What is pomology?

What is Pomology?

Pomology is a branch of horticulture which focuses on the cultivation, production, harvest, and storage of fruit, especially tree fruits. Fruit orchards can be found all over the world, and tree fruits are a major industry in many countries, making pomology especially vital. Pomologists can work in the industry, or for research facilities at universities and other organizations.

The word “pomology” comes from the Latin word for “apple,” but pomology is about a lot more than just apples. Any number of fruit trees can be included in a survey of pomology, like apricots, pears, plums, peaches, cherries, nectarines, and avocados. Pomologists also research tree nuts like almonds, walnuts, and pecans, among others.

One of the most critical aspects of pomology is the development of new fruit cultivars. A pomologist can cross-breed various fruit cultivars for specifically desired traits, such as flavor, hardiness, or disease-resistance. Pomology has contributed a number of exotic and interesting fruit cultivars to the world, such as the pluot, a cross between a plum and an apricot. If a pomologist can breed a distinctive and entirely new cultivar, he or she stands to profit significantly from the resulting patents.

Pomologists also look at the best way to grow trees, determining which regions trees grow in, and the amounts of water and fertilizer preferred by different cultivars. In addition, they study pests which attack fruit trees, and address issues of regional concern, like droughts or seasonal flooding.

Thinking about growing a fruit tree on your property? We think it’s a great idea! Fruit trees are beautiful and will provide you with shade, clean air, a home for beneficial wildlife, not to mention a renewable source of fruit for years to come! Fruits, of course, are an amazing source of vitamins and nutrition for you and your family and are a delicious way to stay healthy all year long. You get to decide what fruits you want to grow; delicious apples, juicy oranges, or tangy lemons are just some of the options that are available to you. Growing a fruit tree can be a real challenge for someone who isn’t an experienced arborist, however. Cultivating fruit is an art and science unto itself. Actually, the science of growing fruit has a name: Pomology.

What is Pomology?

Simply put, Pomology is the science of growing fruit. It has a very long history in the United States; horticulturists working for the USDA first established a pomology division way back in 1886. The practice of growing fruit trees in America starts long before that, however. To look all the way to the origin, we have to go way back to 1493, when Christopher Columbus himself planted orange, lemon, lime and pummelo trees on the island of Haiti. Over the centuries, the fruit tree never lost its popularity in America. The colonists of Plymouth, Massachusetts grew peach trees. In an effort to avoid scurvy, sailors planted oranges along trade routes. While they didn’t know what Vitamin C was at the time, they did know that the fruits were helpful in preventing the wasting disease. In the Spanish territories, colonists grew fig trees, apricots, and pecans. Fruit trees are so popular in America that they’ve even entered our cultural myths and legends. Everyone knows the story of Johnny Appleseed, and while the famous story of George Washington chopping down the cherry tree isn’t really true, it does show how established fruit trees are in our national culture.

The Science of Growing Fruit

Needless to say, nothing about growing trees is easy and fruit trees, in particular, require a good bit of knowledge and effort to cultivate. While people have been growing fruit for a very, very long time, our knowledge of how to do so has only improved over the centuries.

Modern technology, including genetic engineering, has allowed us to create trees that are resistant to weather and disease and provide fruits that are ever more delicious and nutritious. Mankind’s history of cultivating fruit to produce the features we want goes back hundreds of years.

Other methods

One method of producing fruit is called grafting. Grafting is a technique where the tissues of plants are connected to one another so that they will grow together. It is very commonly used for modern commercial plants; most of the apples you buy in the supermarket are created this way. Grafting is also used for growing residential fruit trees; the cultivars can be attached to a strong root system in order to facilitate their growth in a particular environment. The branches that bear specific fruit can also be grafted onto other trees; in this way, you can cultivate the fruits you desire for your home. This method works best with young, healthy trees, although it can work with older trees as well.

Any trees that have been grafted have to be properly cared for since they can easily become sick or diseased. It will take a while after grafting the branches for the tree to return to full health. If you are interested in this process regarding your trees, contact your local tree service for more information.

Hybrid fruits

Before the advent of technologies such as grafting or other forms of genetic engineering, you could attempt to produce the fruits you wanted through careful selective breeding. For example, what we think of as limes today are actually hybrid fruits themselves, having been bred by crossing citrons with mandarin oranges. The bananas that you get at the supermarket have also been carefully bred; the sweet yellow bananas that we have today have only been around since the 1830s. They are descended from a tough green plantain that was suitable only for cooking and not for eating fresh. Most of your favorite fruits have been carefully bred over centuries to produce the foods we know and love today. Fruit trees are bred not just for the quality of the fruit they produce, but also to resist disease and pests and to survive harsh weather conditions.

Growing your own fruit trees

The science of pomology has taken centuries to perfect, but you can make use of its benefits yourself. If you are interested in growing fruit trees on your property, first consider what types of fruits you’d like to cultivate. The options you have available to you will depend a bit on your local environment. Factors such as climate, soil, and access to water will all play a role in how well your fruit trees will grow and bear fruit.

In Portland, Oregon, the climate is damp and rainy and certain trees will thrive under those conditions. For example, apples, cherries, figs, and plums are all great for growing in the Portland weather. Whichever trees you decide to grow, you will need to do a bit of planning. Check with your nearest nursery and your local tree service for help with this part of the process.

Young trees will need to be cared for and regularly watered each week. As they grow older and stronger, they will require less maintenance, however, they will still need to be occasionally inspected for disease, pest infestations, and to ensure they are receiving proper nutrition. Just as people need regular check-ups at the doctor, fruit trees need regular inspections from a local arborist to ensure they are in good health. With proper care, your fruit trees should provide you with delicious, healthy fruits for years to come!

Tagged as: caring for fruit trees, fruit trees, pomology

Pomology

Potential for Collaborative Links to Other Units to Develop Clusters of Excellence

Departmental programs are interdisciplinary and strong links exist with numerous other college programs. Postharvest biology is a well-known cluster of excellence and a larger role in the campus genomics cluster is envisioned.

Positions Needed to Improve Research, Teaching and Extension Goals

  1. Functional genomics/molecular genetic approaches for improved flavor and nutritional quality of pomological crops: This position would build expertise in tree crop genomics.
  2. Fruit biochemistry, proteomics/multidimensional protein analysis, cellular signal transduction: This position will rebuild the biochemical research capacity of the internationally recognized postharvest biology group.
  3. Computational biology/informatics/crop computer simulation: Use of computational analysis/ graphics, bioinfomatics and organismal/crop biology to develop functional plant computer simulation models for teaching, applied research and orchard management.
  4. Precision horticulture and sustainable horticultural systems: Use of advanced informational system technology to develop precision orchard management systems.
  5. Rhizosphere biology of perennial fruit crops: Would link organismal biology to campus strengths in environmental biology and advance sustainable production technologies.

Priorities (No Growth Scenario)

Position 1 is the top priority and has been requested as a replacement position for the retirement of the individual holding the Will Lester Endowed Chair. We have one additional retirement projected by 2006 (age 65 criterion). That position provides expertise in postharvest physiology, bridging between the fundamental and the applied research activities and has responsibility for teaching several fruit physiology courses. It will be essential to replace it to sustain effectiveness of the postharvest program.

Priorities (Minimal Growth Scenario)

Position 2 would have the highest priority and provide opportunities to take advantage of campus initiatives in genomics as well as existing strengths in organismal biology. The position would also support increasing teaching demands in biotechnology and biochemistry.

Projected Resource Needs and Strategies for Achieving

The greatest needs are for increased quality of facilities (laboratory, greenhouse, field) and mechanisms to stabilize funding for graduate students. Piecemeal facility upgrades have been achieved through creative means but comprehensive improvements are necessary. The department has attracted endowments for three graduate fellowships and continues to explore opportunities for more development funds.

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