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March 30, 2001
While lisianthus has become an extremely important cut flower in the last decade, it certainly is not an easy crop to produce. Lisianthus seems to be plagued with a number of diseases, and fusarium crown and stem rot is one of the most damaging. It...
March 30, 2001
What!? Has Pohmer lost his marbles (or those few he has left!)? Has the cold weather in Minnesota finally caused hypothermia and slowed down his thought process and judgment faculties? Doesn’t he realize that both Home Depot and Lowe’s will compound...
March 23, 2001
I was a bit late for work today – traffic jam. But this wasn’t your run-of-the mill gaper’s block. This delay was the result of the George W. Bush motorcade. The Texas governor was on his way to a set of studios on the near-north side of Chicago in...
March 23, 2001
Historically, light has been a difficult topic to discuss with growers for two reasons: 1) everyone seems to use a different light unit – footcandles, lux, lumens, micromoles, etc., and 2) accurate light sensors are expensive. So, our first goal was...
March 23, 2001
Ventilating and Cooling Greenhouses What is ventilation? Ventilation is the exchange of air between the inside and outside of the greenhouse. It is used to remove heat from solar radiation, to replenish carbon dioxide and to help control the levels...
March 23, 2001
The public has once again discovered the charm of perennials. Until recently, perennials were the victims of the "new every year" gardening attitude. But they have slowly crept back into backyard gardens, parks and roadside plantings over the past...
March 23, 2001
If you listen to any talk show, call-in radio program or self-help guru, they’ll all tell you the same thing; nothing dooms a relationship to failure faster than dishonesty. So, since we’re starting a new relationship with one another, I figured I’d...
March 23, 2001
Remember the days before e-mail, cellular phones and pagers? Seems like a lifetime ago that the only way to the outside world was to "let your fingers do the walking." Nowadays, we spend more time communicating with computers across the world than...
March 23, 2001
At the expense of research focused on maximizing other traits such as color, shape and long-lasting blooms after cutting, flowers have been left without much scent at all. Natalia Dudareva, assistant professor of plant molecular biology in the...
March 23, 2001
On July 11, the full House of Representatives voted to approve an U.S. Department of Agriculture budget targeting $4.2 million for floriculture and nursery research. And although the Senate version of that appropriations bill is not yet finalized,...
March 23, 2001
Over the past four decades, the NGMA’s structural manufacturers have worked with growers from all over the world. And whether it’s at a greenhouse or a trade show, there are some common questions growers ask that fall into eight general categories....
March 23, 2001
Suppliers have been slow to react to the most recent weights and measures regulation changes. But with Scotts’ plans for bag label adjustments this month, these four-year-old changes are starting to have real world meaning. Formal regulations...
March 23, 2001
The experts are up in arms about new research out of Iowa State University that further validates the lethal effects of Bt transgenic corn pollen on monarch butterfly larvae. Laura C. Hansen-Jesse and John J. Obrycki of the ISU Department of...
March 22, 2001
Downy mildews have gained a strong foothold in the horticultural industry in the United States and Canada over the past few years. During the winter and spring of 2000, some new crops were hit by downy mildew, including red salvia (S. splendens) and...
March 22, 2001
Grasses have always been an integral part of nearly every nature scene – fields, roadsides, sand dunes, even the shadowy depths of woodlands. But grasses are just now experiencing a rise in popularity as gardeners discover the striking array of...
March 22, 2001
It seems almost anti-American to dread the holidays, what with all the decorations, social gatherings and general good cheer. But the sight of mall decorations and twinkling Christmas lights in the trees has made me feel more like Scrooge than jolly...
March 22, 2001
Carl Volkers and Jim Kampwirth are the envy of every stamp collector and coin enthusiast around. They too were once collectors. Not of books or baseball cards, but of cacti. Volkers would find a rare species here or come across some unusual seed...
March 22, 2001
Reduction of pesticide and fertilizer runoff from greenhouses has been a repeated theme in the argument for a sound, protected environment. Many North American growers have taken the cue from their European counterparts by implementing subirrigation...
March 22, 2001
Greenhouse technology and equipment have been evolving at a staggering pace in recent years. What were once mostly small, family-owned businesses are now automated, computer- controlled, highly technical greenhouse operations. And just to keep...
March 15, 2001
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