The whole process of greenhouse Kirin watermelon 8424 planting technology

Summary. Watermelon seedlings generally leave the third leaf of the melon.

Watermelon seedlings generally leave the third leaf of the melon.

Can the third leaf have flowers?

Leave a few vines and a few melons, I planted them in the dew.

The first melon on each main vine is removed, leaving the second melon, the head melon is not enough due to the mature function, the photosynthesis is insufficient, and it can not meet the development and expansion of the young melon, because the melon is small and the melon shape is not thoughtful, if the second melon is deformed or clear or susceptible, then leave the third, and each plant is the most selected to leave 4-6 melons.

Watermelons generally choose the second female flower of the main vine to pollinate and stay melons, so that the hall mold fruit type is Zhouzheng. The second female flower is generally located at the 12-15 nodes, that is, the main vine has 12-15 leaves. Watermelon is best left at 14 and 15 knots.

Watermelons are planted in the open field, and it is generally best to keep melons during festivals. Watermelon is generally better in saving melon. Still depending on the variety, the melon can be left after 12 leaves, but the melon is not left.

Each plant leaves 5-7 main cultivation slow vines, the first melon on each main vine is removed, the second melon is left and the orange is left, the head melon is not enough due to the mature function, the photosynthesis is insufficient, and the young melon development and expansion can not be satisfied, so the small and melon shape is not thoughtful, if the second melon is deformed or susceptible, then leave the third, each plant is the most selected to leave 4-6 melons.

The planting method and time of 8424 watermelon are as follows:

Watermelon planting method: first select the land to prepare the land, 8424 watermelon planting land should avoid continuous cropping, otherwise diseases will occur. It is best planted in a sunny place, where the soil is deep and loose, and the soil needs to be turned deeply before planting.

Secondly, when sowing, 8424 watermelon needs to keep the ground temperature above 15 degrees. After the final sowing, it needs to be covered with a layer of plastic film, which can play the role of heat preservation and moisture, so that it grows well. <

Watermelon planting time: 8424 watermelons are generally planted in March-April or June-July. The temperature of these two periods is more suitable for growth. If planted in a greenhouse, it can be grown all year round. In order for it to germinate better, the ground temperature should be kept at around 15 degrees when planting. <>

8424 Precautions for Watermelon Planting:

1. Colonization. Wait until the seedlings are about 30 days old and have 3 or 4 leaves to colonize on a sunny day, it is recommended to plant them at 9:00 16:00

00, the temperature is kept at about 10 degrees for colonization. After planting, you must be careful not to water it casually, as this will lead to root rot.

2. Water and fertilizer. Water and fertilizer management is very critical, and different hydroponic management should be given according to the different growth stages of watermelons, and the principle of fertilization is to be small and many times. In addition, water and fertilizer should be adjusted according to the growth of the plant.

3. Temperature. Temperature is also very critical, part of the watermelon planting according to the temperature inside and outside the greenhouse and weather conditions to accept appropriate adjustments, in the early stage of planting temperature to reach 30 degrees to 35 degrees, and so on after the plant survives, the temperature of Dan Bend during the day is 30 degrees, and the night is about 15 degrees is the most suitable.

Summary. Choose sandy soil plots with high and dry terrain, convenient drainage and irrigation, deep and fertile soil layer, and good permeability as planting sites.

The planting area should not have cultivated melon and eggplant crops within 3 years, and the previous crops should be cotton, corn, rice, and rape.

Site preparation. One year before sowing, remove weeds and dead leaves from the field in late autumn and early winter, and then turn 25-30 cm deeper. When the soil reaches a suitable dry and humidity, carry out leveling and fine tillage, and dig a ditch.

8424 watermelon autumn planting technology.

The sandy soil plots with high and dry terrain, convenient drainage and irrigation, deep and fertile soil layer, and good permeability of pin beams were selected as the planting sites. The planting area should not have cultivated melon and eggplant crops within 3 years, and the previous crops should be cotton, corn, rice, and rape. 2.

One year before sowing, remove weeds and dead leaves from the field in late autumn and early winter, and then turn 25-30 cm deeper. When the soil reaches a suitable dry and humidity, carry out leveling and fine tillage, and dig a ditch.

Do I need to be pollinated by hand?

You're talking about spring, I'm consulting about autumn planting.

How many days after pollination of 8424 watermelon ripens depends on the climate and environment. If the climate is warm and the temperature is high, it will take about 30-35 days for the finch to mature. When the female flowers in the field are open, the open male flowers are removed from the petals or turned over the petals after masking to expose the stamens, and then the anthers of the male flowers are gently modified on the stigma of the female flowers, so that the pollen is evenly adhered to the stigma.

The time of artificial pollination should be grasped before 9 a.m. on a sunny day, and the rate of pollination will decrease after 9 a.m.

Autumn pests and diseases are more severe, how to prevent them?

The main pests and diseases of watermelon are anthracnose, blight, cataplexy, aphids, etc., and the prevention and control of anthracnose can be done by using a mixture of difenoconazole and azoxystrobin.

After the occurrence of diseases of gangrene and blight, drugs such as Suclin and chlorothalonil can be sprayed.

When pests such as red spiders, leaf miners, aphids, whiteflies, and melon silk borers occur, imidacloprid, chlorpyrifos, avermectin and other drugs can be used for control.