Plant species

A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z

aster yellows

Listing 1 - 10 from 40 for aster yellows
English [9] French [1]

Daucus carota var. mativue, Disease Descriptions - Aster Yellows
... Daucus carota var. mativue, Disease Descriptions - Aster Yellows Aster Yellows Symptoms on Carrot Aster Yellows (Mycoplasma): The first symptom of aster yellows is yellowing of the foliage [Photo #6], followed by excessive growth and bunching of shoots. ...
plantpathology.tamu.edu

Carrots (Part 2)
... maintain crispness. A carrot needs only lose 5% of its moisture before it becomes rubbery. Aster yellows is one of the few diseases that appears in the carrot patch. A carrot affected ... , so when aster yellows shows up, the best thing to do is pull that carrot and throw it into the garbage to prevent further spread. Like almost all plant diseases, aster yellows is in ...
gardenline.usask.ca

Lawn and Garden Cleanup Can Reduce Disease
... - such as blighted potatoes, mildewed peas and smut on corn cobs. If your carrots have aster yellows disease, dispose of the old carrot leaves, but also remove perennial weeds such as dandelions ...
gardenline.usask.ca
More from this site

Purple cone flowers
... Weevils, which will feed on the root stock and root aphids. The largest problem is Aster yellows, a virus, which produce stunted plants with grotesquely formed flower heads. The flowers will be ...
hardyplants.com

Incidence and molecular detection of yellows-type disease in carrots, associated with leafhoppers in southern Manitoba, Canada
... in carrots, associated with leafhoppers in southern Manitoba, Canada Incidence and molecular detection of yellows-type disease in carrots, associated with leafhoppers in southern Manitoba, Canada O. Wally, F. ... , T. Shinners-Carnelley, M. Iranpour, P. Northover, and S. Keyworth Pages 498-505 Abstract: Aster yellows (AY), a disease caused by phytoplasmas, is a limiting factor to carrot production in ...
pubs.nrc-cnrc.gc.ca

New Disease Reports - First report of molecular detection of an Aster yellows phytoplasma (Candidatus Phytoplasma asteri) isolate infecting chilli (Capsicum annuum) in India
... Aster yellows group members, such as Barley deformation phytoplasma (AY734453), Aster yellows phytoplasma (AY665676), Valeriana yellows phytoplasma (AY102274), Onion yellows ...
www.bspp.org.uk

The Official Seed Starting Home Page - Aster
... Starting Home Page - Aster Your Weekly Electronic Gardening Guide Practical Horticulture for Busy People. Aster About This Plant... Genus and species: Callistephus chinensis Plant type: cool- ... Transplanting Guidelines... Spacing between plants: 12-15 inches Growing On... Pests: leafhoppers Diseases: wilt, aster yellows Growing tips: pinch back plants in late spring to encourage bushiness; rotate ...
www.chestnut-sw.com

Questions On Aster
... Questions On Aster Questions on: Aster Ron Smith, Horticulturist, NDSU Extension Service Q. Why are my asters turning yellow and starting to dry up right before they bloom? (Miller, S.D.) A. Well, there are aster yellows, rust ...
www.ext.nodak.edu

Ornamental Pathology Facts
... Ornamental Pathology Facts Gary Moorman Professor of Plant Pathology Aster Diseases Disease Symptoms Pathogen/Cause Management Aster Yellows Leaves yellow. Abnormal branching occurs. Yellowed, leaf-like tissue forms instead of flower parts. Phytoplasm ...
www.ppath.cas.psu.edu

Yellows Disease of Purple Coneflower
... purpurea) shows purple ray flowers on a cone-shaped head. Infected with the yellows organism, these flowers turn into distorted, green leaflike structures. Infected plants are usually ... to healthy plants as it feeds. The yellows phytoplasma has a wide host range, including echinacea, monarda, caraway, marigold, snapdragon, aster, mum, daisy, carnation, strawflower, carrot, broccoli, tomato, ...
www.ipm.iastate.edu




These listings are filtered
View all for aster yellows