Introduction

Watermelon, normally known as "pakwan" in Tagalog, is likely local to Africa. It is for the most part eaten as treat natural product. The skin is made into jelly and pickles; the seeds are handled into butong pakwan. In 1982-83, the region planted to watermelon was 15,410 hectares with an aggregate generation of 75, 650 metric huge amounts of natural products; yet region was diminished to 5,370 hectares in 1983-1984 and creation went down to 57,000 metric huge amounts of organic products. The interest for watermelon could go up as outside business sectors like the USA offered to however all the watermelon the nation can create.

VARIETIES

Assortments usually developed in the Philippines are Valencia, Meak, Klondyke, Northern Hybrid, Tender Sweet, Hony Cream and Mallorca.

Height Watermelon is developed comercially in marsh territories after rice reap. These regions are Bataan, Bulacan, Pampanga, Tarlac, Nueva Ecija, Rizal, Batangas and Laguna.

Long stretches of planting-Planting season is from October to January. In a few sections of the nation, planting is done as ahead of schedule as August to create an off-season edit which charges better market cost.

FERTILIZATION

Watermelon is by and large developed in revolution with different products; it is important to utilize fertilizer or any dirt enhancing yield to keep up natural issue in the dirt. Apply 10 to 15 tons of excrement for each hectare. Apply finish compost at the rate of 100 to 150 kilograms for every hectare at planting time by hand position 5 to 8 cm underneath the dirt and 5 to 6 cm away to the side where seeds are set. In the event that plants hint at yellowing, apply sidedressing of nitrogenous compost.

Watermelon has a spreading shaggy, ring bearing vines achieving 3-5 meter long. Leaves are oblongovate 8-20 cm long with 3-7 flaps. Blooms are monoecious, yellow in shading and around 2 cm in distance across. Organic products are extensive, green-mottled or dark green. Presented mixtures and assortments create substantially greater natural products, shapes changing from globular to oval.

SOIL AND CLIMATE

Watermelon lean towards an all around depleted sandy topsoil soil rich in natural issue and which has not been already palnted to watermelon. Watermelon requires more air circulation than some other sort of products, so the field must have great seepage to get great yield. In regions where developing season is short, light soil is attractive for early collect. It develops palatably in heavier soil if legitimately minded and oversaw.

Watermelon is tolerant to an extensive variety of oil acridity with soil pH 5.0 to 6.8 to effective development. A long stretch of warm, ideally dry climate adds to development. A temperature of 25 C is perfect for development and 25 C is the best temperature for natural product setting.

After plants are settled, thin to one to two plants for each slope. Interchange plant is planting in ceaseless lines and diminishing the plant to a separation of 1.5 to 2.0 meters. At the point when plants have 3-4 leaves, thin to one plant for each slope.

CULTIVATION

Develop and weed to check weed development. Any execute might be utilized for the reason. Dodge damage to roots while developing.

IRRIGATION

Watermelon may endure damage when presented to a long stretch of dry spell. Apply water system water when vital. Visit light water system 5-6 times amid developing season is advantageous. Amid beginning period of development, flood sparingly since an excess of water has a tendency to frustrate root advancement.

PEST AND DISEASES

Cucurbit bug Adults are yellow creepy crawly 6 to 8 mm long. They eat leaves of youthful and old plants.

• Aphids –

Grown-up and youthful are small, greenish creepy crawlies by and large wingless and delicate bodied. Creepy crawly suck the sap of takes off. Pervaded plants indicate twisting and mutilating of clears out.

• Mites –

Extremely modest creepy crawlies typically found on undersurface of takes off. Grown-ups are rosy in shading.

Fleece Mildew – Caused by Pseudiperonospora cubensis Berk and Curt. Described by the nearness of yellow spots on upper surface of leaves and purplish fine material on bring down surface.

CONTROL OF PESTS AND DISEASES

Treat the watermelon seeds with suitable fungicides to limit early improvement of maladies in the field.

Tidy or shower the youthful plants routinely with any reasonable bug sprays when the false leaves have spread. At the seedling stage, watermelon are effortlessly assaulted by creepy crawly bugs.

HARVESTING

Gather watermelon natural products when develop enough to be sweet. For the most part, it takes a watermelon organic product to develop 35 to 40 days from fertilization relying upon the assortment. The old technique for deciding development of watermelon is by "pounding" with a finger. A dull or empty sound means that development. The most down to earth record, in any case, is the point at which the shade of the lower some portion of the natural product that lays on the ground changes from white to rich yellow. Gather natural product with a sharp blade.

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