caused by differences in the food intake and nutrition. Therefore, the adults of E. devastans were kept on okra fruits (Saxena & Saxena, 1971) and E. kerri motti on castor leaves for an identical period and then their ovipositional responses to different plants were compared on the basis of the number of eggs laid during an identical period. The ovipositional response of E. devastans to S. melongena and G. hirsutum (Table VII) was highest and decreased for others in the order: S. tuberosum, G. herbaceum, G. arboreum.…”

Section: Resultsmentioning

confidence: 99%

“…Adult survival. The newly emerged males and females were kept in pairs in a plastic cage (Saxena & Saxena, 1971) and offered fresh leaves daily. The period of their survival was recorded.…”

Section: Methodsmentioning

confidence: 99%

“…The newly emerged males and females of E. devastans were kept on unripe okra fruit (Ambelmoschus eseulentus Moench) (Saxena & Saxena, 1971) and those of E. kerri motti on castor leaves for 7--8 days to allow the eggs to be ready for oviposition. Twenty ovipositing females of each leafhopper were then offered uninfested leaves in plastic cages (Saxena & Saxena, 1971). After 24 hr, the number of eggs present on each leaf was recorded as above, and represented the ovipositional response of the leafhoppers.…”

Section: Methodsmentioning

confidence: 99%

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Patterns of Relationship Between Certain Leafhoppers and Plants. I. Responses to Plants

Saxena

Gandhi

Saxena

1974

Entomologia Exp Applicata

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Differences in the establishment of the leafhoppers Empoasca devastans and E. kerri motti on different plants are determined by an interaction of the following chief types of their responses in six main stages: (1) Orientation, (2) Feeding, (3) Metabolic utilization of the ingested food determining its nutritive value, (4) Growth, (5) Survival and egg‐production, (6) Oviposition. Both the leafhoppers showed equally high attraction and proboscis response to all the six test plants, namely, Gossypium hirsutum, G. herbaceum, G. arboreum, Solanum melongena, S. tuberosum, and Ricinus communis. The quantity and nutritive value of the food ingested by E. devastans decreased in the order: G. hirsutum, S. melongena, S. tuberosum, G. herbaceum, G. arboreum, and R. communis. The growth, particularly in respect of moulting/metamorphosis to adult, also decreased in the same order except that S. melongena was superior to G. hirsutum. But, the suitability of the plants for adult survival decreased in the order: S. tuberosum, S. melongena, G. hirsutum, G. herbaceum, G. arboreum, R. communis. The egg‐production and ovipositional response decreased in the order: S. melongena, G. hirsutum, S. tuberosum, G. herbaceum, G. arboreum, R. communis. The interaction of the above responses would render S. melongena most suitable for the establishment of E. devastans and the suitability of the remaining plants would decrease in the order: G. hirsutum, S. tuberosum, G. herbaceum, and G. arboreum, while R. communis would be completely unsuitable. The quantity and nutritive value of the food ingested by E. kerri motti from R. communis as well as its growth, survival, egg‐production and oviposition on this plant were the highest. Therefore, this plant would be most suitable for the insect's establishment. S. tuberosum and G. hirsutum were next to R. communis in respect of the quantity and nutritive value of the food ingested, growth and adult survival, but there was no egg‐production nor oviposition. Therefore, these two plants would support the growth of the larvae and survival of the adults, if present, but not reproduction. The remaining plants were completely unsuitable for both egg‐production and oviposition, and therefore would not support the insect's establishment. Résumé MODES DE RELATIONS ENTRE CERT AINES ESPÈCES D'EMPOASCA ET LEURS PLANTES‐HÔTES. ***IÈRE PARTIE — RÉPONSES AUX ESPÈCES DE PLANTES Les différences observees dans les conditions d'installation des Jassides Empoasca devastans et E. kerri motti sur différentes espèces de plantes sont déterminées par la résultante des réponses aux six principales phases des rapports de l'insecte avec la plante: (1) orientation, (2) alimentation, (3) utilisation métabolique de la nourriture absorbée, ce qui conditionne sa valeur nutritive, (4) croissance, (5) survie et fécondiTÉ, (6) conditions de ponte. Les deux espèces d'Empoasca montrent une même grande attraction et une réponse positive de la posture du proboscis, à chacune des six espèces de plantes tesTÉes, c'est‐à‐dire Gossypium hirsutum...

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Section: Resultsmentioning

confidence: 99%

“…Adult survival. The newly emerged males and females were kept in pairs in a plastic cage (Saxena & Saxena, 1971) and offered fresh leaves daily. The period of their survival was recorded.…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Patterns of Relationship Between Certain Leafhoppers and Plants. I. Responses to Plants

Saxena

Gandhi

Saxena

1974

Entomologia Exp Applicata

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10.1007/BF00335887

2011

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Inhibition of oviposition by volatiles of certain plants and chemicals in the leafhopperAmrasca devastons (distant)

Saxena

Basit

1982

J Chem Ecol

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Oviposition by the leafhopperAmrasca devastans (Distant) on its susceptible host plant, cotton (Gossypium hirsutum var. PS-10), was inhibited by the volatiles of certain plants and by the vapors of some chemicals occurring in various plants when these were presented at a distance from the ovipositional substrate. The effectiveness of the volatiles of the plants for inhibiting the oviposition decreased in the order: eucalyptus > coriander=castor=tomato > lime,Ocimum being without effect. Among the volatile plant chemicals tested, the inhibitory effects decreased in the order: citral=carvacrol > citronellol=farnesol = geraniol=eucalyptus oil > neem oil=Cymbopogan oil. These chemicals served as volatile antiovipositants and did not reduce the arrival/stay of the insects on the host plants. Carvacrol had a slight toxic effect on the nymphs, but none of the volatiles was toxic to the adults.

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Growth, Longevity, and Reproduction of Empoasca devastans on Okra Fruit for Laboratory Rearing12

Cited by 6 publications

References 0 publications

Patterns of Relationship Between Certain Leafhoppers and Plants. I. Responses to Plants

Patterns of Relationship Between Certain Leafhoppers and Plants. I. Responses to Plants

10.1007/BF00335887

Inhibition of oviposition by volatiles of certain plants and chemicals in the leafhopperAmrasca devastons (distant)

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