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Outstanding Features Of Mutant Watermelon

In recent years, seedless watermelon is consumed in large quantities in the market. Seedless watermelon is the simple name for the line mutant watermelon. The economic efficiency of this fruit is attracting farmers to invest in large-scale planting to improve income. If you also want to know what technique the mutant watermelon is grown by, don’t miss the article of!

About mutant watermelon

Appearing in Vietnam for the first time in 2008, seedless watermelon has changed eating habits and brought convenience to everyone. The watermelons have green skin, red flesh, abundant water, special sweetness without seeds. With every bite, you can enjoy the full flavor of this fruit. Red sun watermelon is the first seedless watermelon to appear in Vietnam

Mutant watermelon also known as seedless watermelon, Red Sun watermelon
Mutant watermelon also known as seedless watermelon, Red Sun watermelon

The Red Sun seedless watermelon, bred by Syngenta, has the following outstanding features:

Has the ability to grow, develop strongly, easy to grow watermelon, easy to set fruit.

The time from planting watermelon to harvest time is 60 to 65 days, it is possible to grow many crops in a year, in the South, watermelon can be grown all year round.

The average weight of a watermelon is in the range of 3 to 5 kg, yielding 20 to 30% higher than the Black Beauty (HMN) watermelon.

Has a long storage time, tough shell, easy to transport.

The sugar level in seedless watermelon is very high 13 to 14% brix, the flesh is firm, the flesh color is bright red, beautiful…

Techniques for growing seedless watermelons

  1. Prepare the soil for planting seedless watermelon

You should choose fertile, well-drained soil. Do not plant watermelons on fields that have grown watermelons or other crops of the cucurbit family in the previous crop. It is recommended to rotate at least 3 crops with wet rice or maize.

Apply manure (5 to 10 m3/1000m2) or other organic fertilizers depending on the cultivation conditions in each region, apply lime (50 to 150 kg/1000m2 depending on the type of soil, the pH of the soil is located at between 6 and 7 is most appropriate).

Spread plastic tarpaulin (agricultural mulch) over the bed, punch holes 40cm apart.

The soil for growing watermelon mutants should be a soil with good drainage
The soil for growing watermelon mutants should be a soil with good drainage
  1. Planting density of seedless watermelon

Density: Suitable density is 800 to 900 plants/1000m2 (work); about 300 trees per pole in the North.

Distance: Plant-to-plant distance: 40 cm, planting watermelon in a single bed, with a width of 2.5 to 3 m or a double bed with a bed of 5 m wide is the most appropriate.

  1. Make pots, sow seeds

How to grow seedless watermelon depends a lot on the stage of potting and sowing.

Making gourds: Gourds are made of paper bags or possibly banana leaves. The soil in the pot is mixed with rice husk ash in the ratio of 3 rice husk ash, 1 soil.

Sowing seeds: For a high germination rate before sowing watermelon seeds, you should cut the edge of the seed (you use a nail clipper to cut the edge of the seed) then directly sow the seeds into a moistened pot (1 seed / pot). , it is not necessary to soak the seeds, do not water regularly, only water when the watermelon plant has grown (about 2 to 3 days after sowing), when the watermelon has 2 true leaves, plant watermelon in the field. (after sowing about 6 to 7 days).

In addition, you should plant watermelons with 4 to 5% more watermelons with seeds to pollinate seedless watermelons. Seedless watermelons need to be sown 5 days in advance.

Seedless watermelon care techniques

  1. Pruning flowers

Choose ropes, pruning branches, get fruit for watermelon plants: Leave only 1 main line and 1 to 2 rowing lines (side branches), trim all swimming branches.

A tree takes 1 fruit on the main line at bud 2 or bud 3, when taking fruit 4 to 5 days later, we perform top cutting, this has the effect of concentrating nutrients to feed the tree, fruit and limiting, preventing thrips, pests, diseases for watermelon plants.

  1. Fertilization

The technique of planting seedless watermelons is successful or not depends quite a lot on the fertilization process. Fully fertilizing, with the right dose for watermelon, ensures that the plant has enough nutrients, the tree grows quickly and produces high-quality fruit.

The dose of fertilizer for watermelon plants depends heavily on each stage of plant growth
The dose of fertilizer for watermelon plants depends heavily on each stage of plant growth

The amount of fertilizer for watermelon more or less depends on the fertility of the soil. For infertile soils, sandy soils need more fertilizer than loamy and clay soils.

Including organic manure or decaying manure: 1,000 kg/ha; powdered lime (wall scouring or lime fired from shells): 1,000 kg/ha; NPK fertilizer Dau Trau loaij 13-13-13 Export: 1,000 – 1200 kg/ha.

Fully fertilize 1,000 kg of organic manure or manure, 1,000 kg of lime powder and 500 kg of NPK 13-13-13 TE buffalo head for 1 hectare of seedless watermelon, can be mixed with a little pesticide such as Furadan 3H or Basudin 10 H or to prevent and destroy ants, crickets…

  1. Pest control

During the implementation of the technique of growing seedless watermelon, it is inevitable that the plant will be infected with pests and diseases.

To be able to prevent and destroy them as soon as possible without affecting the watermelon plant, you need to regularly observe the plant, if detected, quickly handle them by the way we guide below.

Spread Basudin or Furadan to treat soil, kill nematodes, crickets, earthworms and other harmful insects, affecting the soil of seedless watermelon.

For ladybugs, omnivores, green worms, you use Selecron (15 – 20cc/8 liters of water), PolitrinnP (10 – 20 cc/8 liters of water) or March (10 cc/8 liters of water) to spray the plants. .

Thrips (firehoppers) are treated with Actara (1cc/8 liter of water), charm worms (leaf borers) using Vertimec (5-10cc/8 liter of water) or Trigard (10cc/8 liter of water).

Some common diseases when growing seedless watermelons are often encountered such as:

Seedling mortality (Rhizoctonia sp) can be treated with Ridomil Gold or you can treat the seeds.

Score spray anthracnose (5 to 10 cc/8 liters of water) for treatment.

For fissured disease, you use Score (according to the dosage of 5 to 10 cc / 8 liters of water)

Leaf spot disease (Pseudoperonospora sp) used Ridomil Gold (25 to 30g/ 8 liters of water) to deal with the disease.

Note: Before spraying plants, you need to carefully read the instructions for use before use, follow the instructions printed on the product packaging to ensure the health of the seedless watermelon plant.

The dosage of pesticides used for watermelon plants should follow the recommendations on the package
The dosage of pesticides used for watermelon plants should follow the recommendations on the package


After 60 to 65 days of planting seedless watermelons, we can start the harvest phase, the average sugar level in seedless watermelons at harvest reaches from 13 to 15% brix depending on the season and each region.

Harvested watermelon has bright red flesh, very beautiful, firm flesh, the weight of watermelon at harvest averages from 3 to 5 kg.

So we have finished learning about how to grow seedless watermelon as well as the technique of growing seedless watermelon. Through this article, agrisearch hopes that you can grow your own seedless watermelons that are full of fruit and give high yields. For those of you who are in the business of seedless watermelon, it is certainly a huge economic gain. Good luck!

Emilia Chaney
Emilia Chaney
My name is Emilia Chaney. I'm a social girl from Romania with a big smile and 3 passions: Agriculture, Travel and Social Media. I try to make this blog practical, full of great advice and inspiring ideas.

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