December 2006
Can you believe December is already here? What happened to 2006? It seems like just yesterday the GPN editorial staff was in Columbus attending the OFA Short Course and the day before that we were traversing the highways...
The recent E. coli incidents involving spinach and our earlier problems with Ralstonia should make greenhouse growers wake up in a sweat: What would happen if the public thought our products weren’t safe because of disease...
In the second article of our 2-part series, we are presenting research-based information from North Carolina State, Clemson and Michigan State Universities on how to properly manage two of the most critical components of...
What some thought 10 years ago would be a trend that would eventually fade away has instead established itself as a new form of gardening, undoubtedly claiming its permanent spot in horticulture: container gardening. What...
Today’s business climate is tougher than it’s ever been, and the challenges to profitability are put-ting many growers’ long-term futures at risk. In response, there has been a call to arms that one should sacrifice top-line...
Bedding plants are afflicted by a number of nutrient deficiencies. There are three diagnostic tests that can be used to assess these deficiencies — soil testing, foliar analysis and visual diagnosis. Soil testing and foliar...
There have not been many plant growth regulators introduced for greenhouse crops over the past 15 years. One of the newer PGRs is Topflor (flurprimidol). At North Carolina State University, we have conducted extensive...
Rudbeckia fulgida, commonly known as black-eyed Susan, is one of the most recognizable perennials in today’s landscape. The popularity of the black-eyed Susan dramatically increased after the Perennial Plant Association...
Introduced in 1989, Primula acaulis Danova is known for large flowers with bold colors on compact, uniform plants. Intended for early season sales, the Danova series has grown to a broad selection of 30-plus varieties....
In last month’s column, I discussed the definition of daily light integral (DLI). Just to refresh your memory, DLI is the cumulative amount of photosynthetic light that is received each day. The DLI is measured as the number...
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