Achieving this would be reducing substantially pesticide use in watermelon farming. Alex Fox is a freelance science journalist based in Washington, D.
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Science The controversial sale of 'Big John,' the world's largest Triceratops. Science Coronavirus Coverage How antivirals may change the course of the pandemic. Since pollination is necessary for the enlargement of the melon, a pollinator variety must be interplanted with seedless varieties to insure melon set.
More recent improvement efforts seem to be aimed at producing smaller, "ice box" sized melons with good disease resistance and superior sweetness and taste. Additionally, we now have yellow, orange and white-fleshed varieties for added color appeal. Whatever the variety grown, watermelons prefer a sunny location having soil with good water-holding capacity and adequate drainage. A slightly acid soil pH 5. As expected, they require a constant supply of water.
However, excessive moisture especially as the fruits mature can lead to melon cracking and reduced sugar content. Weeds can limit both yield and quality and must be controlled. Monitoring insect populations and early intervention using IPM tactics is recommended to minimize insect damage.
Troublesome watermelon diseases include bacterial fruit blotch, fusarium wilt, powdery mildew, downy mildew, and gummy stem blight. Viruses such as cucumber mosaic, squash mosaic, and watermelon mosaic also can be a problem. When possible, the use of genetically resistant varieties is the best way to combat diseases.
Watermelons are considered ready for harvest when their "belly patch" portion of the rind that rests on the ground turns from white to creamy yellow. Another indicator of ripeness is when the tendril located across from where the melon is attached to the vine turns from green to brown. Once harvested, watermelons can be stored at room temperature for about one week, or in refrigerated storage for two to three weeks.
As mentioned earlier, watermelons are more than just sweet and juicy, and scientists are still discovering its health benefits. Gerard J. The Herball or General Historie of Plants. London : John Norton. Republished , Amsterdam: Theatrum Orbis Terrarum, — Germer R. Mainz am Rhein : Verlag Philipp von Zabern , — Wiesbaden : Otto Harrassowitz , 10 , 43 — Givens JA.
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