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Quantitative Patterns of Some Hydrolytic Enzymes During the Development of Polyphenic Forms of Lipaphis Erysimi (Kalt.) (Aphididae)

  • Pushpinder J. Rup
  • Parvinder K. Kalra
Research Article

Abstract

The development of phase phenism in L. erysimi involved function related changes in the activity of hydrolytie enzymes. The esterase activity decreased from first to third instar and then increased in the fourth instar and adults. The decrease in the third and the increase from fourth instar up to adults was more in alatae than apterae. The acid phosphatase activity was maximum in second instar. It decreased in the third and then increased again in the fourth instar and adults. The increase was more in alatae than in apterae. The alkaline phosphatase showed a similar trend but was in contrast to acid phosphatase and showed low activity in alatae as compared to apterae.

Key Words

Lipaphis erysimi (Kalt.) mustard aphid polyphenism development esterases phosphatases 

Résumé

Le développement de la phase du phenisme chez Lipaphis erysimi involvant des fonctions qui sont en relation avec les changements des activités des enzymes hydrolitiques fut analysé. L’activité de Pesterase décrût du 1 er au 3 ème et puis accrût du 4 ème stage larvaire au stage adulte. Cette activité était importante chez les aphides ayant des ailes que ceux sans ailes. L’activité de la phophatase (acide) était maximale chez les larves du second stage larvaire, elle décrut au 3 ème et accrut au 4ème stage larvaire et les adultes. L’accroissement de cette enzyme fut élève chez les aphides avec ailes que chez les sans ailes. La phosphatase (alcaline) montra une tendance similaire mais en contrast a la phosphatase (acide) son activité était plus faible chez les aphides avec ailes que chez ceux sans ailes.

Mots Clefs

Lipaphis erysimi (Kalt.) aphides de la moutarde poiyphcnisme développement esterases phosphatases 

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Copyright information

© ICIPE 1989

Authors and Affiliations

  • Pushpinder J. Rup
    • 1
  • Parvinder K. Kalra
    • 1
  1. 1.School of Life SciencesGuru Nanak Dev UniversityAmritsarIndia

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