Wednesday, April 2, 2025

A-Z

Basal Rot

Basal Rot (Root and Crown Rot in Plants) Definition Basal rot is a fungal or bacterial disease that affects the base of a plant’s stem, crown,...

Bark Ringing

Bark Ringing (Girdling in Trees and Shrubs) Definition Bark ringing, also known as girdling, is the removal or damage of a complete ring of bark around...

Bark-Bound

Definition Bark-Bound (Physiological Condition in Trees and Shrubs) Bark-bound, also known as girdling or constricted bark syndrome, is a physiological condition affecting trees and woody shrubs...

Bark Beetles

Bark Beetles (Family: Curculionidae, Subfamily: Scolytinae) Bark beetles are a diverse group of small, wood-boring beetles known for their ability to tunnel beneath the bark...

Aquatic

Aquatic (adj.) In botanical terminology, aquatic refers to plants that grow in or are adapted to water environments, including freshwater, brackish, and marine habitats. These...

Appressed

Appressed (adj.) In botanical terminology, appressed describes plant structures—such as leaves, hairs (trichomes), or scales—that lie flat against the surface of another organ, rather than...

Apple Sawfly

Apple Sawfly (Hoplocampa testudinea) OverviewThe apple sawfly (Hoplocampa testudinea) is a small, wasp-like insect that primarily affects apple (Malus domestica) trees. It is a significant...

Apple Scab

Apple Scab (Venturia inaequalis) OverviewApple scab is a fungal disease caused by Venturia inaequalis, affecting apple (Malus domestica) and crabapple (Malus spp.) trees. It is...

Apple Powdery Mildew

Apple Powdery Mildew (Podosphaera leucotricha) Taxonomy: Kingdom: Fungi Phylum: Ascomycota Class: Leotiomycetes Order: Erysiphales Family: Erysiphaceae Genus: Podosphaera Species: P. leucotricha Description: Apple powdery mildew (Podosphaera leucotricha) is a fungal pathogen that affects apple...
DALL·E 2025 01 29 20.21.49 A detailed illustration of a botanist carefully making an F1 hybrid. The botanist wearing a lab coat and gloves is seen using a fine brush to transf

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