Which Watermelon Seedling Variety Is Best? A Detailed Guide to Raising Seedlings
Watermelon is one of the fruits people eat the most in summer, and the total planting area of watermelon in our country is also very large. There are also very many watermelon varieties. If fruit farmers want to grow watermelons, choosing a watermelon seedling that suits them is the right approach. So which variety of watermelon seedling is the best?
I. Which watermelon seedling variety is the best?
1. Early Spring Red Jade
It is a first-generation hybrid extremely early-maturing small red-fleshed watermelon. Planted in spring, harvested in May, maturing 35 days after fruit set. Planted in summer and autumn, harvested in September, maturing 25 days after fruit set. This variety has a long oval appearance, clear stripes on a green background, steady plant growth, rind thickness 0.4-0.5 cm, bright red flesh that is crisp, tender and refreshing, central sugar content above 12.5, single fruit weight 2.0 kg, long storage life, and good marketability.
2. Black Beauty
Black Beauty is a variety of watermelon. The fruit is long oval, the fruit is relatively small, the rind is deep black-green, with indistinct stripes. It is sweeter than other watermelon varieties, and the flesh is firmer than that of other varieties.
3. Mibao
Mibao, also known as Taihei, has a deep green fruit surface at the young fruit stage, with faintly visible green stripes, and after maturity the fruit surface has a white bloom. A single fruit weighs 6-7 jin, and large ones can reach about 12 jin. The rind is about 1.2-1.5 in thickness, tough, and resistant to storage and transport.
II. Watermelon seedling raising methods
1. Seedling raising time
The time period for raising watermelon seedlings, that is, December to February, is precisely the coldest period of winter, especially before and after grafting. And many melon farmers, because their seedling sheds are relatively small and their insulation facilities are incomplete, have low temperatures in the shed and often encounter low-temperature obstacles when cold waves occur. When temperatures in the shed are low, melon farmers naturally first think of improving the insulation of the seedling shed. In addition, improving the cold resistance of the seedlings is also an important measure for dealing with low temperatures.
2. Strengthen insulation and heating facility measures
In addition to the original insulation measures such as covering with an inner shed film and insulation quilts, appropriate heating inside the shed is also very necessary. In the past, vegetable farmers mostly used stoves for heating, but the risk is high, so vegetable farmers must make protective preparations to avoid harming the seedlings.
In addition, to cultivate good, robust seedlings, it is recommended that vegetable farmers install supplementary lighting lamps in the shed, taking both heating and supplementary lighting into account, which has a prominent effect on improving seedling quality. When a cold wave causes a short-term temperature drop, vegetable farmers can use greenhouse heating blocks for short-term heating. One seedling shed uses 2-4 blocks, which can burn continuously for 2.5 hours after being lit, raising the temperature continuously, and with no open flame, they are safe to use and quickly raise the nighttime temperature by more than 5°C. Through a combination of multiple measures, the light and temperature conditions for the seedlings can be effectively improved, solving the primary factor restricting the success of seedling raising.
3. Improve the cold resistance of seedlings
After emergence, spray the leaves with Shiyuan Jinniu suspended calcium at 1000 times, chitosan at 1000 times, and white sugar at 300 times, which can effectively improve cell activity and enhance the stress resistance of the seedlings.
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