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All about raspberries


Sun, Sep 24th, 2000
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Diseases of Raspberries By Virginia CooperMonday, September 25, 2000

There are two kinds of diseases that commonly infect raspberries, the serious and the not-so-serious. Of the serious kind, we have anthracnose, cane blight, spur blight and botrytis fruit rot (grey mold). The not so serious list includes: phytophthora root rot, powdery mildew, rust fungi, leaf spot and verticillium wilt. This list sounds pretty imposing but we can break it down and make it simpler.

All of these diseases listed so far are fungal, carried by spores over wind or wintering over in soil. There are three uncommon but potentially damaging viral diseases including raspberry mosaic, leaf curl and tomato ringspot. Viral diseases are carried by insect vectors. Today’s discussion will focus on the fungal diseases.

Before we get to symptoms, let’s get a better understanding of how the raspberry grows. There have two kinds of canes, primocanes and floricanes. Primocanes are the first stage of growth with green shoots that mature to grow only leaves. Floricane refers to the second year in the life of the raspberry cane, with leaves, flowers and fruit.

Now, serious symptoms to watch for include checking primocanes in late spring for purple-red lesions, center of lesions turning gray, leaf margins becoming raised and purple. Lesions will girdle canes and cause cane death. This indicates anthracnose and should be treated by total removal of all infected canes.

Primocanes are susceptible to spur blight. Symptoms include lesions that surround the nodes (the point where the leaves join the cane), lesions are brown with yellow margins and cause leaves to fall. It doesn’t kill the cane but next years buds will fail. Again, remove all infected canes.

Cane blight is usually seen on wounded or damaged canes. Usually not visible till floricane stage, lesions can be black, brown or grey and cause rapid wilting and death. Canes will be brittle and often break near the lesion.

Grey mold is very common and very serious, especially in cool, wet years. Infection begins on flowers but usually isn’t seen until fruit develops grey or brown fuzzy mold. Damaged, bruised or wounded canes are more susceptible. Total removal of fungal material is critical.

Of the not so serious diseases we have rust, leaf spot and powdery mildew. Problems are mostly cosmetic and are remedied by good cultural practices. Root rot has potential to be serious but is rar .....
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Charlie's Eatery & Pub
City of Fountain

This work is not for the birds

Sun, Sep 24th, 2000
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Monday, September 4, 2000

I stand on the roof of our workshop holding the end of a rope. My husband has tied the opposite end around his waist so he doesn't slip as he hammers nails into our new metal roofing. Although I am alert to the danger ..... 
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In the Lands of the Pte Oyate

Sun, Sep 24th, 2000
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Monday, September 25, 2000

Sunlight shimmering, my wife Connie and I wrestle with the wind as we set up our campsite. Howling out of Nebraska, the stiffly blowing southern gale threatens to rip the ground cloth from our hands while we fumble w ..... 
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A walk in the woods

Sun, Sep 24th, 2000
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Monday, September 18, 2000

There’s always a welcome relief to a September. The kids are back in school, the humidity and temperature drop a point or two and even the pesky summer bugs are starting to disappear. It’s a perfect time for a walk i ..... 
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The Bat

Sun, Sep 24th, 2000
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Monday, September 25, 2000

There have been radio programs, comic books, and television shows featuring people who have, for reasons of their own, assumed some of the characteristics of the little brown bat. As far as I know, all these attempts ..... 
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Survivors

Sun, Sep 24th, 2000
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Monday, August 28, 2000

This is a story about survivors.

No, it is not about the gameshow/psychodrama that was recently portrayed on CBS, where neurosis is a developmental skill highly valued by artificially created tribal groups.
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Sam’s bath

Sun, Sep 24th, 2000
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Monday, September 18, 2000

It was a beautiful Saturday morning, a day that you might expect to enjoy in June rather than September. My dog, Sam and I took a walk through the woods while my wife was entertaining some of her friends out on the d ..... 
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Journal Profile # 79

Sun, Sep 24th, 2000
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Name: Jim Attwood
Home: Preston
Profession: Court Administrator for Fillmore County
Family: Wife Kathy, Daughters Jessica and Emily
Hobby: History, travel, ham radio, computers
Last Book Read: ..... 
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BLT Bites

Sun, Sep 24th, 2000
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16 to 20 Cherry tomatoes
1 pound bacon, cooked & crumbled
1/2 cup mayonnaise or salad dressing
1/3 cup chopped green onions
3 tablespoons grated Parmesan Cheese
2 tablespoons snipped fresh parsley
• With a small sharp knife, cut th ..... 
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