Spot On Observation
Gizmo
2 years ago
Featured Answer
Comments (22)
amykath
2 years agogsciencechick
2 years agoRelated Discussions
5 years of rose garden observations
Comments (1)If you like Mutabilis you may love the Tea roses such as Mrs. B. R. Cant and Monsieur Tillier. I like 'Bishops Castle' very much as well. It's been great here....See MoreA fungus to possibly be aware of?
Comments (2)Henry, you do such an amazing job of keeping up with all of this stuff and keeping us informed. It is appreciated...but...please stop finding more things I need to worry about, lol! Some days I just can't deal with finding out there are more things out there that want to destroy my roses....See MoreQuestion about black spot
Comments (17)In the past I grew about 1000 roses in a northern Ohio zone 5 garden. I did not spray. I would get a little blackspot on some roses late in the season. I have stated that I consider that as possibly part of Nature's way of shutting down the roses for winter. I have posted this information (or something similar) many times on the web: "There is a another choice. This choice is to allow the friendly fungi to reach equilibrium with the blackspot. This choice comes under the heading of "biocontrol". The following may be useful in putting the concept of biocontrol into layman terms: "Disease-suppressive soil microorganisms have been found in many places. In monoculture wheat the severity of "take all" disease often decreases within three to five years. This phenomenon is known as "take all decline," and is considered an effective natural control. Although the mechanisms are not completely understood, the decline is associated with changes in soil microorganisms that compete with and prey on the fungus. Melon plants grown in the Chateaurenard region of France do not show Fusarium wilt symptoms even though the fungus is present in the soil. Soils with suppressive characteristics tend to develop slowly and are usually found in fields where perennial crops or monocultures have been grown for many years. Suppressiveness may be lost if the monoculture is interrupted even for one year, or if pesticides are applied. For example, researchers first recognized soils suppressive to cereal-cyst nematode when nematode numbers increased after application of a broad-spectrum biocide. Many species of fungi and bacteria in the genera Trichoderma, Streptomyces, Bacillus and Pseudomonas suppress diseases, but at this time only a few strains are commercially available. Additional commercial products may be available soon, however, as this is currently an active research area." The quote was taken from: [sorry link no longer works] ------------------------------------------------- A scientific study (2007) of biocontrol of blackspot of roses: http://www.tandfonline.com/doi/abs/10.1080/17429140701701071 --------------------------------------------- " Thread where the above appeared: http://forums2.gardenweb.com/forums/load/rosesant/msg06130420825.html...See MoreCan Raptors Carry off Dogs and Toddlers
Comments (10)Great horned owls can attack and take small (very small) dogs. Saw one do it ... it was in the habit of stopping in the parking lot where I worked, perched on a light post. hoping for one more bunny or mouse. We were admiring it when a man came jogging through the industrial park, preceded by a very small dog running off leash about 50 feet in front of him ... end of dog. The owl swooped, snatched, and kept going, with a very dead (limp,not moving) dangling from its talons. If the idiot owner had followed the leash laws, the dog would have been...See MoreValinta
2 years agodedtired
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2 years agoBrown Dog
2 years agoZalco/bring back Sophie!
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2 years agoarcy_gw
2 years agogsciencechick
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2 years agoJen K (7b, 8a)
2 years agoZalco/bring back Sophie!
2 years agol pinkmountain
2 years agoJen K (7b, 8a)
2 years agoZalco/bring back Sophie!
2 years agolast modified: 2 years agol pinkmountain
2 years agolast modified: 2 years ago
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