The banana zucchini is a kind of zucchini with a fruit shape resembling a banana and a yellow peel. It is a new type of yellow peel fruit from the American pumpkin. It is mainly eaten with tender fruit. Its tender fruit is tender, sweet and fragrant, suitable for raw food, fried or stuffed, and its tender shoots can also be cooked.

1 main varieties and their characteristics

The golden candle zucchini is precocious. From the time of planting to harvesting for 53 days, the fruit is straight and neat. It has a long cylindrical shape with a slightly raised, shallow rib, golden yellow, tender and creamy milky white, and the commercial fruit is 18 to 20 cm long. The plants are upright and dwarf. The main vines grow stoutly, leaves open, are easy to harvest, and have good quality and flavor.

Thin-skinned golden yellow zucchini grow compactly, dwarf, and early maturity, from the time of planting to harvest 54 days, the fruit shape is slim, slightly curved cylindrical, long fruit shape such as banana, suitable for harvesting young fruit raw food, fruit length 8 to 10 cm is most suitable.

"558 Tight Wax" hybrid generation of high quality, very early maturing varieties, from the time of colonization to harvest for 40 days. The plants are compact and dwarf, with few leaves and many fruits. The fruit is cylindrical, slender and curved, and can be harvested early. Young fruit can be harvested at 7 cm, and the quality is still smooth and tender until 20 cm. The skin is golden yellow, smooth and shiny, and the flesh is beige. For disease-resistant varieties.

The golden fruit American pumpkin plant is dwarf and has a strong growth potential. The degree of plant development is about 80 cm. Female flowers begin to appear in the main vines from 4 to 6 knots, and female flowers occur continuously. Precocious, from the time of colonization to early harvest about 43 days. About 70 days after the live broadcast. The diameter of the fruit is 4 centimeters in diameter, about 20 centimeters in length. It is golden yellow, smooth and shiny, and the flesh is yellow. It is suitable for raw food to be harvested 4 days after flowering. At this time, the quality flavor is the best.

"Edorado" golden fruit zucchini plant semi-traffic, strong growth potential, high yield, the main vine 5 to 6 knots began to melon, after the basic each section has female flowers. From colonization to early harvest about 49 days. The fruit has a long, sticky, golden skin, smooth, creamy flesh, tender meat, slightly sweet, good quality and flavor, and can be eaten raw or cooked.

The varieties of Korean banana zucchini introduced from Korea are similar to those of Golden Fruit and American Pumpkin.

Goldy plants are compact and very open. The fruit is golden yellow, long cylindrical, melon 20 to 25 cm long. Easy to harvest, strong growth potential.

Gold coral is precocious, high-yielding, golden yellow in fruit, melon straight, cylindrical, green handle, fruit up to 25 centimeters, diameter 5 centimeters, single melon weight 400 grams, plant type upright, short internodes, yield per acre Up to 7000 kg, suitable for protection and open field cultivation.

Korean golden skin squash has strong cold resistance and is suitable for protective cultivation. The fruit is golden yellow, with shallow longitudinal ribs on the surface, about 20 centimeters in length and about 6 centimeters in diameter. The yield per mu can reach 4,000 kilograms.

Israeli gold skin squash fruit is thin, 3 to 4 cm in diameter, 20 cm long and more, smooth leather, weighing about 150 grams.

The American gold skin squash has a strong growth potential, thick vines, large plant types, short internodes, and is a mid-late-maturing variety. The results are many, the fruit set rate is high, the skin is golden yellow, the fruit is stick-shaped, the fruit surface has obvious longitudinal edges, and the single fruit weight is 300-400 grams.

2 Requirements for environmental conditions

Banana zucchini prefers a warm climate, but has a strong adaptability to temperature and a wide range of cultivation. The lowest temperature for seed germination is 13°C, the highest temperature is 35°C, the suitable temperature range is 21～32°C, germination is fastest at 30°C, and no germination occurs above 40°C; the suitable temperature for seedling growth at seed germination is 22～ 25°C. Plants must grow above 12°C for normal growth and development. The optimum temperature for growth and development is 21°C. The temperature required for flowering should be above 15°C. The optimum temperature for fruit development is 22-23°C. The vegetative growth period is at a lower temperature. The lower is conducive to the differentiation of female flowers. Banana zucchini has strict requirements on light intensity, and in short days, female flowers can be increased in quantity, but natural sunlight is beneficial to plant growth after the formation of female flowers. During the nursery period, giving 8 hours of light daily can promote early maturity and increase yield. The roots of banana zucchini are developed and have strong water absorption and drought resistance. However, due to large and large leaves and large evaporation, timely irrigation must be used to obtain good yield. Banana zucchini is not strict on soil requirements, and barren land can also be grown. However, in order to obtain high-yield and high-quality products, sandy loam or loam with rich organic matter and fertile soil should be used as well.

3 cultivation techniques

3.1 cultivation season, cultivation methods 1 open cultivation. The cultivation of open fields in the north is usually two months a year. The spring flood is dominant, sowing in late March, planting in late April or early May, and the occurrence of mosaic virus disease and powdery mildew tends to occur late in planting. Qiu Jin should pay attention to the use of heat-resistant nursery, staggered high-temperature colonization. 2 Protected cultivation. According to factors such as insulation performance and lighting conditions of the protection facilities, the temperature of the solar greenhouse in winter and spring can be kept at about 21°C during the day and can be cultivated at no less than 15°C at night, otherwise it is not suitable for success. In the early spring in the event of more rainy days, there should be light-supplying equipment during the flowering period. Solar greenhouses are generally sown in late spring in late spring and planted in the middle and late March. Winter pods are normally planted in early October and planted in the middle or late November.

3.2 Seedlings 1 seed treatment. The selected seeds are soaked in hot water at 50-55°C and continuously stirred until the water temperature drops below 30°C and soaked for 5-6 hours. Then remove and soak with 1% potassium permanganate solution for 20-30 minutes. Minutes, then remove and rinse clean, wrapped with a clean damp cloth, placed at 27 ~ 29 °C, moisturizing conditions germination, after 1 to 2 days, most of the seeds can be sown white buds. 2 seedbed preparation. One week before sowing, the seedlings were well nursed. The seedlings were 1.2 to 1.3 meters wide and were well-matched with nutrient soil (6 parts of garden soil, 4 parts of decomposed organic fertilizer, and sieved). As the root regeneration ability of the zucchini squash is weak, it is advisable to use nutrient pods for raising seedlings, and nutritional pods with an 8 cm diameter can be used. Place the nutrients in soil and place them on a seedling bed in a greenhouse. 3 sowing. Before sowing, the nursery bed or nutrient bowl shall be irrigated, and one seed of germinating bud shall be placed at the center of each nutrient bowl, laid flat and covered with 1 cm of soil. Yangshuo seedlings by seedlings 10 cm square block, will germinate the seed sowing flat in the center of the box, after the cover film and grass cover, cold moisture.

3.3 Seedling management After sowing, keep the temperature at room temperature 25～29°C during the day and 18°C ​​at night. After 3 to 4 days, the seedlings can emerge. After emergence, the mulching film is opened, and the ventilation and cooling are maintained. During the day, keep at 20～25°C and 15°C at night. Keep the soil moist. When the cotyledons are unfolded until the first true leaf is unfolded, the daytime temperature is 20-23°C and nighttime is 13-15°C. From the second true leaf grows to 10 days before colonization, the daytime temperature is maintained at 22°C, and at night 10～ 12 °C, to prevent seedlings grow. 7 to 10 days before planting, gradually increase the ventilation, cool the seedlings to improve the adaptability of the seedlings, keeping 18 to 20°C during the day and 8 to 10°C at night.

3.4 Colonization 1 Site preparation. Land preparation before planting, applying 6-8 tons of decomposed farmyard fertilizer per acre, 50 kg of superphosphate, 100 kg of cake fertilizer as base fertilizer, deep-turning after application to mix the soil and fertilizer, and then open a 30-cm deep ditch after flat land, watering After the lyrical condition is suitable, a 15 cm high ridge is formed along one side of the ditch, and the mulch is covered to keep the ground warm. 2 colonization. Seedling period 20 to 30 days, 3 to 4 true leaves can be transplanted. The seedlings will be placed in the ditch according to the distance between the plants, straightened, covered with soil, and properly planted in shallow depths to facilitate rooting and seedling growth. After planting, irrigating water to promote easing seedlings, using soil pressure mulching film.

3.5 Field Management 1 Temperature Management. It takes 25 to 30 days from planting to initial flowering. The greenhouse is closed within 3 to 5 days after planting. Ventilation is not conducted for a short time. The cover of the grass cover is kept overnight. The daytime temperature is maintained at 25 to 30°C and 18 to 20°C at night. Ventilation, keep the temperature during the day 20 ~ 28 °C, 12 ~ 16 °C at night. After 3 to 5 days after the initial flowering, the fruiting squash begins to grow. At this time, the growth rate of the scorpion scorpion is accelerated. Indoor air temperature can not exceed 30 °C, generally maintained at 25 °C. When the room temperature drops to 20°C, close the vent and cover the grass at 15°C. The night temperature is maintained at 12°C. Into the melon period during the day when the temperature reached 28 °C when the air release in a timely manner to maintain about 25 °C, the night temperature remained at 10 ~ 12 °C. 2 fertilizer and water management. 5 to 6 leaf stage spray 3% potassium dihydrogen phosphate to promote growth. When most of the roots are sitting, pour the melon water and chase the fertilizer with the water. The topdressing amount is 10 to 15 kg of ammonium nitrate or urea per acre. During the prosperous period of melons, when each plant receives 2 melons, sunny water is poured every 4 days or so, and water is topdressed once every 8 days. Each time acre topdressing 20 kg of urea, potassium dihydrogen phosphate 2 kg. 3 squid anti-chemical melon. In the early stage of fruiting melon, the squash is pollinated by male and female dills. Because there is no wind in the greenhouse, there are few insects and the humidity is high, which may cause flowering and fruit drop. Generally, after the opening of female flowers, artificial pollination or 30 mg/l is performed from 8 to 9 am in the morning. 2,4-D or 50 mg/L of anti-decantin, etc., can be added to 0.1% of sucrose to prevent the occurrence of gray mold.

4 Pest control

The diseases of banana zucchini are mainly powdery mildew, sclerotia, mosaic disease, downy mildew.

When the powdery mildew was cultivated, the disease-resistant variety should be selected and sprayed with 20% triadimefon 2000 times or 2% antimycotin (agricultural 120) water 200 times in the early stage of disease. Protected cultivation, such as high indoor temperature should be used sterilization smoked smoke agent, early prevention and early treatment.

The leaves of susceptible plants showed systematic mosaic or systematic mottle. The upper leaves of severely diseased plants showed chicken claws, and the plants were dwarfed and the leaves became smaller, until the leaves were dry or dead. The diseased plants have small or no melons, and the melons are nodular or deformed. The specific prevention methods are selection of disease-resistant varieties, cultivating strong seedlings, suitable early sowing, timely control of aphids and nematodes, good field cleaning, spraying 20% ​​virus A wettable powder 500 times in the initial stage of disease, or other antitoxic agents, every 10 About 1 day, continuous control of 2 or 3 times.

In the early stages of the onset of Sclerotinia, water-soaked pale green spots appeared on the vines. The lesions gradually became large, became brown, softened and rotted, and the surface was covered with white moldy material, and then formed a brownish brown sclerotia, and finally the sclerotinia above the diseased part. Withered. In the early stage of the disease, 50% SulfoMax can be sprayed with 1000 times solution, 50% with Park Hypothex with 1000 times solution, or 65% with metalaxyl solution with 1000 times per week.

In the onset of downy mildew, the leaves began to turn green and yellow and finally died. At the beginning of the disease, 72% Kelu WP can be used 700 times, or 58% thiamidine MnZn wettable powder 500 times, or 30% metalaxyl 500 times.

Insect pests are mainly aphids and red spiders, and they are treated with caution.

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