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Cultivation
Nutrient monitoring of garden mum
Chrysanthemums require medium to high fertility of 150 to 300 ppm N. Optimal substrate pH values for chrysanthemums range from 5.8 to 6.2. Chrysanthemums are susceptible to high substrate pH and soluble salts. Substrate pH above 6.5 inhibits iron availability and induce interveinal chlorosis (yellowing).…
"Choose the right soil analysis for in-ground cut flowers"
If you are using Saturated Paste Extract (SPE) to assess soil nutrients for in-ground grown cut flowers, you may be underestimating plant-available nutrients and applying fertilizers that aren’t needed. by Chevonne Dayboll, Greenhouse Floriculture Specialist, OMAFRA, Lauren Vanderlingen, OMAFRA Summer…
Nutrient monitoring of pansy
Pansies require low fertility of 100 to 150 ppm N. Optimal substrate pH values for pansies range from 5.5 to 5.8. Pansies can develop both low and high substrate pH disorders. If substrate pH drifts lower than 5.5, iron (Fe) and/or manganese toxicity occurs and is observed as lower leaf black spotting. Substrate pH values above…
Nutrient monitoring of poinsettia
Poinsettias require medium to high fertility levels between 150 and 300 ppm N, with the rate adjusted to take into account plant vigor. Optimal substrate pH values for poinsettia range from 5.5 to 6.5. If the substrate pH drifts lower than 5.5, plants will become stunted and color delayed. Substrate pH…
Kees Veldhuijzen about the Iribov project in Ghana
Make a real impact with good starting material
Iribov has had a production location in Ghana for a number of years. The location is used for the propagation of tissue culture. Most of the production will go back to the Netherlands for the customer network in Europe, but during the last three years the company explicitly also started to focus on the…
UK: Growing 100 percent peat free
Being peat free has been one of the highest priorities for Allwoods, but it has taken them much longer than they thought it would. The company first started moving to peat free composts over 10 years ago when they changed growing their young plug plants, they trialed various plug products and found the…
Joe Raju, Bumnong:
"This tray could guarantee 100% of seedling"
By comparing the results of a general seedling tray with their Fibroot tray, Bumnong USA found that the latter tray could get the crop about 20 to 50 percent higher when it was used for plants that had severe transplant shock or that the growth of the rootlet is not good enough. The team of Bumnong at…
India: Orchid Park developed by Horticulture Dept
An Orchid Park is being developed by the Horticulture Department on about 100 acres of land in Chhindwara district. Poly Houses will be developed by youth in this park. Land has already been earmarked for the park. Floriculture in this park will give a new identity to Chhindwara district. Under the…
The difference between semi-closed and pad and fan glasshouses
Pad and fan glasshouses have been in use for a long time. Most fruiting plants are prone to reduced quality and yield at maximum temperatures of more than 30 degrees Celsius. The cause is a reduced viability of pollen and as a result, the fruit will be soft, dull, misshapen and smaller in size. As fruit…
“Almost two weeks ahead of time"
Summer heat accelerates Alaska peony harvest
Alaska peonies have a special place in the world flower market. Typically, growers in the 49th state have a window of time when the flowers aren’t being harvested anywhere else in the world. But, this summer’s record-breaking heat led to an early and fast harvest, leaving farmers here wondering what the…
A new growth-tracking tool and a mum selector let you grow the best garden mums from start to finish.
US: Ball Seed launches online resource for mum growers
Ball Seed, North America’s leading horticultural distributor, is pleased to launch the Garden Mum Growth Tracking Tool for its Ball Mums growers. The new tool simplifies growth measurements by providing a space to enter weekly plant growth into a formula, which then compares the crop to a projected…
How Alaska became a center of peony cultivation
When you think of peonies, Alaska wouldn't be the first place that comes to mind - until two decades ago. Patricia Holloway , a horticultural researcher at the University of Alaska Fairbanks, remembers a conference held by the university in the late 1990s. "A guest speaker was a cut flower grower from…
Discovery of non-blooming orchid on Japanese subtropical islands
A group of Japanese scientists has discovered a new orchid species on Japan’s subtropical islands of Amami-Oshima and Tokunoshima that bears fruit without once opening its flowers. They named the new species Gastrodia amamiana. The research team was led by Associate Professor Kenji Suetsugu of the Kobe…
Royal Van Zanten's lily bulbs story in New Zealand
In 1996, Royal Van Zanten planted their first lily bulbs in New Zealand. After 4 years, Van Zanten NZ moved to a new location on the South Island. The village of Rakaia in the Canterbury region to be exact. Their lily bulbs are grown by 2 contract growers with whom they have been working together for…
How does a semi-closed glasshouse operate?
There is much confusion on how best to grow crops in a semi-closed glasshouse. Godfrey Dol, an expert on growing in semi-closed glasshouses, shares his experiences. To explain the differences between a conventional and a semi-closed glasshouse, let’s have a look at how a conventional glasshouse exchanges…
NL: Flowers colour Artis Amsterdam Royal Zoo
Visitors to Artis Zoo in Amsterdam this year will once again be amazed by a colourful sea of SunPatiens. In the park, between the Indonesian ‘Minangkabause’ house and the Anoa pen (the small but surprisingly fierce dwarf buffalo), a mass of colourful flowers is a delight for the eye. This colourful…
Malaysian school pioneers orchid in-vitro propagation
Maktab Rendah Sains Mara (MRSM) Kuching is the first school in Malaysia to have an orchid in-vitro laboratory to propagate local orchid species to ensure its species posterity. Sarawak Orchid Society (Saroso) president Zurenawatte Zaidel said that for a start, over 20 local orchid species are being…
Fertilizer for 10,500 haskap plants
Canada, Prince Edward Island: Transforming sea lettuce into plant food
An entrepreneur from Prince Edward Island is working on a project that he hopes will get rid of a perennial Island problem while helping to grow interest in the haskap berry…
US (SC): Clemson and American Floral Endowment encourage floriculture education
Agriscience teachers from all over the United States met at Clemson University to STEM it UP! for floriculture education at a professional development conference focused on teaching them everything they need to know to get their floriculture curriculum in full bloom. Catherine DiBenedetto, Clemson…
Monthly scouting guide for poinsettia problems
Okay, so Poinsettias don’t really get that many problems. But when issues arise, they can hit a crop fast and hard. Whitefly, Lewis mite, root rots, and nutritional issues can all quickly derail a quality crop. OnFloriculture presents a month by month guide on what you should be looking for to prevent…
Keeping the semi-closed glasshouse cool
If air-exchange is the main means of cooling a glasshouse, how does a grower keep the semi-closed glasshouse cool? Besides fan speed, which has a negative effect on climate , and evaporative cooling there is one other important tool to keep the temperature low, Godfrey Dol of Glasshouse Consultancy…
Nutrient monitoring of wax leaf begonia
Wax leaf begonias require low to medium fertility levels between 100 and 200 ppm N. Insufficient fertility results in an overall chlorotic (yellow) cast, stunted plant growth, and in green-leaf varieties, reddening of the leaf margins and interveinal spotting. Optimal substrate pH values range from 5.5…
Sigrow at work at Anthurium grower Evanty
Sensor technology helped grower to decide on best growth medium
In growing anthurium, water management is of utmost importance. Especially water retention as well as drain capacity are vital. So what soil, what substrate is best? With the help of the Sigrow sensor technology Evanty , grower of anthurium in Moerkapelle, The Netherlands, weighed two different potential…
CAN (AB): Horticulture checklist for July
Robert Spencer, commercial horticulture specialist at the Alberta Ag-Info Centre, has published a “to do” list for the month of July. The list includes the following items for greenhouse ornamentals: If holding plants for extended periods, ensure plants are kept healthy, fertilized and free from pests.…
Be mindful of residue on stock material
It’s that time of year again when poinsettia cultivation begins. Last season, several growers ended up struggling with whitefly. Now is a good time to think about the appropriate integrated and/or biological strategy to adopt. Biobest advisor, Stefan Bohté, urges growers to first look for possible…
"Grower mistakes can impact garden mum production"
Garden mums are one of the most popular summer and fall crops for greenhouse operations and despite expertly developed production schedules and tech sheets from specialty propagators, this seemingly simple crop can still perplex many growers. by Tom Ford - tgf2@psu.edu The use of Constant Liquid Feed…
Egyptian film manufacturer Al Quds introduces 5 layers technology
New technology manipulates light naturally for different crops
A particular plastic for a particular crop. That's the idea behind the 5 layers technology of Egyptian film manufacturer Al Quds. For several years, they are cooperating with the Lancaster University to manipulate the light naturally through the plastic for different crops. "Each and every crop is…
Nutrient monitoring of snapdragon
Snapdragons require low to medium fertility levels between 100 and 200 ppm N. Optimal substrate pH values for snapdragons range from 5.5 to 6.2. Snapdragons can develop high substrate pH disorders if the substrate pH rises above 6.5. Inhibited iron availability due to high substrate pH induces…
6,000 m2 shade hall installed at Dutch skimmia grower
Booming skimmia cultivation requires extra capacity
Recently, Rene van der Stok installed a new 6,000 m2 shade hall at Dutch grower Snepvangers Tuinplanten. It was necessary to keep up with the annual increasing skimmia cultivation. Currently, half a million plants are being produced per year. The new screen installation at Snepvangers Tuinplanten Savior…
Testing different light recipes
LED lighting and the light recipes that go with it are developing rapidly. This, in turn, makes it easier for growers to adapt to crops' differing qualities and yields, while reducing energy costs.…
Ornamental grasses will be showing up at Plantarium 2019
Plantarium participant Emhpo is a producer of ornamental grasses. They grow an extensive range with room for the well-known varieties and for grasses that they have developed themselves. Empho makes selections from existing varieties and creates new varieties. Empho distinguishes itself with the…
NL: BOL realises lower PGR requirement in Helianthus culture through substrate
The use of PGRs in ornamental cultures is likely to be more restricted in the near future. As an example, from March 2020 onwards, propiconazole will be banned in a lot of countries. BOL took on the challenge to test what is achievable with regards to growth control through growing media and feeding. Up…
Joyce Lansbergen, LG Flowers
How does the Dutch floricultural industry look like in ten years from now?
Individual growers, like the horticultural sector as a whole, are facing major challenges in the next few years. GreenTech asked various young entrepreneurs about the opportunities and threats they identify with regards to their businesses. In this article, Joyce Lansbergen of LG Flowers, a gerbera…
UK: Plant Heritage highlights pollinator friendly plants missing from National Collections
Plant Heritage is again highlighting ten plant groups which are not currently represented within the National Plant Collections such as poppies, rock roses and Echinacea. The…
What is living in your irrigation water?
Recycling of irrigation water increases disease risks due to spread of waterborne oomycete plant pathogens such as Phytophthora, Pythium, and Phytopythium. A study was conducted to determine spatial and temporal dynamics of oomycete communities present in irrigation water collected from a creek (main…
Things growers should never do in a semi-closed glasshouse
One of the main attractions for retailers and consumers alike to choose glasshouse produce, is the reliability with which the glasshouse produces quality and quantity of produce in a safe way. The semi-closed glasshouse has extended that reliability in the way it manages summer heat, pest and disease and…
These plants feed themselves
Who doesn’t love a flower that gobbles up bugs? That’s part of the allure of carnivorous plants. “Our stuff is a little bizarre, a little different,” said Eric Trygg, past president of the Sacramento Bromeliad and Carnivorous Plant Society. “People love the idea of bug-eating plants.” This weekend, the club will present its…
@CanadaleCrew 2 u
info@canadale.com
Why start small? These huge veggies will give you a head start with your harvest at home! 🍅🌶🥒 #growyourown #homegrown #backyardharvest #canadale pic.twitter.com/tK4mxPeGEp — info@canadale.com (@CanadaleCrew) June 19, 2019
Introduced by Nuova Pasquini e Bini:
New pot increases blueberry production yield
N uova Pasquini e Bini S.p.a. is an Italian company producing articles for plant nurseries and home gardening with more than 50 years of experience in the plastic moulding sector. The company has invested heavily in research, in mould design and planning, starting from the customer’s needs, to optimize…
Research:
Conditional protein function via N-Degron pathway–mediated proteostasis in stress physiology
The N-degron pathway, formerly the N-end rule pathway, regulates functions of regulatory proteins. It impacts protein half-life and therefore directs the actual presence of target proteins in the cell. The current concept holds that the N-degron pathway depends on the identity of the amino (N)-terminal…
US: The Challenges of North American Specialty Cut Flowers
Across the United States and Canada, demand for local specialty cut flowers is increasing, and production has correspondingly jumped. To accurately assess the needs of the industry, John Dole, Cristian Loyola, and Rebecca Dunning electronically surveyed 1098 cut flower producers and handlers regarding…
Digging up the Ranunculus
In the Green Works greenhouses in the Westland, Holland, they are currently busy with digging up the Ranunculus. Watch the video below to have a look at how they do it: For more information: www.monarchflowers.nl www.green-works.nl
Hoogendoorn Growth Management, Svensson, Hortilux, Saint-Gobain Cultilene, Koppert Biological Systems, LetsGrow.com
Plant Empowerment: Sustainable Growing Foundation spreads GPE knowledge
Growers who apply Growing by Plant Empowerment (GPE) in their cultivation strategy are getting great results, hence this sustainable concept deserves to be disseminated worldwide. Hoogendoorn Growth Management , Svensson , Hortilux , Saint-Gobain Cultilene , Koppert Biological Systems and initiator…
Russian tulip growers get acquainted with Dutch tech
On May 23 the Association “Greenhouses of Russia” held a seminar for agronomic services and flower-growing businesses on the topic “The technology of cultivation of tulips, the correct selection of varieties and planting material”. One of the leading Dutch companies in the production and supply of…
US (FL): Flower could provide natural food-color source
It provides a natural food coloring. It gives nurseries another ornamental to grow and sell, and it might provide health benefits to those who eat it with their food. It is the Butterfly Pea, and University of Florida researchers are studying the flower to see if it will grow in Florida. Much of what we…
or how do plants get their biological clock right
What makes a crop 'tick'?
It's widely understood that humans have a circadian clock. When we travel long distances, things get knocked out of kilter. Daily fluctuating rhythms were first discovered in plants in 1729 by…
A new lighting option for growers
Green Image announces the world wide introduction of their Horticultural Optimized LED Lighting Products. These LEDs and their optimized Spectra are designed for traditional…
Tiny bubbles help flower growers through hot summer
Since 2017 acniti is active in Japan with flower growers to increase flower production both in volume and quality. The first year they cooperated with the growers to setup trials and built up know-how for both parties. They quickly learned in the first season, that the technology worked well.…
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