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COUNTRY REPORT ON THE STATE OF PLANT GENETIC RESOURCES FOR FOOD AND AGRICULTURE<br />

The country is part of the center of diversity for Colocasia and Dioscorea. There are five species of Dioscorea found in the<br />

country, namely D. alata, D. bulbifera, D. esculenta, D. hispida and D. pentaphylla. There are 143 accessions of D. alata and<br />

172 accessions of Dioscorea spp. found in three ex situ collections in the country. Except for D. alata, these species are<br />

generally not widely cultivated and utilized and are threatened with genetic erosion. This threat has been attributed to<br />

acculturation, industrialization and deforestation. Among the many uses of root crops that offer potential for exploitation<br />

are traditional snack foods.<br />

Other underutilized ariods include Xanthosoma sagittifolia, Cyrtosperma chamissonis, Alocasia sp., Amorphophallus<br />

pinnata, Maranta arundinacea and Pachyrrhizus erosus. These species are either grown in home gardens or exist as natural<br />

stands. Some of them have commercial uses, e.g. native cookies (Maranta) and delicacies (Xanthosoma, Alocasia).<br />

Other vegetables and food legumes<br />

Statistics on agriculture in the <strong>Philippines</strong> released by the Bureau of Agricultural Statistics (BAS) lists the following<br />

vegetables and legumes classified as minor: asparagus, broccoli, carrots, cauliflower, ginger, gourd, common (field) bean,<br />

lettuce, okra, Chinese cabbage and pakchoi. In 2004, a total of 36 354 hectares were devoted to these crops, with a<br />

volume of production amounting to 351 304 metric tons.<br />

Minor vegetables in the <strong>Philippines</strong> grow or are grown in the following types of production systems:<br />

Vegetables gathered as weeds or wild plants<br />

The practice of gathering vegetables from the natural vegetation is still important in the rural areas. With increasing<br />

urbanization, these vegetables will forever be lost in the Filipino food basket. Some examples are Marsilea, Amaranthus,<br />

Broussonetia, Ficus pseudopalma, Portulaca oleracea and the edible ferns.<br />

Vegetables grown in home gardens<br />

A large proportion of production of the home-consumed vegetables is through this production system. Such a system<br />

guarantees its conservation. Notable examples are Lablab purpureus, Phaseolus lunatus, Clitoria ternatea, Mucuna curranii,<br />

Allium tuberosum, Hibiscus sabdariffa, Moringa oleifera and Psophocarpus tetragonolobus.<br />

Vegetables grown in comparatively large areas, generally in monoculture<br />

The production of major traditional vegetables aimed at markets is through this system, usually after rice or corn or<br />

in coconut-based farming systems. Momordica charantia, Lagenaria siceraria, Cucurbita moschata, Luffa spp., Vigna<br />

unguiculata ssp. sesquipedalis, Brassica juncea, Brassica rapa (= Brassica chinensis), and Ipomoea aquatica are notable<br />

examples.<br />

The <strong>Philippines</strong> is known to be rich in indigenous and locally adapted species utilized as vegetables. However, these<br />

species are being gradually replaced by new cultivated species, and newly introduced hybrid varieties.<br />

In the <strong>Philippines</strong>, farmers plant vegetables as an important cash crop or for subsistence. In the rural areas, home<br />

gardens are usually planted to a diverse range of vegetables for home consumption including yardlong bean, okra,<br />

cowpea, ricebean, Basella rubra, hyacinth bean, lima bean, Cajanus cajan, Cucurbita moschata, Luffa spp., Lagenaria<br />

siceraria, Benincasa hispida and Momordica charantia. The germplasm collection is found in one ex situ collection in the<br />

country. Diversity is decreasing in yardlong bean, okra, cowpea, ricebean and bittergourd mainly due to the replacement<br />

of traditional varieties with modern cultivars. Diversity has remained the same for Cucurbita spp., Lagenaria siceraria,<br />

Luffa spp., hyacinth bean, lima bean, Cajanus cajan and Benincasa hispida as farmers still continue to grow traditional<br />

varieties even with the influx of modern cultivars.<br />

Spices<br />

Spices form part of the traditional Filipino home garden. The known uses of spices are for culinary and seasoning<br />

purposes. They are also known to possess medicinal properties and assist in food digestion. The most popular spices<br />

grown in the country are black pepper (Piper nigrum), ginger (Zingiber officinale) and hot pepper (Capsicum frutescens).<br />

In 2001, a total of 15 million hectares were planted to the crop, producing 72.3 million metric tons valued at 2 010 million<br />

Philippine pesos (US$ 40.2 million).<br />

Black pepper is an introduced species in the <strong>Philippines</strong>. The traditional variety is exclusively asexually propagated by<br />

stem cuttings. Recently there have been foreign introductions coming from India and Indonesia. Ginger is also exclusively<br />

asexually propagated by rhizomes. The traditional variety is spread all over the country. There are several related species<br />

of Zingiber extant in the country. Hot pepper is an introduced species that has become naturalized in the country. It is<br />

widely distributed throughout the archipelago principally by birds. Therre is significant genetic diversity in the species in<br />

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