Ongoing research

Page

Peach & Nectarine Flower Development

Peach & Nectarine > Flower, Fruit & Cultivar Photo Gallery > Flower Development These photos are viewable courtesy of University of California research and extension personnel and programs, including the UC Statewide IPM Program for the photos related to flower and fruit development.
View Page
Page

Pear Propagation

Pear Propagation | Scion & Rootstock Selection | Orchard Establishment | Flower, Fruit & Cultivar Photo Galleries | Deficiencies & Pests | Harvest & Postharvest | Reviewers & Credits | Resources & Links Pear cultivars and rootstocks do not maintain their specific characteristics when grown from seed...
View Page
Page

Pear Scion & Rootstock Selection

Pear Propagation | Scion & Rootstock Selection | Orchard Establishment | Flower, Fruit & Cultivar Photo Galleries | Deficiencies & Pests | Harvest & Postharvest | Reviewers & Credits | Resources & Links Rootstocks Rootstocks are used in commercial orchards to improve tree anchorage, pest tolerance a...
View Page
Page

Pear Deficiencies & Pests

Pear Propagation | Scion & Rootstock Selection | Orchard Establishment | Flower, Fruit & Cultivar Photo Galleries | Deficiencies & Pests | Harvest & Postharvest | Reviewers & Credits | References & Links It is essential to control pests and diseases in pear orchards to meet the strict insect and dis...
View Page
Page

Pear Insect, Mite & Nematode Pests

Pear > Deficiencies & Pests > Insect, Mite & Nematode Pests The most prevalent and harmful orchard pest of pear in California is the codling moth (Cydia pomonella). Pear psylla (Cacopsylla pyricola) and the twospotted spider mite (Tetranychus urticae) are also common in California.
View Page
Page

Pear Diseases & Disorders

Pear > Deficiencies & Pests > Diseases & Disorders The two most common diseases affecting pear trees in California are fire blight and pear scab. Blossom blast and oak root fungus also occur in some pear orchards, but are limited geographically.
View Page
Page

Pear Deficiencies

Pear > Deficiencies & Pests > Deficiencies Pear Photo Gallery These photos are accessed from the UC ANR Repository, are available courtesy of University of California research and extension personnel and programs, including the UC Statewide IPM Project.
View Page
Page

Pear References & Links

Pear Propagation | Scion & Rootstock Selection | Orchard Establishment | Flower, Fruit & Cultivar Photo Galleries | Deficiencies & Pests | Harvest & Postharvest | Reviewers & Credits | References & Links Links Fruit and Nut Information - European Pear, Asian Pear ( listings of useful links and pdf f...
View Page
Page

Pecan Propagation

Pecan Propagation | Scion & Rootstock Selection | Orchard Management | Deficiencies & Pests | Processing & Storage | Reviewers & Credits | References & Links Sexual Propagation (by seed) Propagation by seed is typically only used to produce seedling rootstocks for grafting cultivar clones.
View Page
Page

Pecan Deficiencies & Pests

Pecan Propagation | Scion & Rootstock Selection | Orchard Management | Deficiencies & Pests | Processing & Storage | Reviewers & Credits | References & Links In California aphids are the most common pest in pecans.
View Page