Announcements

Job offersmore »

Tweeting Growers

Last commentsmore »

Top 5 - yesterday

  • No news has been published yesterday.

Top 5 - last week

Top 5 - last month

Exchange ratesmore »




Cultivation


Nutritional factsheets: Gerbera, Calibrachoa, dahlia cutting

e-Gro has published several new nutritional factsheets. In this article, we're highlighting three of them.GerberaGeberas require medium levels of fertilization, growing best with 150 to 200 ppm N. Optimal substrate pH values are between 5.8 and 6.2. Gerberas are susceptible to both low and high pH disorders,.....

US (MI): Resources for young plant growers

Michigan State University Extension has published numerous articles recently that are excellent resources for greenhouse growers starting the new spring season. The resources for the new season include: a start-up checklist, five considerations when starting a new season, and MSU Extension’s 2018 disease and.....

by Heidi Lindberg

Using surfactants in vegetative cutting propagation

There are many factors that contribute to the success of propagating unrooted cuttings (URC) and callused cuttings (CC) including: time to stick, light intensity, misting frequency, humidity, root-zone heating, temperature, ethylene exposure, and the use of rooting hormones. Dr. Garrett Owen covers the.....

US (CA): Vanilla orchids hit the sweet spot

Across California, ornamental growers are clearing out their greenhouses and putting in marijuana plants, following the legalization of cannabis in California. The cultivation circumstances are perfect for this particular crop, and the growers already have the necessary know-how, so why not take the plunge?.....

Nutritional factsheet New Guinea impatiens

New Guinea impatiens require low fertility of 100 to 150 ppm N. They prefer a pH within the range of 5.8 to 6.2. This range prevents low substrate pH induced iron (Fe) and manganese toxicities which occurs if the pH drifts lower than 5.5. Substrate pH values above 6.5 can also inhibit Fe availability and.....

How do cold temperatures affect plants?

VIDEO Cold temperatures will slow down plant growth. In this Q&A video, Horticulture Specialist Troy Buechel explains what are the causes and effects of a variation of temperature on plants, in a greenhouse production.For more information:Premier Tech Horticulture Office1, avenue PremierRivière-du-Loup.....

US: Biochar could replace unsustainable peat moss in greenhouse industry

Plant lovers are familiar with peat moss as the major component of potting mix, but harvest of the material is becoming unsustainable. Not only is peat being removed faster than it can re-form, its use in potting mix contributes to the release of carbon dioxide into the atmosphere."Peat bogs naturally store.....

NL: Vitro Plus innovates in cultivation system for ferns

Vitro Plus has developed a whole new cultivation system for ferns, where plants are cultivated into semi hardened off seedlings in a fully monitored efficient way.This new system has been derived from Vitro Plus 30 year old tissue culture system, which needed new modified growing conditions. A separate.....

2018 e-GRO webinar recording links

In case you missed them live, e-Gro created links to their winter 2018 webinars.A complete library of webinar and video recordings are archived on the e-GRO YouTube channel. Normal 0 21 false false false NL X-NONE X-NONE .....

English version available

Quantitative Information on (Dutch) Greenhouse Horticulture 2016-2017

The 25th edition of Quantitative Information on Dutch Greenhouse Horticulture, has now been published in English by Wageningen University & Research Greenhouse Horticulture. This version contains a summary of the acreage of the several crops during the past few years, indicative prices for the equipment.....

Younger leaves: Yellowing between the veins

Plants can tell you a lot, especially when they are not happy. There are some tell tale signs when you read the leaves.Plants with the younger leaves exhibiting interveinal chlorosis usually denote that iron is unavailable. A little investigation is needed to make sure the exact cause. Interveinal chlorosis.....

"better mechanizable and destackable"

Fertil improves its biodegradable pots

Fertil has improved their biodegradable pot to make them better mechanizable and destackable. At the IPM Essen, last week, they presented this award winning product at their booth. Sandra Villette Sigault presenting the Fertilpot NT at the IPM Essen 2018 in Germany. Entirely environmentally friendlyOver the.....

Nutritional Factsheet Petunias

Petunias propagated from both seed and vegetative cuttings are considered to have a high fertilization requirement. Seed petunias can be fertilized with 150 to 200 ppm N to maximize growth, while vegetative-types require 200 to 300 ppm N. Optimal pH values are between 5.5 and 6.2. The most common nutritional.....

Use of heat imaging camera in Gerbera cultivation

Gerbera growers have been actively involved in the research and practical application of Next Generation Growing (NGG). They are one of the few growers' groups to do this collectively, supported by Kas als Energiebron, the innovation and action programme belonging to LTO Glaskracht Nederland and the Ministry.....