favorable environmental conditions

Listing 1 - 10 from 37 for favorable environmental conditions

Verticillium Wilt of Strawberry, HYG-3012-95
... years or longer. Cool, overcast weather interspersed with warm, bright days is most favorable for development of Verticillium wilt. Infection and disease development may occur when ... (microsclerotia). These microsclerotia can remain viable in the soil for many years. Under favorable environmental conditions, they germinate and produce threadlike fungal structures (hyphae). Hyphae can penetrate root ...
ohioline.osu.edu

Botrytis Fruit Rot "Gray Mold" of Strawberry, Raspberry and Blackberry, HYG-3017-94
... capable of rotting mature or near-mature fruits of strawberry, raspberry, and blackberry. Under favorable environmental conditions for disease development, serious losses can occur. One of the most serious and ... picking, the handling of infected fruit will spread the fungus to healthy ones. Under favorable conditions for disease development, healthy berries may become a rotted mass within 48 hours ...
ohioline.osu.edu More from this site

APSnet Feature - Return of an Old Problem:Fusarium Head Blight of Small Grains
... needs to be determined in comparative trials using moderate airborne inoculum and under moderately favorable environmental conditions, since Type I resistance can be easily overwhelmed (30). Type II resistance has been ... , D.F. 17. McMullen, M. P., Enz, J., Lukach, J., and Stover, R. 1997a. Environmental conditions associated with Fusarium head blight epidemics of wheat and barley in the Northern ...
www.apsnet.org

Strawberry Diseases in Michigan
... fungus Phytophthora cactorum. This disease can become very important in some years, given favorable environmental conditions. Ripening fruit clusters that are touching the ground in standing water after ... vigor is generally affected, how-ever, causing the plants to die when weather conditions become unfavorable. Visible symptoms can include leaf crinkling, variegation, cupping, and stunting. ...
www.canr.msu.edu

Intact Rootball Vs. Rootbound
... the first symptoms of being rootbound is, in fact, that plant growth slows despite favorable environmental conditions (light, water, fertilizer, etc). The second symptom is that rootbound plants begin having ... our purposes (bonsai), trees should be rootpruned and repotted long before they reach rootbound conditions. This doesn't happen overnight. There is a long gradual procession of slowing ...
www.evergreengardenworks.com

Asian Soybean Rust - Frequently Asked Questions II: Identification, Biology, and Ecology
... and warmer temperatures during the night. All of these factors favor rust development. However, climatic conditions in Virginia make it likely that other areas of the plant will experience six ... Will dry weather affect the disease? ASR spores are produced rapidly in large quantities under favorable environmental conditions (i.e. temperatures between 59 to 82°F and free moisture). Dry weather can ...
www.ext.vt.edu

Asian Soybean Rust - Frequently Asked Questions V: Monitoring, Tracking, and Scouting
... . This is critical for controlling a disease such as ASR that develops very rapidly under favorable environmental conditions. When do I need to start scouting for ASR and how should I scout fields ... low-lying areas, areas near bodies of water, and any site where high moisture conditions will be favorable for disease development. Also scout areas with any suspicious yellowing. After rainy periods, or ...
www.ext.vt.edu More from this site

Abies lasiocarpa (Hook
... , and other environmental conditions. In one study in Colorado, covering the period 1961 to 1975 and a wide variety of conditions, an average ... 5 ft) in height in 20 to 40 years under favorable environmental conditions. However, trees less than 13 cm (5 in) in ... the seedling stage persists to old age. Under more favorable conditions, subalpine fir develops a relatively deep lateral root system (9). ...
www.na.fs.fed.us

Dormancy In Plants: A Process For Survival
... regulators (mostly hormones). The concentration of each growth regulator changes in response to the favorable growing conditions; as a result, plant growth is stimulated. As spring departs and summer arrives ... in the plum and cherry family which prevent immediate germination. When spring arrives, and environmental conditions favor growth, the seedlings burst from the ground and look forward to a ...
gardenline.usask.ca

Vegetable Crops - pt 4
... and fruit. Small, yellowish green to brown spots develop on the leaves. Under favorable weather conditions, spots become numerous and sometimes coalesce into large spots. Infected leaves turn yellow and ... weeds and is transmitted from weeds to healthy plants in the fields by aphids. Environmental conditions favoring aphid multiplication and migration into the field will result in severe outbreaks of ...
plantpathology.tamu.edu

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