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Large facility of boat orchids built in Yunnan, China

Potted Cymbidium orchids, commonly known as boat orchids, are one of the main flowers sold each year during the Spring Festival in China. In recent years, with the continuous development of domestic potted and fresh-cut Cymbidium, Cymbidium products have had more opportunities to enter the market of…

15 calculators to help you grow

The Greenhouse Growers Toolbox App, developed by Graeme Smith Consulting, is a suite of 15 calculators. The company is pleased to advise of an update to their Greenhouse Growers Toolbox App that is now available in both IOS and Android versions. "This updated app is intended to be an industry resource to meet the needs of…

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Study on postharvest vase life of gerbera under different chemical treatments

An experiment was conducted at National Horticulture Research Centre from 15th December 2020 to 29th December 2020 to find the best concentration of citric acid and salicylic acid each of 200 ppm with 3% sucrose that enhances and prolongs the flower quality and longevity. The experiment was laid out in a…

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Adult plant resistance to white rust in Lunaria annua

Wild plants produce abundant seeds and seedlings, but most die before reaching maturity, and these premature deaths are often caused by pathogens. Major genes for resistance protect some seedlings or juveniles. These selected individuals can become a resistant, mature cohort. Alternatively, plants can…

Dümmen Orange’s Sweet Mum Garden attracts over 300 visitors

More than 300 chrysanthemum professionals visited Sweet Mum Garden, Dümmen Orange’s Open House in Antioquia, Colombia. The whole event was a great experience for growers, wholesalers and floral designers, who could take a look at the most amazing varieties of cut chrysanthemum, like Lamira, Maddie,…

Hyperspectral imaging for high-throughput vitality monitoring in ornamental plant production

Ornamental heather (Calluna vulgaris) production is characterized by high risks such as occurrence of fungal diseases and plant losses. Given the general absence of formal research on this economically important production system, farmers depend on their own approaches to assess plant vitality. This…

University horticulture department hosting virtual lecture series

Oklahoma State University’s Department of Horticulture and Landscape Architecture is hosting the virtual H. Grant Vest Family Endowment Lecture on Sept. 21. Keynote speaker is author Joseph Tychonievich, who will present “How Genetic Engineering Works: Understanding the Science, Not the Controversy.” He…

Bringing flowers to the classroom to teach math

Ascension Episcopal School math teacher Lauren Daly often hears "When will we ever use this?" from students, so she brought in a local florist to help answer the question.  Carrie Leonard, a licensed florist, and owner of Posh Bouquet, talked with Daly's seventh-graders about the best ratio of plant food to…

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Growth, flowering, and bulb production of tuberose influenced by NPK-combinations

An experiment was carried out at Research Farm, Narendra Deva University of Agriculture & Technology, Kumarganj, Faizabad during the year 1998-99. The effect of 18 treatment combinations with three levels each of N (10g, 20g, and 30g/m 2), three levels of P2O5 (10g, 20g, and 30g/m 2), and two levels of K…

Two branches of plant immune response closely linked

Like animals, plants need to be on a constant lookout to recognize and respond to invasion by microbes. Plant immunity consists of two branches – the initial defense begins with the detection of invaders by receptors at the cell surface, while a second alarm pathway is triggered by receptors within the…

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Ireland: Minister announces €810,000 funding for community gardens, outdoor spaces

Minister for Rural and Community Development, Heather Humphreys TD, today announced €810,000 in funding to support 25 projects under the 2021 CLÁR Programme. The funding will support local groups in developing community and sensory gardens, outdoor spaces, and allotments. In practical terms, communities…

New guide to pests, problems and identification of ornamental shrubs available

Montana State University Extension has a new, free, color booklet available about identifying and managing pests and problems in ornamental trees and shrubs in Montana. The…

How to grow poinsettias in a warming climate

Heat delay of poinsettia flowering is of growing concern across the U.S. as climate change has caused fall weather patterns to be less predictable and many regions of the country are experiencing higher average temperatures. A few extra degrees of heat at the wrong time can easily cause a one to two-week…

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Phenotyping hydrangea cultivars under different shading regimes

Hortensias (Hydrangea macrophylla L.) are well known as ornamental plants with their impressive flowers. Besides being an ornamental plant, some hortensia species contain constituents of nutritional and pharmaceutical interest. In this context, H. macrophylla subsp. serrata contains dihydroisocoumarins…

Overview of the importance and scope of Good Agricultural Practices (GAP) for flower crops

Good Agricultural Practices (GAP) is a code of crop production practices that ensure sustainable production of flower crops, that are environment friendly, economically viable, socially acceptable and complies with the legal standards. The set of prescribed practices must address efficient resource…

The flower clock: How a small protein helps flowers to develop right and on time

How flowers form properly within a limited time frame has been a mystery, at least until now. Researchers from Japan and China have discovered how a multi-tasking protein helps flowers to develop as expected. In a study published in Proceedings of the National Academy of Sciences U.S.A., researchers from…

Indian rose growers seeking to improve on quality

Improving quality is top of mind for a select group of Indian rose producers seeking to export their products to foreign countries. A new study looking for the optimal levels of fertigation, growth regulators and their interaction effects under polyhouse condition is hoping to provide them with recipes…

Understanding how temperatures within plants affect their growth

In much the same way as a greenhouse can trap the sun’s energy, many plant shapes and structures are also able to capture solar energy. Air temperatures inside open bowl or parabolic-shaped flowers, for instance, such as poppy, buttercup or anemone can be several degrees higher than the ambient air…

Do the bumblebees that escape from greenhouses affect indigenous pollinators?

More than two million commercial colonies of bumblebees are used each year worldwide to pollinate nearly 20 types of crops. These bumblebees can represent a risk for wild…

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Improving snapdragon production through high tunnel season extension, transplant timing, cultivar selection

The demand for locally grown, specialty cut flowers is increasing and now includes nontraditional regions for production, such as the U.S. Intermountain West. The objective of this study was to evaluate snapdragon (Antirrhinum majus L.) as a cool season, cut flower crop in northern Utah, where the high…

Scott Ash / Now News Group

US: New varieties make roses easier to grow and many of them were created in Wisconsin

Gardeners might remember the roses their mothers or grandmothers grew that were prone to diseases, had few blooms and had to be tied up in burlap or covered with white plastic-foam cones to survive the winter.Today’s roses are far different.“There are so many beautiful roses out there that will bloom all…

China: Honghe Kaiyuan flower industry benefits farmers

From corn and vegetables to flower planting, the unit income increased from a few hundred yuan to tens of thousands yuan, and from old houses to small western-style houses. In…

Photo by Ottowa Herald

Turner Flowers celebrates 85 years serving Ottawa Community

Two recessions, a world war, and a global pandemic - Ottawa's Turner Flowers has been there through it all. The Turner family has been serving the Ottawa community in one way or another for 85 years, and they don't plan on going anywhere soon.  It all began in 1936 when Ralph Turner started a greenhouse on…

"We are the only Lilac germplasm resource bank in China"

At the time of the "flower season" on the Qinghai-Tibet Plateau, Mrs. Li Yanping came to the clove base in Guide County, Hainan Tibetan Autonomous Prefecture, Qinghai…

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IN: Bahra University plans courses on floriculture

Bahra University is planning to introduce courses on sericulture and floriculture. Revising the academic structure to make it more employable for students, the university has introduced a concept, design, implement and operate (CDIO) formula to produce entrepreneurs. “We introduced the CDIO in the third…

NL: "Excellent summer for Calla breeding"

The Calla is a relatively new flower when it comes to commercial production. Kapiteyn BV has been breeding, researching, propagating and selling this beautiful flower for about 30 years now. The fact that breeding is a long-term process is certainly also true for the Calla. From cross-breeding to a…

Researchers, horticulturists, and volunteers team up for long-term pollinator data

Pollinators are the friends of plants and people. Most flowering plants (~80%) are animal pollinated. Sadly, there is a global trend in pollinator declines, especially under the changing climates. To conserve pollinators, Holden Forests & Gardens has been monitoring pollinators at the arboretum since…

"Computer model of root growth could lead to more eco-friendly cultivation"

The way plant roots grow turns out to be surprisingly well described by a new computer model, which provides a more complete and realistic picture than previous models. The…

How are plants responding around the world?

Climate change is shifting the timing of many seasonal events in our natural world. When do the roses bloom in your garden? When will you see your first hummingbird? When will the fall color peak at the Arboretum? The study of these seasonal events is known as phenology. But, species vary in their…

Sowing flower mixes - playing chess with nature

Sowing flower mixes is trendy. Researchers at the Dutch institute, FLORON, are well aware of that. But, is it always useful? 'Good for the bees' seems to be the cute, sympathetic sentiment responsible for this. However, there are less charming questions. These are about the various mixtures' make up and…

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US (TN): 20-year-old corpse flower 'Rotty Top' finally blooms at greenhouse

A corpse flower finally bloomed on July 29 at the Ecology and Evolutionary Biology Greenhouses at the University of Tennessee. The greenhouse obtained a corpse flower in 1999 from the University of Connecticut. They received the corm, which is the underground stem of the flower. The greenhouse manager…

Casey Kreider/Daily Inter Lake

US (MT): Longtime floriculturist finds delight in dahlias

Martin Rippens believes there’s no experience necessary to grow beautiful dahlias, but it’s been a while since the octogenarian stepped into a novice’s shoes. Rippens, 85, will be heading to the Northwest Montana Fair early Friday morning for the three-day dahlia show, bringing with him fresh-cut flowers…

The Better India

India: advocate switches to jasmine growing amid lockdown

During the COVID-19 lockdown, Mangaluru’s Kirana Devadiga began growing jasmine plants at home. Her passion for gardening has now turned her into an entrepreneur, earning her Rs 85,000 so far. Kiran started growing the Udupi Jasmine, also known as Shankarpura Mallige, during the lockdown in March last…

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Understanding temperature in growing systems

In order to improve temperature control inside of a growing system, we must understand how temperature works inside of a system with plants and the variables involved in determining temperature for our crops. There are different variables that affect the temperature in plants. Some of the most important…

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Influence of Citric acid application on postharvest vase life of Tuberose

The rapid respiration and growth of tuberose inflorescence indicate the importance of temperature management and carbohydrate supply to long vase life. Under normal display conditions, many buds aborted, probably because of carbohydrate stress. Citric acid plays an important role in reducing vascular…

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Study on bokashi, simple superphosphate, and fertigation for the growth and nutrition of orchids

Potted flower production is an important floricultural activity. However, there have been few studies on the fertilization management of orchids. Fertigation with urea and potassium chloride is feasible, but little information is available regarding the interaction of these fertilizers with other sources…

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Can growth and shape of potted plants be controlled with light?

The Greenhouse Horticulture business unit of Wageningen University & Research (WUR) is researching how dynamic light spectra, in combination with temperature and nutrition, can be used to sustainably grow compact and resilient plants. Oreon is supplying its multi-layer fixture Embrace for this multi-year…

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A new sensitive tool for the efficient quantification of plant disease susceptibility

While several biology techniques have undergone significant technical advances that have allowed their high-throughput implementation, assessing the resistance levels of plant varieties to microbial pathogens remains an arduous and time-consuming task. In response to this, Pujara and collaborators took…

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Revealing floral metabolite network in tuberose that underpins scent volatiles synthesis, storage and emission

The role of central carbon metabolism in the synthesis and emission of scent volatiles in tuberose flowers was revealed through measurement of changes in transcripts and metabolites levels. Abstract Tuberose or Agave amica (Medikus) Thiede & Govaerts is a widely cultivated ornamental plant in several…

Four Star’s new 2022 plants & programs guide is available

Four Star Greenhouse's 2022 Plant & Programs digital guide is packed with all the information you'll need for your growing season.  "Anticipating consumer trends can be more art than science for growers and retailers alike,"  says Josh Miller, Four Star's new product development manager. "Offering increased options…

AU: Lavender industry benefits from research

In partnership with AgriFutures Australia, researchers at the La Trobe Institute for Agriculture and Food (LIAF) will investigate how the fragrant crop is grown, marketed and sold, and will conduct industry-wide consultations to inform a comprehensive long-term Research, Development & Extension plan for…

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Study on plant growth promoting Rhizobacteria to improve performance of petunias

The production of greenhouse ornamentals relies on high fertilizer inputs to meet scheduling deadlines and quality standards, but overfertilization has negative environmental impacts. The goals of this study were to identify plant-growth-promoting rhizobacteria (PGPR) that can improve greenhouse…

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Effects of light color on rooting cuttings of Chrysanthemum

A closed system for plant production with artificial light is an innovative method of plant cultivation. The objective of this study was to investigate the effect of light color on rooting cuttings and subsequent growth of chrysanthemum (Chrysanthemum × grandiflorum Ramat./Kitam.) During the experiments,…

Photo courtesy of Ohio State University

Poinsettia production tips: 2021

Now that poinsettias are safely tucked into their prop trays and the threat of Erwinia (Pectobacterium) is almost over, it’s time to think about other poinsettia issues. Root rots, nutritional issues, environmental stress and PGR mistakes can all be costly in this high-value crop. Click here to read on for common pitfalls and…

US (TX): Fluence partners up with GrowGenerations as LED provider

Fluence by OSRAM has partnered with GrowGeneration as GrowGen’s premier LED horticulture lighting provider. With 55 retail and distribution centers, GrowGen carries and sells thousands of products, such as organic nutrients and soils, advanced lighting technology and state-of-the-art hydroponics…

Independent.ie

It's petal to the metal for Irish flower farmers

The Irish flower market continues to be dominated by imported flowers. But things are beginning to move in the other direction, albeit slowly, as alternatives are available. Just ask Maura Sheehy of Ballyroe-based 'Maura's Cottage Flowers'. Maura is one of around 60 members of the Flower Farmers of…

Ultrasonic transmitters secure clean water for growers

For four months now the Dutch tomato grower Frank Dekker from Dekker Glascultures has used ultrasonic transmitters in his basin and silos to improve the quality of his irrigation- and drain water. And to great satisfaction. The USAF ultrasonic transmitters are supplied by Ultramins. "It’s been somewhat…

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Study on biological significance of regulating iron loading during seed development

Iron (Fe) storage in plant seeds is not only necessary for seedling establishment following germination, but also a major source of dietary Fe for human and animal life. Mother plants transport iron into seeds for storage during the fruit-bearing process. However, an excessive amount of iron is toxic to…

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Study on the effect of Trichoderma spp. on the flowering of Begonia × tuberhybrida Voss

The aim of the study was to assess the influence of Trichoderma spp. and different fertilization levels on the flowering and nutritional status of Begonia × tuberhybrida Voss. ‘Picotee Sunburst’ plants. Before planting, the tubers were soaked in water or a mixture of spore of Trichoderma spp. (T. viride…

Annette Chandler, UF/IFAS

US (FL): Biology and management of tasselflower in ornamental crop production

The name tasselflower refers to two similar and closely related species of genus Emilia, Emilia sonchifolia (red tasselflower or lilac tasselflower) and Emilia fosbergii (Florida tasselflower). Both species are very similar in appearance but can be distinguished by small differences in their leaves and…

Effect of screen house modification at flower bud stadia on flower quality of chrysanthemum

Higher temperature and light intensity at the medium upland elevation decrease the number of blooming flowers, flower diameter, and red color flower intensity of Chrysanthemum…

"A ground-breaking digital web-based tool to simplify, optimise plant health programmes on UK nurseries"

To help growers plan ahead and optimise plant health on nurseries year-round, ICL has developed a new Plant Health Planner. "It is a ground-breaking digital web-based tool that is designed to both simplify and optimise plant health programmes on UK nurseries,” explains ICL Technical Area Sales Manager,…

State Horticulture College and Research Institute / ResearchGate

Air-based mechanical stimulation controls plant height of ornamental plants and vegetable crops under greenhouse conditions

Mechanical stimulation to produce stable and high-quality crops under greenhouse conditions is a promising alternative to chemical growth retardants. However, plant tissue damage and the lack of full automatization have been major constraints for large-scale applications. This study demonstrates the…

"The branches have more buds and are really a lot heavier"

Signify will provide grower SenZaro with a higher light level by means of a hybrid installation with the recently introduced Philips GreenPower LED toplighting Force in October. During the previous winter, a 3.36 ha greenhouse was already adapted for the growth of lisianthus, in which the Dutch company…

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Effects of gamma irradiation on phenotypic changes in Vanda Hybrid

The Vanda Orchid is one of the most popular ornamental plants. Orchids have slow growth. One way to overcome this weakness is by using gamma-ray irradiation. This research aimed to study the morphological characters of various radiation doses resulting from the crossing of the Vanda Orchid. This study…

Study on the implementation of fuzzy logic controller for irrigation of rose cultivation

The design and implementation of a fuzzy logic controller (FLC) are presented, offering a solution to improve the irrigation of rose crops. The objective is to reduce water consumption and operative costs, taking advantage of intelligent controllers and environmental characteristics in a specific region.…