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A decoy owl. A garden owl is a scarecrow resembling a Horned owl, commonly employed as a method to deter the presence of pests, particularly birds or rodents, in agricultural and urban environments. [1] [2] [3]
Spilocaea oleaginea is a deuteromycete fungal plant pathogen, the cause of the disease olive peacock spot, also known as olive leaf spot and bird's eye spot. This plant disease commonly affects the leaves of olive trees worldwide. The disease affects trees throughout the growing season and can cause significant losses in yield.
List of peach and nectarine diseases; List of peanut diseases; List of pear diseases; List of pearl millet diseases; List of pea diseases; List of pecan diseases; List of Peperomia diseases; List of Persian violet diseases; List of Persian walnut diseases; List of pigeon pea diseases; List of pineapple diseases; List of pistachio diseases; List ...
PPQ aims to support APHIS goals by early detection of pests, weeds and plant diseases harmful to the economy, to allow for an organized response before significant damage is caused. The National Identification Services (NIS) coordinates reports of plant pest identification, providing a database that may lead to quarantine actions.
The woolly apple aphid, Eriosoma lanigerum is a widespread pest of fruit trees, feeding principally on apple, but also, pears, hawthorn, ash, alders, elms and oaks. Gall making species include Melaphis rhois and Pemphigus spp. Further minor damage can be caused by the honeydew that woolly aphids secrete, which is difficult to remove.
Sclerotium fruit rot (Athelia rolfsii syn. Sclerotium rolfsii, Corticium rolfsii) [1] [2] leaf fungus (Aschersonia) [1] secondary/opportunistic fruit rot (Aspergillus niger and other Aspergillus spp.) [13] stem rot (Bionectria ochroleuca syn. Nectria ochroleuca) [1] Calonectria kyotensis [13] secondary/opportunistic fruit rot (Candida sp.) [13]
Notable early examples of live plant harbored pests—such as beech scale, chestnut blight, and white pine blister rust—led to the Plant Quarantine Act of 1912 and regulations from the US Department of Agriculture in 1919. Despite these and subsequent regulations, insects and pathogens have continued to be introduced through live plants. [1]
Postharverst diseases; Bacterial soft rot: Erwinia carotovora subsp. carotovora. E. carotovora subsp. atroseptica E. chrysanthemi Pseudomonas spp. Alternaria rot Alternaria alternata: Botrytis fruit rot Botrytis cinerea: Rhizopus rot Rhizopus stolonifer