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Compendium Of Herbicide Adjuvants, 2016 Edition
This is a joint publication of Purdue Extension and Southern Illinois University. This is the 13th edition of the biennial publication, which was previously published by Southern Illinois. This edition contains 780 en...
Protecting Pollinators: Tips for Commercial Agricultural Pesticide Applicators
While agricultural pesticide applicators may not be able to control factors like habitat loss, they can take practical steps to help protect the pollinators so many in the agricultural industry rely upon. This publica...
Guide to Production Information for Commercial Floriculture Growers
This publication provides a reference list of informative publications for experienced and new commercial producers of floricultural crops, with accompanying descriptions. ...
Starting in the Nursery Business
This publication discusses starting in the nursery business, including what you'll need, developing a nursery business plan, selecting a specific nursery site, nursery design and space requirements, and labor and capit...
Guide to Information for Starting in the Nursery Business
This is a reference list of informative publications which can provide answers to many of the questions which arise when considering a new nursery business. ...
List of Assistance and Regulatory Agencies for Starting in the Nursery Business
This publication is a listing of Federal and Indiana state government agencies that regulate various activities involved in operating a landscape plant nursery. ...
Guide to Production Information for the Commercial Nursery Crop Grower
This publication is a reference list of informative publications which can provide answers and guidance to the commercial nursery grower on topics from propagation to pest management. ...
In late summer, the outside branches of many of the more commonly planted deciduous trees can become covered with webs produced by fall webworm caterpillars. When unchecked by the wide variety of insects and birds that ...
Produccion Comercial de Flores en Invernadero: Propagacion de Poinsettias (Flores de Pascua)
La propagacion exitosa de poinsettias (flores de pascua o nochebuena) empieza con una alta calidad de los esquejes y un ambiente ideal para el desarrollo radicular. Esta publicacion describe cuales son las condiciones op...
Commercial Greenhouse Production: Disease-resistant Annual and Perennial Production
One of the best ways to prevent serious plant disease outbreaks in the greenhouse, nursery, or landscape is to grow plants with demonstrated disease resistance. This publication describes disease resistance in plants, pr...
Commercial Greenhouse Production: Measuring Daily Light Integral in a Greenhouse
In commercial greenhouses, several strategies can be used to help properly manage light levels throughout the day and seasonally. This publication examines the characteristics of greenhouse lighting and describes one man...
Commercial Greenhouse Production: pH and Electrical Conductivity Measurements in Soilless Substrates
Monitoring the pH and electrical conductivity (EC) of growing substrates is a way to correct issues before they become problems that damage crops. This publication recommends best practices for establishing a pH and EC t...
Commercial Greenhouse and Nursery Production: Alkalinity Management in Soilless Substrates
Growers often do not have a clear understanding of the underlying causes behind increased substrate pH—water alkalinity, rather than water pH, is typically the source of the problem. This publication helps growers ...
El monitoreo del pH y la conductividad eléctrica (CE) de medios de crecimiento nos da la habilidad de corregir este tipo de inconvenientes antes de que se conviertan en problemas que pudieran perjudicar a los cultiv...
En la producción comercial bajo invernadero varias estrategias pueden emplearse para manejar de manera adecuada los niveles de luz a lo largo del día y según las temporadas del año. Esta publicaci...
The U.S. Department of Agriculture National Agriculture Statistics Service (USDA-NASS) released the 2007 Census of Agriculture on February 4, 2009. State and federal policy makers, researchers, extension personnel, growe...
Productores de invernaderos y viveros muchas veces asumen que la presencia de hojas amarillas o pálidas son signos de deficiencias nutricionales. A veces, sin embargo, el problema se debe a la ausencia de nutrientes...
Measuring Daily Light Integral (DLI)
This brochure provides basic information about measuring Daily Light Integrals (DLI) in greenhouses, including DLI requirements for certain crops.
Commercial Greenhouse and Nursery Production: Controlling Algae in Irrigation Ponds
Because water is so essential, commercial greenhouse and nursery operations need to maintain water supplies of sufficient quantity and quality to produce plant material profitably. This publication is not a comprehensive...
Commercial Greenhouse Production: Applying Plant Growth Retardants for Height Control
Controlling plant size is one of the most important aspects of greenhouse crop production. An alternative, effective strategy for controlling plant height is to use chemical plant growth retardants (PGRs). The goals of t...
The author uses this blog in conjunction with a class as a forum for exploring all subjects touching upon insects and arthropods. Comments are encouraged, but moderated, to encourage a thoughtful community. The author, J...
Disease Management Strategies for Horticultural Crops: Pythium Root Rot of Herbaceous Plants
Several species of Pythium attack plant roots, and cause cutting rots, stem rots, and foliar blight under the right conditions. These pathogens are a significant problem in the greenhouse and nursery industries....
Applying Plant Growth Retardants Pocket Reference
This brochure is a general reference to help greenhouse producers make basic decisions about applying plant growth retardants (PGRs) in greenhouse settings. The full version of this publication, Commercial Greenhouse and...
Dado que el agua es un elemento esencial, invernaderos comerciales y operaciones de viveros necesitan mantener el abastecimiento de agua en cantidad y calidad suficiente para producir plantas de manera rentable. Esta pub...
Commercial Greenhouse and Nursery Production: Poinsettia Propagation
Successful poinsettia propagation begins with high-quality cuttings and an ideal rooting environment. This publication describes optimal greenhouse conditions and management practices for improving propagation success an...
Commercial Greenhouse and Nursery Production: Flower Induction of Annuals
If annual bedding plants have even just a few flowers, customers get an idea of what the plant looks like in full bloom, which can increase impulse purchases. However, to be able to deliver to retailers annual bedding pl...
Commercial Greenhouse and Nursery Production: Sanitation for Disease and Pest Management
Greenhouse growers are often concerned about the costs of managing pests and pathogens. Proper greenhouse sanitation is a key component in reducing those costs and improving plant quality. This publication discusses gene...
Weed Competition Control in Hardwood Plantations
A publication for landowners with wooded areas. Covers weed control strategies and related issues....
Driftwatch: Watch Out for Grapes
Pesticide drift can severely damage non-target crops. This Driftwatch publication addresses drift in grapes. It examines products of special concern, injury symptoms and potential impact, and alternatives and ways to avo...
Financial and Tax Aspects of Tree Planting
This publication helps hardwood producers understand the tax and financial advantages (and disadvantages) related to their planting operations....
Commercial Greenhouse and Nursery Production: Water-soluble and Controlled-release Fertilization
Because the substrates used in commercial greenhouses do not contain soil, they lack many of the nutrients in sufficient quantity to maximize plant growth and development. This publication examines the basics of greenhou...
Commercial Greenhouse and Nursery Production: Soil pH
Plants obtain nearly all their nutrients from the soil, but not all the nutrients present in the soil are accessible to plants. That's because soil pH affects the form and, therefore, solubility of nutrients. This public...
Commercial Greenhouse and Nursery Production: Lowering Soil pH for Horticulture Crops
Soil pH is important because it affects the availability of nutrients a plant needs to grow and thrive. This publication explains when lowering soil pH is important for commercial producers and recommends practices to sa...
Commercial Greenhouse and Nursery Production: Managing Photoperiod in the Greenhouse
In greenhouse and nursery production, photoperiod can influence many aspects of plant growth and development including dormancy, storage organ formation, and (most importantly for many greenhouse producers) flowering. Th...
Commercial Greenhouse and Nursery Production: Alternative Options for Invasive Landscape Plants
This publication lists potential alternatives to some of the most notorious and damaging invasive plants commonly used in Indiana landscapes. Unlike other resources, this list includes both native and non-native species....
Commercial Greenhouse and Nursery Production: Evaluating Container Substrates and Their Components
One of the most important cultural considerations and investments you can make when you want to produce a successful greenhouse or nursery crop is to select the best substrate components or pre-formulated substrates (als...
Tree Diseases: White Pine Decline in Indiana
White pine trees are a common component of Midwest landscapes. Sometimes, these trees die unexpectedly and rapidly, seemingly without a specific cause. This unpredictable problem is called white pine decline. The publ...
This publication describes the importance of measuring plant light use, and then describes a study that offers some promise of ...
Tree Diseases: Oak Wilt in Indiana
This publication describes the symptoms of oak wilt disease, its cause, and management options that are available.
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This publication aims to provide information to growers about estimating the costs and benefits when they use supplemental lighting.
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Pages: 4
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This publication summarizes how much additional fertilizer a crop needs under sub-irrigation when the growing medium contains...
This publication will help you accurately perform the pour-through technique for measuring substrate electrical conductivity (EC).
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Pages: 3
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This publication explains the details of substrate electrical conductivity (EC) for greenhouse growers.
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This publication details substrate characteristic s and provides research-based information about them as a reference to guide growers.
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This publication examines how fungicides are classified and recommends management practices particular to pome fruit that can prevent fungi from developing resistance to these products.
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This publication examines how fungicides are classified and recommends management practices to prevent fungi from developing resistance to these products.
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This publication describes fungicide mobility, which is the how fungicides move after they are applied to plants.
Format: PDF
Pages: 3
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Consumer Horticulture: Collecting Soil Samples for Testing
A soil test will reveal the current nutrient status in your soils and whether you need to add any nutrients as fertilizer. This publication describes the best practices for when and how to sample your soils.
...U.S. Landscape Firms Surveys: Business Practices of Landscape Firms
This publication provides information about the product mix, advertising, marketing, and other business practices of U.S. landscape firms and compares them by their business diversification strategies (landscape only;...
This publication is a resource for those who are considering high tunnel production or are relative beginners. This resource describes: selecting the right size and type of high tunnel for your operation, choosing a s...
Slowing Growth of Ornamentals for Holding Plants in Greenhouses
In this publication, a Purdue University researcher discusses ways to slow plant growth - a major concern for greenhouse owners during the COVID-19 pandemic. Sales are down but ornamental plants continue to grow. It's im...
Early-flowering varieties of petunia may have different fertilizer needs than late-flowering varieties. However, fertilizer recommendations are usually not variety-specific. This fact sheet provides information on the op...
Root problems in plants are frequently under- and misdiagnosed. Sometimes it's too late to save the plant. This publication, part of the Plant Pathology in the Landscape series, discusses predisposing factors, diagnosis,...
Apple Scab of Flowering Crabapples
Flowering crabapples are susceptible to several diseases that result in yellow leaves and defoliation by early summer. Apple scab is one such disease. ...
Effects of Cold Weather on Horticultural Plants in Indiana
Cold weather can injure fruit and vegetable crops, and ornamental plants, in fall, winter, and spring. This updated publication identifies types of injury, factors that influence the degree of injury, and steps that can ...