Learn how we grow sweet, juicy DOLE Pineapples in some of the worlds finest growing areas from Costa Rica to Hawaii. The watermelon is an annual herbaceous trailing plant which belongs to the cucurbitaceous family and goes by the scientific name of Citrullus lanatus. As is common to intensive crops, the market life span of this fruit has been extended due to the fact that it is a forced crop which is protected by being grown in greenhouses. This means it is no longer a fruit grown exclusively during the summer only. The process of planting of watermelons in greenhouses is carried out with seeds which have previously been germinated in seedbeds. This takes place from December until the month of April, which means they are sown earlier than they would be if sown directly. Germination begins as soon as the cotyledons appear. Once the seedlings have grown to a height of about 8cm the end bud begins to appear, becoming longer, until the beginnings of new leaves start to show. At 10 or 12days after germination the cotyledons begin to wither and the end bud begins to sprout. Crops which are grown under plastic are subject to the kind of temperatures and humidity that favour the spread of diseases. In order to overcome this, pumpkin pattern grafting is carried out due to its morphological and physiological affinity to the majority of watermelon varieties grafted. This creates a resistance towards Fusarium wilt and other fungus found in the soil. The time lapse between sowing and transplanting varies between 30 to 40 days from the point of initial sowing in seedbeds. Seedlings should be transplanted into the soil with the root balls in tact; as this plant cannot stand to be transplanted with bare roots. Holes are made with a hoe […]
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