aerial galls

Listing 1 - 10 from 13 for aerial galls

Bacterial Crown Gall of Fruit Crops HYG-3301
... galls on the roots, crown, trunk or canes. Galls usually develop on the crown or trunk of the plant near the soil line or underground on the roots. Above ground or aerial galls may form on canes of brambles and highly susceptible cultivars of grape. Although they can occur, aerial galls are not common on fruit trees. In early stages of development the galls ...
ohioline.osu.edu

Crown Gall
... .As they enlarge, the galls become woody with a rough and irregular surface. Aerial galls can develop but most are found at or just below the soil line. Galls range from pea-size to ... . Damage to infected plants results from interruption of water and nutrient movement up the stem. Galls also interfere with normal growth and development, therefore, infected plants may be stunted and unthrifty ...
plantpathology.tamu.edu

The following full paper can be accessed free
... Testing requirements The plants should be regularly inspected for visual symptoms. Any plant with galls possibly caused by A. tumefaciens should be eliminated. Plants showing virus symptoms should be ... All these viruses are mechanically transmitted to rose only with difficulty. They have no known aerial vector. Pollen transmission of PNRSV (which occurs in fruit trees) is suspected in rose. ...
home.neo.rr.com

Common Smut of Corn, HYG-3119-96
... is more common to see smut galls on the ears, tassels, and nodes than on the leaves, internodes, and aerial roots (Figures 1 and 2). ... yield losses occur when the ear becomes infected or if smut galls form on the stalks immediately above the ears. Figure 1. Sweet corn tassel with mature common smut galls. Figure 2. Mature common smut galls on corn ear. Causal Organism Corn smut is caused ...
ohioline.osu.edu

Vegetable Crops - pt 4
... , slimy, foul-smelling, soft rot. Leaves near tops of vines curl upward and become stunted. Aerial tubers usually form in leaf axils. Severely affected plants die. Tubers from affected plants show ... shown good resistance to BlCMV. See variety listing. Root Knot (nematode - Meloidogyne sp.): Relatively small galls or knots develop on roots of affected plants. See the section on root knot nematode ...
plantpathology.tamu.edu

Stranglers & Banyans
... Pollinator Wasp  Figs Of The Holy Land (Their Role In Religions)  Gall Controversy: Are Galls Induced By Fig Wasps  Evolution and Pollination Patterns In Dioecious Figs  Sex Determination ... humid southern Florida, several species of Asiatic strangler figs commonly develop epiphytically with numerous aerial roots. The symbiotic wasp pollinators have also been introduced in Florida for these ...
waynesword.palomar.edu

Woolly Apple Aphid
... year to year because of the feeding of the aphids. Such galls can form favorable places for fungi to attack. The foliage ... callus tissue in wounds, cankers and scars. Wingless females in the aerial colonies may give birth to nymphs at any times in spring, ... crawlers are numerous, especially in early summer and fall. Infestations by aerial colonies are not true indications of root infestations over a ...
www.canr.msu.edu

U of MN Extension - Consumer Topic Listing by Material Type
... Homes Fire Hazards of Stored Pesticides on Farms Fumigating Stored Grain Insect and Mite Galls Insect Pests of Stored Foods Insecticide Suggestions to Manage Landscape Tree and Shrub ... 's Required? Pesticide Handlers and the Worker Protection Standard, Spanish Version Pesticides Used by Aerial Applicators in 1992 Sustainability in Urban Ecosystems Sustainable Agriculture at the University of ...
www.extension.umn.edu

Sahlbergia – Abstracts of volume 10 – FMNH
... One female of Pteromalus hieracii (Thomson) emerged in Vantaa from the galls; this species occurs normally in stem galls of Aulacidea hieracii (Bouché) (Hymenoptera, Cynipidae) on Hieracium umbellatum L. ... and S. tuberosum was recorded. Hilltopping behaviour is an especially rarely documented form of aerial mating in black flies. Similar mating swarms of palearctic Metacnephia species to those ...
www.fmnh.helsinki.fi

Welcome to ISPPWeb
... Bouzar, H. & Jones, J.B. (2001). Agrobacterium larrymoorei sp. nov., a pathogen isolated from aerial tumours of Ficus benjamina. International Journal of Systematic and Evolutionary Microbiology 51, 1023-1026. ... and Tiedje, J.M. 2000. Leifsonia poae gen. nov., sp. nov., isolated from nematode galls on Poa annua, and reclassification of 'Corynebacterium aquaticum' Leifson 1962 as Leifsonia aquatica ( ...
www.isppweb.org