𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Translocation of Pymetrozine in Plants

✍ Scribed by Wyss, Peter; Bolsinger, Martin

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
549 KB
Volume
50
Category
Article
ISSN
1526-498X

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✦ Synopsis

Pymetrozine, a pyridine-azomethine, is a selective biocide against aphids, whiteΓ‘ies and plant hoppers with a high plant systemic activity. By means of bioassays and autoradiographic techniques it has been shown that this systemic behaviour originates not only from xylem but also from phloem mobility. After foliar application the growing points of plants are protected by pymetrozine imports mainly from leaves. This indicates a high importance of phloem mobility for the systemic activity of pymetrozine against plant-sucking insects.

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