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Papaya is a luscious fruit that has been taken for granted. The total crop area in the Philippines planted to papaya amounts to only 8,720 hectares or 0.1 percent of our agricultural land. Yet no one can deny its tastiness as a dessert or as an indispensable vegetables dish of various recipes. Papaya fruits are good sources of Vitamin A, B and C. It is a familiar meat tenderizer because for clearing fruit juices, on fermenting liquors, pre-shrinking the quality of wool and as soap for washing clothes. Papaya possesses medicinal values.

Papaya can be easily grown in home yard gardens. It can also be a profitable enterprise. Under ordinary farm condition, production cost amounts to only P2,700 per hectare on the first year and P1,500 per hectare on the second year. The net profit on the first year may be less than P400 per hectare; but in the second year the returns can reach as high as P4,000 per hectare. The productive life of a papaya plant is about 3-1/2 years. This means that after establishing the plantation, income will flow with little effort provided you have a ready market.

VARIETIES

There are several cultivars you can choose from whether for backyard or commercial planting:

1. “Cavite Special ” is a popular semi-dwarf type that blooms 6 to 8 months after planting. The fruit weighs from 3 to 5 kilos each and mainly eaten fresh.
2. “Sunrise Solo” is a new improved high quality selection with reddish orange flesh, each fruit weighing half a kilo.
3. “Waimanalo” is high quality variety with orange yellow flesh, each fruit weighing from one-half to one kilo.
4. “Sinta” is the first Philippine-bred hybrid papaya, semi-dwarf, profile, sweet and flesh and weighs 1.2-2.0 kg./fruit.

LAND PREPARATION AND PLANTING

Land preparation for papaya orchard is similar to other upland crops. First clear the fields; then plow and harrow alternately about 2 to 3 times to kill weeds and provide good internal drainage. The distance of planting papaya ranges from 2 to 3 meters depending on the variety.

Papaya plants are usually planted by direct seedling in the field. Place 5 or more seeds in each hole; then cover with ¼ inch of soil. When fresh seeds are used, seeds will germinate in 10 to 14 days after planting. Seed germination is better and faster if the gelatinous envelope (sarcotestae) surrounding the seed is removed by means of the fingers. In some cases, seedlings are started in the nursery by sowing seeds in seed plots or individual containers such as in cans or plastic bags. Sow 3 to 4 seeds per container. Use sterilized soil to avoid nematode infestation and damping-off. Seedlings in the nursery should be grown under full sunlight to produce vigorous and hardy seedlings. Care should be taken not to disturb the root system. Constant watering is essential until plants are well-established. Seedlings are transplanted when there are 3 to 4 leaves.

THINNING

Thin papaya seedlings in the field 4 to 6 weeks after emergence. Leave only 3 of the strongest seedlings in each hole. Save plants that are spaced far enough from one another to allow minimum competition for sunlight and nutrients.

The second and final thinning in the field should be done as soon as flowers appear. This is usually 4 to 6 months after seed germination. At this stage, leave one tree seedling per planting hole. In plantation where female trees are grown, some pollinating trees of either male or hermaphrodite forms should be preserved during the thinning process. Allow one male plant to grow for every 15 to 20 female trees for pollination purposes.

CARE OF PAPAYA PLANTATION

Establishment of Windbreaks

Windbreaks are necessary in areas where strong winds prevail. Local materials used as windbreaks are ipil-ipil and madre de cacao. The distance between windbreaks varies with location. Where winds blow horizontally across the plantation, a common rule of thumb is to space windbreaks at a distance of 20-30 times the height of windbreak trees. Where winds come in different directions and angles, it is necessary to have windbreaks half as close.

In general, a good windbreak should be permeable, allowing some air to pass through.

Fertilization

Factors such as soil types, rainfall, locations, cultural practices, and age of plant influence fertilization practices. Start fertilizing when seeds are planted or when seedlings are transplanted in the field. Mix a handful (5-10gms.) of complete fertilizer (14-14-14) with the soil at the bottom of the hole before planting. As papaya seedlings grow larger, more fertilizer is applied.

Guide for papaya fertilization in the Philippines:

1. Apply 60 grams of ammonium sulfate as soon as plants are well-established and show new growth.
2. Apply the same amount at intervals of six weeks until plants are one year old.
3. Thereafter, apply 225 grams of ammonium sulfate per plant every three months.
4. Apply 450 grams superphosphate per plant at the start of rainy season every year.
5. In potassium-deficient soils, complete fertilizer with ratios 2:1:2 or 2:1:3 is recommended.

Weed Control

Weeds can be controlled by mechanical and chemical means. Hand-weed when papaya plants are less than 2- ½ meter high. Always keep one meter area around the trunk free from weeds.

In large commercial papaya plantation, weed control is done by using herbicides. Spray pre-emergence herbicide to hinder weed control for six months without much damage to plants. Spray post-emergence herbicides such as Paraquat of Gramoxone plus a surfactant, at intervals between sprays 5-6 weeks. Since papaya seedlings are very sensitive to chemical sprays, remove weeds close to the seedlings manually.

Related posts:

1. Invest in Sinta Papaya Production
2. Sinta Papaya Hybrid Production Guide
3. Papaya Production Guide
4. Growing Guapple

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