With the increase of market demand, in 2003, the introduction of a new naked squash cultivar in Xitai Township in Xitai County was tested in 147 hectares in Xidi Town and Gucheng Township, and was promoted in 15 townships across the county in 2004-2005. Up to 3,533 hectares, with obvious market advantages, has now become a new type of industry that optimizes planting structure and increases farmers' income.
First, the characteristics of naked pumpkin
"Gold Apple" naked pumpkin melon vines, small leaves, compact plant type, fast growth, growth period of about 100 days, after-ripening period of 20 to 30 days, are early maturing varieties. The fruit has a long cylindrical shape with an average fruit weight of 2.5 to 6.2 kilograms. The average number of seeds of a single melon is 310 grains, with a maximum of 616 grains. The grain shape of the seeds is large, neat, green and beautiful, and the commodity characters are good.
Second, cultivation technology measures
1. Site preparation
Choose the soil with moderate soil fertility, deep fertile soil, and easy drainage and irrigation. The former is wheat, barley, beans and oil. It is forbidden to repeat with various kinds of melons, and to flatten the land in spring to achieve the "Six-character" standard.
2. Fertilization ditch
Fertilization is based on basal fertilizers. 2000 kg of organic fertilizer is applied to 667 square meters, and 10 to 12 kg of ternary compound fertilizer is applied along the ditch line. The ditch is open to the north and south, with a ditch of 150 cm and a ditch width of 30 cm.
3. Select seed dressing
Select the gold apple No.1 and No.2 seeds with the germination rate above 95% and the purity and purity of over 98%, soak in the seeds for 1 to 2 days before sowing, then soak in 5 to 6 hours with warm water at 55°C, and use 50% more after draining. Diclosporin wettable powder seed dressing 0.3%.
4. Covering with film
When 5 cm ground temperature is stable above 15°C, Qitai should be suitable for the upper and middle months of May. A 90-cm wide mulch film should be used. Mechanized full-groove filming method should be used to compact the mulch on both sides by 30 cm. Holes are planted in holes, 2 for each hole, 3 cm for sowing depth, cover with wet soil after artificial sowing, and hole for strict membrane blocking. The sowing volume is 330 grams per 667 square meters, and 3,500 to 3,700 strains for 667 square meters.
5. Field management
1 Dingling seedlings in time when the seedlings 2 true leaves when the Dingmiao, leave a single plant per hole, choose to stay strong growing seedlings, remove weak seedlings, lack of seedlings left two plants, lack of seedlings more than 2 can be used in advance transplanted seedlings transplanted.
2 Pruning One single vine pruning, leaving only one main vine, all the other side vines removed, vines 30 cm long artificial crushed arable land, the main vine to the ridge back extension; second is more vine pruning, melon seedlings grow 5 to 6 pieces When the true leaves are picked, the side vines appear, and the female flowers on the side vines appear 2 to 6 knots earlier than the main vine. After picking the top, 2 to 4 side vines are left according to the effective space, and the remaining side vines are removed. The vines stay on guava 1 or 2.
3 artificial pollination artificially assisted pollination can significantly increase the yield of the melon seeds. When the female flower is open, the newly opened male flowers are taken in the large open bottle at 6 to 7 o'clock in the morning, and the new writing brush with the bubble is used to put the pollen on. Abandon the root melon, start pollination from the second or third female flower, carefully apply a few on the flower of the female flower, require all female flowers open on the same day before 10:00, grant 1 to 2 female flowers on one, let it Natural fruit setting.
4 Irrigation and topdressing The whole growing period requires irrigation 3 to 4 times, topdressing 1 times, and the melons sit steady before irrigation and less fertilization. After the melon has settled, 667 square meters of topdressing urea 12 kilograms, with a hole Shifa Shi Shi 20 cm around the root, and then irrigated with water.
5 Weeding and weeding should be done at any time to remove weeds and cultivating in time of 1 or 2 times after irrigation.
6 Pad Melons Place the melons on the wheat straw to waterproof them.
6. Pest control
1 Powdery mildew In mid-July, when the melons are stable, the fields are dense, and the temperature is high. Powdery mildew is prone to occur. Every 667 square meters is sprayed with 12.5% ​​irritant WP 50 to 15-30 kg of water, or in the morning and evening. When there is dew, spray 1500 grams of sulfur powder every 667 square meters.
2 Ascarids were treated with 2.5% of cream and 20 ml of water for 15 to 30 kg per 667 square meters.
7. Harvest
After 30 to 50 days of pollination, the squash gradually matures and is harvested when the melon cortex becomes hard and the color turns yellow. The harvested melon is placed in the cool place for 20 to 30 days, after which it is fully ripened. After mechanical seeding, the excised melon seeds are rinsed with clean water and placed on clean cloths, bamboo mats or clean drying fields. Drying.
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