Orius nymphs turn out to be highly mobile. With targeted supplementary feeding, this adult bug can be attracted to new cuttings.

Researchers make breakthrough in thrips control in chrysanthemum

The predatory bug Orius has been used to control thrips in sweet pepper for many years with great success, but the results have so ...
Meiny Prins. CEO Priva at World Horti Center

Horticulture in 2050: lots more technology, but fewer entrepreneurs

If we were to make an analysis of the horticulture industry thirty years from now, we would see that horticulture businesses have morphed into ...
World Horti Center opening

Great interest in the opening of the World Horti Center

The World Horti Center, the global centre for research and innovation for the greenhouse horticulture industry in Naaldwijk, was officially opened on 7 March ...
Wageningen UR identifies ideal horticulture site on Mars

Wageningen UR identifies ideal horticulture site on Mars

Research scientist Wieger Wamelink and student Line Schug of Wageningen University & Research have been conducting research into finding suitable locations to grow vegetables ...
World seed bank on Spitsbergen

Norway invests 10 million euros in renovating world seed bank

The Norse government is investing over 10 million euros in the renovation of the world seed bank, a bunker on Spitsbergen in which approximately ...
HortiContact Tour 2018 visits Lans Tomaten

HortiContact Tour offers unique peek behind the scenes at Dutch top-class grower...

On Tuesday, 20 February a group of interested parties from all over the globe participated in a tour of various greenhouse horticulture enterprises in ...
Trias Westland drilling platform

Trias Westland hits on virtually impermeable layer of rock

Although the 4km-deep hole drilled by Trias Westland provided a ‘wealth of data’, the extraction of sustainable heat from the Trias layer is not ...
Residual heat for greenhouses in Heerhugowaard

Household waste heats sweet peppers in the Alton greenhouse horticulture area

A household waste disposal company in Alkmaar (HVC Alkmaar) will be supplying the greenhouses of the NH Paprika sweet pepper farm in Heerhugowaard with ...
The Greenhouse Horticulture and Bulbs, Trees and Fruit business units are launching an Evergreen project to carry out research into bulb production

Plant growth promoting rhizobacteria in bulb production

The Greenhouse Horticulture and Bulbs, Trees and Fruit business units are launching an Evergreen project to carry out research into bulb production using fewer ...
Dehumidification trial at van Koppen nursery Dehumidifier boosts yields, cuts disease pressure and saves energy

Dehumidifier boosts yields, cuts disease pressure and saves energy

A giant dehumidifier in cherry tomato grower Robert van Koppen’s greenhouse in Kwintsheul (Westland, the Netherlands) keeps the RH below the critical value of ...
We still know too little about flowering which is sometimes difficult when working with new crops. A lot of research has been carried out

Too little insight about factors that effect flowering

We know much more about photosynthesis than about the flowering of the plant. This sometimes leads to surprises, especially with new crops. The grower ...
A group of experts have now compiled all the available knowledge in this area in a book called “Vegetable grafting: principles and recent practices”.

Book about grafting fruiting vegetables

Levels of production of crops such as tomato and aubergine have increased in recent years with the use of rootstocks. In a number of ...
Dosing smaller amounts more often may improve the root environment, get the water and fertilisers circulating faster and reduce the risk of blockages.

Watering less more often: downsizing on trend in irrigation

The increase in scale that has been taking place over the past ten years calls for a different way of watering. Including on the ...
Grower Rob Olsthoorn of OK Plant deliberately opted for a triple screen for his new greenhouse so as to make it as closed an environment as possible.

OK Plant opts for triple screen to boost quality even further

Next Generation Growing has played a major role in the choices Dutch orchid grower Rob Olsthoorn of OK Plant is making for the new ...
The instrumental model developed by Wageningen University & Research enables flavour to be measured quantitatively, with a good explained variance

Strawberry flavour model ready for use

A good flavour is an opportunity to create added value in strawberries. Flavour is a complex property that involves several factors. The instrumental model ...
In 2004 two families, who each ran a small-scale business in Vienna, decided to set up a new, more professional horticultural business together.

“Quality is our guideline and we are continuously striving for better”

More than ten years ago the Austrian horticultural families Kainz and Mayer decided to join forces and set up a new business. Their aim ...
he radiation monitor displays the realistic effects of greenhouse roofs, screens, lighting and other user settings on temperature distribution in the crop

Radiation monitor improves understanding of plant processes

A new online app quantifies the effect of radiated heat loss on crop temperature and energy loss from the greenhouse in a simple, user-friendly ...
A different growing strategy is a potential key to saving energy. An important part of this is to slow down transpiration.

Slowing down crop transpiration cuts energy consumption

The focus of energy savings usually lies in technology. But the crop itself offers numerous opportunities to economise on energy consumption. Many research results ...
The Precision Horticulture Programme was launched this year. It is a form of horticulture in which plants receive precisely the treatment they need.

Precision Horticulture Programme focuses on plant level

The Precision Horticulture Programme was launched this year. It is a form of horticulture in which plants receive precisely the treatment they need. In ...
Researchers have been working with screen manufacturers to develop an objective method of determining the energy saving performance of screen fabrics.

Energy-saving screens can now be compared objectively

Screen suppliers each have their own methods of determining the energy-saving performance of their screens, making it very hard for the grower to compare ...
Alstroemeria can get off to a good start with higher light levels than are generally used at present.

Hybrid lighting ramps up alstroemeria yields

Hoogenboom Alstroemeria in Nieuwe Wetering in the Netherlands expanded its grow light system last year. In one section of the greenhouse they have installed ...
international growers will have the opportunity to join the HortiContact Tour and see first hand the latest developments in Dutch greenhouses.

Two-day excursion to innovative Dutch greenhouses

The Dutch greenhouse sector is continuously innovating. In addition, the nurseries and research centres are keen to share their knowledge and experiences with growers ...
Limiting light emissions called for creative solution

Combining two vertical fans makes for more even climate

Assimilation lights give off a lot of heat which stays at the top of the greenhouse when you would rather have it down near ...
The Plantalyzer is a innovative tool for accurate estimation of vine tomato crops

Introduction Plantalyzer for harvest forecast vine tomatoes at Fruit Logistica

HortiKey, a subsidiary of Berg Hortimotive, launches the Plantalyzer at Fruit Logistica. This system is a innovative tool for accurate estimation of vine tomato ...
Biochar is a type of charcoal which looks set to become widely available on the market in future. This product could have potential for horticulture

First tentative steps with biochar turn out positive

Biochar is a type of charcoal which looks set to become widely available on the market in future. This product could have potential for ...
vegetable production company Agrícola Zarattini grows peppers, tomatoes, broccoli, asparagus and strawberries, predominantly for export markets.

‘We are committed to high standards of quality, food safety and sustainability’

Founded in 1971, Mexican vegetable grower Agrícola Zarattini is a family business that produces peppers, tomatoes, broccoli, asparagus and strawberries. Having started out with ...
An uptake analysis gives growers an accurate picture of which elements the plant is actually taking up, enabling them to fine tune the nutrient solution

Nutrient deficiency in peppers despite perfect drainage values

When several of the sweet pepper plants at Zwingrow in Honselersdijk (Westland, the Netherlands) were found to be growing more slowly than the rest, ...
Erwinia is a bacterial disease that can cause damage in a range of crops.

Erwinia

Erwinia is a bacterial disease that can cause damage in a range of crops. It often produces watery looking, rotten patches on the leaves, ...
A tomato grower is the first to gain experience with an anti-condensation coating for glass.

First grower sheds more light on anti-condensation coating

In the past, greenhouse roof light transmittance has always been measured when the roof was dry. But a greenhouse roof spends half the year ...
Ter Laak Orchids International Grower of the Year 2018

Ter Laak Orchids elected International Grower of the Year 2018

Ter Laak Orchids has been elected International Grower of the Year 2018! The prestigious award was presented by the International Association of Horticultural Producers ...