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Pear (Pyrus spp.)-Vein Yellows {Red Mottle and Sooty Ringspot of Quince}

Cause Vein yellows reportedly is incited by a long, flexuous virus that is identical to or very closely related to Apple stem pitting virus . The virus is found in many noncertified European pear ...

Quince

See also: Pear ( Pyrus spp.) ...

Quince-Leaf Spot

... Asian pear, hawthorn, pear, photinia and serviceberry. Quince, some Asian pears and Asian hybrids are particularly susceptible, such ... is rarely seen. There are many fungicides labeled for quince. See apple or pear scab for materials that would be effective. ...

Pear (Pyrus spp.)-Decline

... phloem tissue is made in the spring. The dwarfing Quince rootstocks have been highly tolerant of this disease. For example, Comice on quince BA-29 has been very successful. The cultivar 'William' is incompatible ...

Pear (Pyrus spp.)-Virus and Virus-like Diseases

... spp.) - Vein Yellows {Red Mottle and Sooty Ringspot of Quince} Cause There are several virus and virus-like diseases of ...

Pear, Asian (Pyrus spp.)-Fabraea Leaf Spot

... See: Quince - Leaf Spot ...

Pear (Pyrus spp.)-Pacific Coast Pear Rust

... are produced on apple, crabapple, hawthorn, mountain ash, quince and serviceberry ( Amelanchier ). The alternate host is the incense ...

Pear (Pyrus spp.)-Powdery Mildew

... buds of apples. Other host plants include crabapple, and quince. Pear orchards are at a higher risk of disease development if planted ...

Hawthorn (Crataegus spp.)-Rusts

... including hawthorn, Amelanchier, cotoneaster, apple, pear, quince, and Sorbus ). They infect only alternate hosts during one summer. ...

Hawthorn (Crataegus spp.)-Fire Blight

... severely attacks apple, cotoneaster, photinia, pyracantha, quince, and mountain ash. It usually goes unnoticed on ornamentals such as ...