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August 31, 2001
The production requirements of ornamental cabbage and kale can easily be forgotten in the fall because care of the two other major crops, pansies and poinsettias, may take precedence. Production of pansies, poinsettias and ornamental cabbage and...
August 31, 2001
Virus-induced diseases of greenhouse-grown flowers have the potential to be some of the most economically devastating diseases associated with the production of these crops, and some plant viruses can be more of a problem than others. Common viruses...
August 31, 2001
Greenhouse and floriculture crops represent an important part of agribusiness, with more than $5 billion annually in farmgate receipts. Clearly, this is an important business that must consider how to maximize efficiency in all areas of production,...
August 31, 2001
Fungicide Resistance Fungicides should be used intelligently to prevent the loss of effectiveness by resistance development. Table 1 lists fungicides and their chemical classes that are most likely to develop pathogens with resistance. Do not make...
August 31, 2001
Subirrigation is becoming an increasingly common way of watering and fertilizing greenhouse crops. A properly managed ebb-and-flow, trough or flooded floor system saves labor, water and fertilizer, and reduces nutrient pollution of groundwater and...
August 31, 2001
After the 2000 spring season, you probably took rigorous notes about which crops performed well, what conditions led to pest and disease problems, and how you could be more cost efficient for the 2001 season. Regardless of how much you plan, weather...
August 09, 2001
Minimizing fertilizer and water requirements has become increasingly important to greenhouse growers who are facing higher water and fertilizer costs, decreasing availability of quality water and increasing environmental concerns to protect surface...
August 09, 2001
Fertility monitoring and management for pansies requires a balancing of the plants’ needs. Growers must be aware and manage root substrate pH and electrical conductivity (EC), as well as provide adequate, but not excessive, levels of all the...
June 26, 2001
All-America Selections, All-America Rose Selections, Fleuroselect and FloraStar provide a service to professional growers by letting them know which varieties are good performers, important information for the growers who can’t make it to the trials...
June 26, 2001
Ornamental cabbage and kale have become increasingly popular as fall bedding plants due to their brilliant, interesting and long lasting foliage. Ornamental cabbage and kale complement garden chrysanthemums and fall pansies exceptionally well,...
June 26, 2001
Especially this year, growers are all wondering how their neighbors, friends and competition are faring, what the production trends are and how the floriculture industry is progressing. For this reason, GPN has once again conducted its Annual State...
June 26, 2001
 Last year, I authored a series in GPN on branding. These articles included the goals and expectations, the development process and the support needed to create and maintain brands. Brand image can be a tremendous asset in a sustained marketing...
June 26, 2001
Ball FloraPlant With 127 new varieties added to their line-up, Ball FloraPlant and Simply Beautiful have more introductions than could be covered in a brief description. Among those that will be most popular with growers are the following. The ‘...
June 26, 2001
Most would agree; icicles aren’t something you typically associate with flowers. The frigid stalactites common to harsh northern winters do little to conjure up images of the lush growth and vibrant colors of spring. But thanks to more than a decade...
June 26, 2001
Greenhouse floricultural crops are susceptible to several arthropod pests that affect crop marketability and cause economic loss. Among these pests, fungus gnats are especially problematic during propagation when plant roots are just developing....
June 26, 2001
Attending the California Pack Trials for the first time is quite the experience – one definitely in the best interest of every grower, regardless of production size. Aside from the hospitality and the lush displays and the chocolate chip cookies,...
June 26, 2001
The ideal greenhouse heating system would operate continuously and supply heat at the exact rate at which it is being lost from the greenhouse. This would provide the highest efficiency. Since it is neither practical nor possible to design such a...
June 05, 2001
Iron deficiency problems are appearing more frequently than ever among bedding plants and other spring crops. Iron (Fe) deficiency symptoms generally show up as an interveinal chlorosis, normally starting at the shoot tips, but often they occur...
June 05, 2001
Ideas are born from simple things. Something usual, something you see everyday. Then one day, somebody discovers something in the everyday that you didn’t. Something different, something better. Case in point, Len Van Wingerden. Van Wingerden had...