'Galls' presentation slideshows

??????? Valsa mali

Section 3 Fruit tree stem and root disease. ??????? Valsa mali. ?????. ????? Valsa ambiens. ?????? - ??? Physalospora piricola. ???? Botryosphaeria dothidea. ????? Apple root rot. Armillariella tabescens. Fruit Root Cancer ?????. Dry rot ???. Ring disease. ????? Peach bleeding.

1.04k views • 70 slides

Sucking and Gall-Forming Insects

Sucking and Gall-Forming Insects. Sucking Insects. Mouthparts pierce plant tissue and draw out fluid Importance: Usually low in forests Overuse of pesticides can incite damaging infestations Some deadly exotics in U.S. Some vector plant disease

750 views • 20 slides

Mutations of the alternate start signal for the Galls protein in Agrobacterium rhizogenes

343 views • 20 slides

TANNINS

TANNINS. Tannins Tannins is a substance found naturally in many different plants, most in grapes and tea leaves ,precipitate proteins from their aqueous solutions. Types of hydrolysable tannin: A- Gallitannin On hydrolysis , it gives gallic acid and glucose. Present in clove..

1.27k views • 19 slides

BIOL3060

Distribution of a plant parasite on its host: gall distribution on the flowering dogwood, Cornus florida. BIOL3060. Overview. (A) Parasite: Gall Midge Fly ( Resseliella clavula ) (B) Host: Flowering dogwood ( Cornus floria ) Process Female fly lays eggs near terminal dogwood bud

273 views • 17 slides