World Conference on Horticultural Research - 17-20 June 1998 in Rome, Italy
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Unique Feature of Horticulture in Asia and its global impact

Jung-Myung Lee
Professor, Department of Horticulture, Kyung Hee University, Suwon 449-701,
Republic of Korea

Suwon 449-701,
Republic of Korea


Abstract.

Asia has 60% of the world population and only about 34.5% of the world arable land. However, Asians traditionally consume very large amount of horticultural produce and depend heavily on vegetables for the sources of horticultural food crop. The vegetable production in Asia is highly intensive and multiple and successive cropping are routinely practiced. Concomitant with the rapid economic growth in many east Asian countries, the demands for high-quality horticultural crop have been drastically increased among many Asians and their interest in high-quality products, outstanding cultivars, machinery and equipment, production technology has been sharply increased in recent years. It is therefore believed that establishing and maintaining closer and regular relations among scientists and societies could provide an excellent momentum for promotion of horticulture on a global basis and both the ISHS and the ASHS could play decisive roles for this kind of promotion.



Keywords: Production and consumption, international trade, society members, Korean horticulture,
seeds and germ plasm, intenational association


I. Introduction

It is rather difficult and often impossible to precisely describe the status of horticulture in Asia, especially under the circumstance of undergoing such rapia, especially under the circumstance of undergoing such rapid and abrupt changes in economical and political status during the last decades. The significance of agriculture has always been emphasized with respect to food crops and this trend is especially serious in many developing countries with high population and very limited and poor arable land. Even though horticultural crops can also be regarded as food crops in many countries and circumstances, horticulture also provides different, interesting, and refreshing aspects in human life and environment. Growing horticultural crops should be distinguished from securing the food crops because many horticultural crops are being evaluated in terms of their quality rather than the quantity as in many major field crops. Janick (1994) describes, "Horticulture can be defined as the branch of agriculture concerned with intensively cultivated plants directly used by people for food, for medicinal purposes, or for esthetic gratification". It should be pointed out that the term 'horticulture' is being called as 'Gardening Art' (rather than cultivation of garden in Greek) here in the Orient or in East Asia from ancient times.
The major objectives of this paper are

  1. to describe present status and characteristics of horticulture in Asia in production and international trade,
  2. to compare the present status of horticulture of the world in relation to other crops,
  3. to find out a in relation to other crops,
  4. to find out and analyze problems associated with production and utilization of horticultural crops in Asia,
  5. to search for ways to strengthen horticultural activity in Asia in terms of research and international affairs on global basis, and
  6. to provide future directions for horticultural industry as well as research for the 21st century.


2. Population in Asia and the world

According to FAO statistics (FAO, 1995 and 1996), there are 50 countries in Asia among the 200 countries in the world (Table 1). Total population in Asia is 3.5 billion, which is more than 60% of the total world population of 5.76 billion. Among the population in Asia, 60% of the people are engaged in agriculture so that agriculture is far and away the primary industry in in Asia as well as in the whole world.
Table 2 shows detailed data on some Asian countries with large population. In China, 71.1% of the total population of 1.23 billion (21.4% of the world total) is engaged in agriculture. The percentages of agricultural population in Bangladesh and Vietnam are over 60% and Thailand, India, and Pakistan have agricultural population of 50% or higher. More than 40% of the entire population is engaged in agriculture in Indonesia, Turkey, and Philippines. In contrast, only a few countries have low agriculturn contrast, only a few countries have low agricultural population rate; 5.3% in Japan, 10.7% in Iraq, and 12.8% in Korea (S), thus showing extreme variations in agricultural population in Asia.


3. Total and arable land in Asia and the world

Tables 3 and 4 show the total and arable land areas of the world. Asia has 3.14 billion ha of total land area, which is 23.7% of the world total of 13.38 billion ha. Asia also has 0.47 billion ha of arable land which is 34.5% of the world arable land of 1.36 billion ha. Per capita arable land is Asia is far below the world average of 0.236 ha. North-Central (NC) America and Europe have 0.585 and 0.470 ha, respectively. Arable land area per capita engaged in agriculture is 0.240 ha in Asia which is far below the world average of 0.525 ha, 5.29 ha in NC America, and 4.176 ha in Europe. These data provide the evidence that struggles and perhaps wars for securing food sources would be inevitable for the very existence and maintenance of human life in many parts of Asia. It should also be pointed out that there are great variations in the standards of living depending upon the countries in Asia and the same is true for the rest of the world. There has been a fantastic economic growth in some Asian countries for the last several decades. However, the unbalanced economic towers in some of those countries have been thc towers in some of those countries have been thoroughly shaken up recently and they had to shed all the showy leaves and flowers. Whether they are ready or not, they should now undergo a long, cold winter with naked branches waiting for the spring. However, it is generally accepted that the financial ruin or collapse in some east Asian countries also influences the economy of developed countries such as Japan, Singapore, Taiwan, and perhaps China, and may eventually influence the world economy stability too.


4. Cultivation area of agricultural crops

Cultivation area of agricultural crops is shown in Table 5. Asian people grow and consume rice for the major food crop and thus about 90% of the world rice is produced in Asia. Percent cultivation area of rye and oats is much lower than the world average (6.1 and 6.8% of the world total). Sweet potato is also important crop in Asia. Among the horticultural crops, it is worthwhile to note that vegetables are quite popular among Asian people. The percent share of Asia in world vegetable cultivation area is 66.5%, which may be regarded as extremely high as compared to the world average or to those of other continents. The cultivation area of vegetables in Asia is 2.33 times larger than that of fruits. However, in most other countries, the cultivation area of fruits are considerably larger than vegetables (Lee et al., 1994). This inrger than vegetables (Lee et al., 1994). This indicates that vegetables are the major and most important horticultural crops in Asia not only in cultivation areas but also in other aspects such as life style, environment, economy, industry, research and education as described later in detail
Table 6 shows that per capita production (or consumption) of horticultural crops in some Northeast Asian countries (Lee et al., 1994). It can be easily seen that vegetables are the major horticultural crops in Northeast Asian countries especially in China, Japan, Korea (North), Korea (South), and Taiwan. The ratios of vegetables to fruits are very high in these countries from 1.93 in Taiwan to 5.38 in Korea (S). This preference of vegetables among the Asian people has resulted in similar consequences in general horticultural areas; a large number of industries involved with vegetable seeds and seedlings production, fertilizer and agrochemical production and distribution companies, storage and processing industries, and others. In addition, it is quite natural to find a larger number of research scientists working on vegetables in universities and colleges, governmental and private research institutes, and consequently a large number of research papers being presented at annual meetings of horticultural society and other related academic societies in many Asian countries. Research fund and budget also show similar trenrch fund and budget also show similar trends, in general.
Fermented and partially preserved vegetables are quite popular in Northeast Asian countries such as Japan, China, and Korea. For an example, the history of pickles in Japan is dated back to the pre-historic times, approximately 4,500 years ago. Many vegetables such as radish, Chinese cabbage, cucumber, and eggplant are pickled in many homes in Japan and other countries, but fairly a large amount of pickled vegetables are being traded between China, Thailand, Taiwan, and other nearby Asian countries (Inden et al., 1997).
Kimchi is a traditional fermented vegetable mix originated in Korea but now is being traded all over the world. Kimchi has its unique palatability giving sour, sweet, and carbonated taste. Approximately 300,000 ton of commercial kimchi products was produced by 337 processing factories in Korea in 1996 (Park, 1997) and export of kimchi has been increased drastically since last year. Hot pepper and garlic are vital ingredients for many kinds of kimchi. There are at least 187 different types of kimchi with distinctive recipes (Koo et al., 1991). These unique types of processed vegetables can now be found at any parts of the world from Australia to Canada (Nguyen et al., 1997; Wang, 1997) manufactured in commercial scale.


5. Production of individual horticultural crops

Data on individual horticultural crop is shown in Table 7. Tomato, watermelon, cabbages, onion, and cucumber are 5 major vegetables in Asia and this coincides with the order in world total. Among the vegetables, garlic and eggplants are cultured mainly in Asia (87.3% and 90.3%), but carrot and green pea are not receiving much attention in Asia, as compared to other continents. Fruit data is expressed in production (1,000 ton) rather than cultivation area. Banana, including plantain, is by far the most abundant fruit in the world followed by oranges, grape, and apple. However, in Asia, apple is the first one followed by banana, mango, grape, and orange. There has been a tremendous increase in apple planted acreage in China and this will undoubtedly influence the apple industry in the East Asia and in the world in the near future (FAO, `997, Internet Search, fao.org/default.htm). Except for mango, the percentage is rather low in many fruits. The vegetable cultivation in Asia is indeed very advanced and characterized by the followings.

  1. Various different cultivation types and techniques including numerous cultivars for each type.
  2. Highly intensive cropping and frequent successive cropping in the suburban areas.
  3. Well-advanced seedling growing techniques including grafting different types of herbaceous materials on commercial scale.
  4. Considerable portions of the produces are being processed oe portions of the produces are being processed or preserved in various types.

Vegetable and fruit production acreage in some Asian countries are further shown in Tables 8 and 9. China and India are the leading countries for vegetable production acreage followed by Turkey and Indonesia. However, fruit production acreage is highest in China followed by Turkey, Iran, and Indonesia. As far as production acreage is concerned, Asia has 66% of the world total vegetable production acreage as compared to only 44% of the world fruits production acreage. China has about 50% of the total Asian vegetable production acreage and 43.9% of the total Asian fruit production acreage, thus indicating that the Asian trade of horticultural products can be significantly influenced by only a few countries in Asia or by China alone! During the last 10 years, the protected cultivation acreage is China has been increased 17 times and the per capita consumption of vegetables also was almost doubled from 119.8 kg/year/person to 217.2 kg/year/person (Zhang, 1997). Average yield of vegetables per unit area was also more than doubled during the last 10 years. Introduction of promising, new hybrid cultivars may be responsible for this remarkable increases in yield per unit area. On the contrary, however, the use of hybrid seeds for vegetable production is extremely low in India (Table 10), thus needing urgent attention and introduction of good hybrid cultivars (Agrawal, 1997).
Individual vegetable production statistics are further shown in Table 9. Potatoes are the major vegetable crop in many Asian countries, not as vegetables in many circumstances but as an important food crop. Cauliflower, carrot, and eggplant are being cultivated only in some countries whereas cabbage, tomato, pumpkin, cucumber, onion, and watermelon are being cultivated in most Asian countries. Data base used in this report was mostly obtained from FAO Yearbook or internet FAO (fao.org/default.htm). However, even these data were not quite accurate and sometimes classified in different ways so that true data could not be easily accessible. Table 11 gives the production statistics on peppers. Dried hot peppers are one of the important vegetable crops (or spice) and frequent international trades have been taken during the last 10 years. The data shows that the pepper producing area in India is more than 1.2 million ha. However, the FAO classification is very confusing and expressed inproperly so that more reliable as well as more accurate data should be compiled and available for precise evaluation and comparison of production statistics on a global basis. The data shown in Tablhown in Tables 10 and 11 indicate again that more precise data is needed for possible accurate analysis of present production status and to set up goals for future guide for production and international trade.


6. Public or international organization

The significance and preferences of vegetables among Asian people can be easily proven by the earlier establishment and maintenance of the Asian Vegetable Research and Development Center (AVRDC), an international research center financed by USA, ADB, Taiwan, and other Asian countries. AVRDC is the international research and training organization established in 1970, responsible for improving production and quality of selected vegetables and legume crops in the hot, humid lowland tropics. AVRDC had the following initial objectives (Marlowe, 1989) and the activities are considered to be very fruitful, especially in southeast Asian countries.
1) Conduct research on production and marketing programs to assist participating countries in developing their own adaptive research programs.
2) Carry out training in production and marketing programs and to assist participating countries in developing more efficient training and marketing programs.
3) Develop and provide basic information on improved production and marketing for use in extension services in participating countries.

7. International trade of horticultural products

World trade of some major crops is shown in Tables 12 and 13. Due to the high population and limited arable land area, many Asians are experiencing food scarce and thus depend highly on imported foods from other continents or countries. As shown in Table 12, grains account for more than 50% of the world trade followed by wheat and flour (23%), maize (8-9%), and rice (3%). Among the horticultural crops (Table 13), banana, sometimes including plantains, is ranking number one in total amount of international export followed by oranges (including tangerines and mandarins), apple, potatoes and tomato. Pineapple (canned) is the only item which is mainly exported from Asia and most other horticultural crops are mostly exported from other continents. Asia does not import a large amount of horticultural crops, either. Major importer of horticultural crops is Europe, accounting for 50-80% of the total import for most horticultural crops. Potatoes and tomatoes are the major vegetables being traded worldwide.
Total amounts of export and import in Asian countries and some other countries are shown in Table 14. International trade of fruits and vegetables i. International trade of fruits and vegetables in Asian countries and some other countries of the world can be obtained from FAO Homepage (fao.org/default.htm). Based on the total amount of export excess value, major exporting countries in Asia are Philippines, Israel, Syria, Turkey, and Myanmer, in that order. On the world-wide basis, however, Chile upsurged recently as the largest exporting country followed by Costa Rica, Ecuador, and New Zealand, in that order. The largest importing countries in the world are Canada and Russia, which are located in cold northern hemisphere. The largest importing countries in Asia are Israel, Hong Kong (now in China), Pakistan, Oman, and Philippines, in that order. However, the trade difference (export-import) is largest in Oman, followed by Hong Kong, Bahrain, Qator, and Pakistan. It is interesting to note that many of these importing countries are developing countries rather than developed ones, thus indicating that accumulation of high production technology rather than man-power is vital for producing and exporting "high quality" horticultural products.
Some Asian countries with large population, for example China, India, Indonesia, and Japan (71.7% of total Asian population in these 4 countries), do export and import horticultural products. However, the total amount and the differences between export and import are surprisingly low, thus meaning that production system for self-supply ning that production system for self-supply is well stabilized in these countries. Even though vegetables are very much favored by many Asian people, most of these horticultural products are being traded mostly among nearby countries with the exception of some fruits and ornamental plants. For example, Korea (S) imported a large amount of fresh and processed vegetables from China (Lee, 1994) and the amounts have been increasing steadily (FAO, 1996, 1998; Lee et al., 1994). On the contrary, Korea (S) exports considerable amount of fresh and processed vegetables such as pine mushroom, kimchi, dried mushroom, onion, and cucumber exclusively to Japan (FAO, 1998 Internet). Kimchi, which symbolizes the Korean traditional eating preferences because of its unique delicate flavor and taste, is exported to all over the world, sometimes even under wrong name of 'Kimuchi', and now officially regarded as the well-known delicacies of the world and in every Olympic Games! In spite of the large amount of horticultural products, the amount of international trade has never been impressive until recently. The bulk of horticultural crops compared to cereals or grains may be partially responsible for this. The maintenance of freshness in fresh vegetables and fruits would be possible only for short-distance transport. The dissimilarity in crops is another reason for this trend of international trade.
Furthermore, following regions or so called free trade following regions or so called free trade agreements (or areas) all over the world tended to aggravate the local trade tendency in some way or another. These are ASEAN (Association of South East Asian Nations, 9 countries), NAFTA (North American Free Trade Agreement, 3 countries), CERTA (Close Economic Relation Trade Agreement, 2 countries), EU (European Union, 15 countries), LAIA (Latin American Integration Association, 9 countries), and many more agreements or areas such as Asian Pacific Region (APEC), East African Community, etc. The role and significance of ASEAN and AFTA(ASEAN Free Trade Area) have been drastically increasing until recently. However, financial crisis or ruin in some Asian countries such as Indonesia, Thailand, and Korea will greatly influence the ASEAN activities at least for 5-10 years. The role of OECD and APEC will be emphasized with relation to economies in Asian countries especially with the launching of WTO (World Trade Organization).


8. Professional workers engaged in Horticultural research and their activity

Horticultural activities such as research, education, production, and industries are depending critically upon the number of horticulturists and specialists. In a given country, the number of registered members in any international horticultural society could be a good indication for the measure of global horticultural activities. more detailed information on paid-upl activities. more detailed information on paid-up membership can be obtained from both ISHS and ASHS. A more detailed study on researchers active in the field of horticulture will be avilable from ISHS within the coming year, under the new publication HRI (Horticultural Research International) directory.


9. Expanding horticultural research and industry in Korea (case study)

The Republic of Korea is probably one of the very few countries in the world with huge annual increases in governmental as well as Research foundation fund for horticultural research. The importance of horticultural products has been recognized in various different ways. For example, the percent share of the total amount of horticultural produce in all agricultural produces (including livestock and forest products) in 1995 was increased up to 24.4% for vegetables and 11.3% for fruit. These values clearly indicate the importance of horticulture and horticultural industry. Similar trends have been maintained for last 5 years. The activity of the Korean Society for Horticultural Science (KSHS) members can be clearly confirmed by the number of registered KSHS members (+1,500), number of registered ASHS members and ISHS members, number of papers presented at the annual meeting of the KSHS (Table 15 and 16), and the occupation of authors delivering the papers at the meeting (Table 17). At the spring and fall meetings, several well-known scientists or horticulturists have been officially invited from other countries for special lectures. The KSHS also held several ISHS international symposia for the last few years and plans to host several more symposia in the next few years; on peppers, postharvest, and use of bioregulators in fruits, etc. At the last ISHS international symposium on vegetable quality which was held in Seoul, Korea from October 27 to 30, 1997, we had 120 participants from 23 countries. Acta containing about 55 papers will be published in July this year (before the 1998 IHC in Belgium). The KSHS plans to celebrate its centennial anniversary of the official launching of modern horticultural research in Korea. The Agricultural Demonstration Station was established in 1906 in Suwon and, after several changes of its official name, has now become the Rural Development Administration (RDA) of the Korean Government, the center for agricultural and horticultural researches in Korea.
The RDA now has National Horticultural Research Institute, Horticultural Sections in 3 Agricultural Experiment Stations, 9 Provincial RDAs, and 23 Commodity Experiment Stations mandated with horticultural crops. In addition to about 40 universities and colleges which have the department of horticulture, there are many private research institut, there are many private research institutes including 42 seed companies. Considering the total population of 45 million and only about 10% agricultural population (as of Dec 1997), the figures are rather too high as compared to most other developed countries. The export of horticultural produce is not impressive either except for some crops. For example, more than 70% of the grafted cacti being auctioned at Netherlands flower markets are exported from Korea. Korea also exports lilies and roses to Japan. Detailed data will be presented at the conference. Unfortunately, import has always well exceeded export as far as floricultural crops are concerned. With the booming of horticulture in Korea, the KSHS is very anxious to have the chance to become the host country for the 2006 IHC here in Korea rather than continual every other host in European countries.


10. Role of seed companies and handling of germ plasm

Since vegetables are the major horticultural crops in Asia, considerable efforts have been focused on vegetable breeding and a large amount of vegetable seeds are being exported to Western countries. Brassica crops (cabbage, Chinese cabbage, broccoli and cauliflower) and radishes are some of the vegetables for export from Asia. Some seed companies in Japan, Korea (S), and perhaps Taiwan have been operating overseas companies or branch stations in other countries including the USA and also exporting contries including the USA and also exporting considerable amount of seeds. However, we expect some significant changes in seed industry because multinational seed companies such as Novatis and others began to operate official business in some Asian countries with their good seeds, advanced seed processing and cultivar identification technology in addition to the modern purity test methods.


11. Conclusions

With the rapid expansion of globalization under the influence of WTO, the world market for agricultural and horticultural produces has been increasing very rapidly and this, along with the introduction of noble cultivars with accurate identity so that the breeding efforts can be protected by the UPOV. However, such a rapid change does not likely take place due possibly to the very conservative attitude of Asian people, especially in their diet habit. In addition to good seeds of excellent traits, gradual and persuasive approaches are thought to be vital for the successful operation and maintenance of branch companies and persistent sales and distribution of seeds and other propagation materials. In spite of the sudden recent break on economic growth in some Asian countries, the role and significance of Asian horticulture will be persistently increased in the future, particularly in breeding, production, and utilization of horticultural products, especially of the vegetables. Horticulture in Asia will be of the vegetables. Horticulture in Asia will be continuing its steady progress and exerts significant role in world horticulture based on the following fact.

  1. Asia has endless list of excellent germ plasm for various horticultural crops, especially for cruciferous crops including Brassicas, legumes, and native herbs (Zhu et al., 1997).
  2. The number of Asians living in other continents of the world has been increasing drastically in recent years and it is more likely that they will certainly maintain their conservative palate (Kim et al., 1997; Sakiyama, 1997).
  3. There are good markets developed, especially for processed horticultural products because of the recent economic growth in some Asian countries.
  4. The preferences for vegetables and very intensive and labor-dependent culture will be maintained in most Asian countries.


Literature Cited

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