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Cultivation


US (FL): New app converts between dates and production week number

In horticulture we are often converting back and forth from production week number to calendar date when scheduling crop management and sales events.The production week number we use in horticulture is based on International Organization for Standardization (ISO) rules. Week 1 is the first calendar week of.....

Peter van de Pol, Plant Research Overberg (PRO)

Rosy future for new rootstock

The majority of rose plants used for professional cut flower production worldwide are grown on the Natal Briar rootstock. It was introduced by Dr. Peter van de Pol Sr. around 1985. Combined with his invention of top grafting quickly made it the standard in cut rose production. Today around 90 percent of cut.....

UK: Precision scheduling of irrigation in hardy nursery stock

This AHDB factsheet provides practical recommendations for the efficient irrigation of container-grown hardy nursery stock in order to optimise water use and maintain plant quality in peat-based, peat-reduced and peat-free growing media and to minimise the risk of potential nutrient leaching from crops. This.....

MSU offers self-paced online greenhouse courses

Growers can now register for the summer session of Michigan State University Extension’s College of Knowledge. There are now five courses in the nationally-award winning series:Root Zone Management CourseBiological Control for Greenhouse Growers(Spanish) Control Biologico para Cultivadores en.....

Koen Pack Kenya expands

Kenya: "Five new halls, double the production"

In recent months, the people at Koen Pack Manipal's production facility in Kenya got a lot done. Five new halls were built and the existing machines have been transferred. In addition, several new printing machines have been purchased so that the production has now doubled, according to the supplier of.....

Trade mission and webinar Mexico and Guatemala

"Mexican horticulture thrives like never before"

More than a year ago, during the horticultural exhibition Expo Agrialimentaria in Irapuato, Mexico, people became nervous when Donald Trump unexpectedly won the US election. The future of Mexico was unclear due to possible import restrictions, the construction of the border wall and the 'America First'.....

Approaches for the analysis of 3D CT images of plant roots

Scanning technologies based on X-ray Computed Tomography (CT) have been widely used in many scientific fields including medicine, nanosciences and materials research. Considerable progress in recent years has been made in agronomic and plant science research thanks to X-ray CT technology. X-ray CT.....

US: Controlling lavender ‘Phenomenal’ flower stalk growth

If you are still shipping spring lavender, you might be interested in ideas on keeping those flower stalks somewhere close to the shipping cart. A few years ago, Peace Tree Farm released the new, vigorous lavender ‘Phenomenol’ and at their request, we evaluated the growth retardants, Dazide, Dazide/Citadel.....

Ins and outs of Magnesium in plant cultivation

Magnesium (Mg) is sometimes a forgotten element. In many areas of North America, adequate Mg is available in the groundwater used for irrigation. Concentrations of 25 to 50 ppm Mg are sometimes available and provide adequate levels for plant growth. In addition, supplemental Mg is also supplied via the.....

Pot plants: controlling growth through climate strategy

The right climate strategy can have a decisive effect on growth in potted crops. Specialist editor Heinrich Dressler has summarised the findings that Gabriele Hack collected from the Chamber of Agriculture of North Rhine-Westphalia in various test settings.Climate strategies ‘Negative-Diff’ and ‘Cool.....

Northwest Europe discovers the benefits of coating

Light is the limiting factor for a large part of the year in North-West Europe. This means that any improvement in the amount of light that reaches the crop immediately results in improved yield and quality. The general rule of thumb is: 1% more light = 1% higher production. This applies both to fruiting.....

Why plants are so sensitive to gravity: the lowdown

Plants can detect the slightest angle of inclination. Yet the mechanism by which they sense gravity relies on microscopic grains. In theory, such a system should hardly allow for precise detection of inclination. Researchers from the CNRS, INRA and Université Clermont Auvergne have now explained this curious.....
PGRs on perennials

Configure on lobelia cardinalis

With the crazy spring we’ve had this year, some of your perennials may be needing a little help to get ready for market, especially if you are using a bedding plant production model to fast-track your herbaceous perennials. If you haven’t already applied Configure (BA, Fine Americas), or, even if you have,.....

Supplementation for grow op success

Outdoor and indoor growing each comes with its own unique set of challenges. Outdoor growers enjoy lower energy bills, but pay for it later with products that tend to net less money. Conversely, indoor growers tend to produce cannabis that fetches higher prices, but pay for it when the electric bill arrives......