Papaya Cultivation Management (1)

one. Papaya outline:
The small red meat papaya is popular with consumers because of its unique sweet flavor and good health and beauty benefits. Its products sell well in the north and south of the country, and its sales year after year. For a long time, most varieties of small papayas have poor disease resistance and low yields. Growers have a high production risk. In view of this situation, after many years of research and breeding, Taiwan Yuyou Seedlings has finally cultivated a small, red-fleshed papaya with a good-looking appearance and stable yield. Papaya papaya is a hybrid generation, early maturing, spring planting to early harvest for about 200 days, continuous and strong results, about 40% Hexiang shaped fruit, 60% long fruit knot, single fruit weight of about 500-600 grams, sugar content can be Up to 13-16 degrees, there is a unique aroma, good quality, special virus-resistant cases as its most important feature, more than 2,200 kg per mu.
Papaya plants are generally divided into three tree types: female, male, and hermaphroditic. The female plants are female flowers. The flowering results are normal all year round. Usually the yield is the highest among the three types; the two sexes have stamens and stamens. The results of the spring and autumn minimum temperature in the rainy season can be obtained. A few of the varieties, such as the daily growing species, have higher yields than the female plants, and the other varieties have lower yields than the female plants. The male plants open male flowers, no results, and no economy. value.
Second, papaya cultivation management points:
Papaya grows rapidly, results are fast, perennial results, yield is good, papaya seedlings are tall and dry, slender petiole tissue is weak, and resistance to natural disasters is weak. Therefore, whether or not a garden is properly selected is the key to the success of cultivation.
When choosing a papaya field, pay attention to the following conditions:
1. The optimum temperature for papaya production is 25-30 degrees. The minimum daily average temperature is above 16 degrees. Fertility, result, yield and quality are normal. If it is frosted, it will be killed by freezing.
2, papaya seedling roots immersed in water and steam for 24-36 hours that rot, need to choose no water after the rain land, usually suitable for high ridges and drains, if the water should be immediately cleared, anti-root rot.
3, papaya seedlings shallow, intolerant of drought, in order to make continuous results, increase the output of high-quality garden wet, sandy land irrigation once every 5-7 days, loam fields to be watered every 10-15 days, so the need for convenient water source planting .
4. The soil needs to be fertile and fertile with organic matter, deep soil layer, bottom water level, and well-ventilated sandy loam or gravelly sandy loam with a pH of 6.0-6.5.
5, South to avoid wind, in order to make enough sunshine, and reduce wind damage, cold damage, should be selected from the south or southeast, southwest, slope below 20 degrees, and the cultivation of gentle slope sheltered.
6, papaya planting, not continuous cropping, otherwise stunted, serious pests and diseases, the old strain after the waste cultivation, it must be 3 years before replanting.
7, selected species:
The selection of good varieties requires pure quality and no deterioration of hybrids. The seeds must be fully matured, and the seeds can be fully matured. The seeds can be removed by washing with water, and the seeds can be removed without rinsing. The storage must be 5-10 degrees, and the relative humidity is 10-20%, ie, low temperature drying, and sealing. The place.
8, sowing nursery:
Papaya sowing season in addition to 1-2 months need insulation, 6-7 months need rain, the month can be sown, but the autumn broadcast (8-11 months) is the most appropriate. Papaya seedlings, should not be used live or bed sowing, it is appropriate to use plugs or nursery bags, filled with sandy loam 3 points, 1 minute decomposition organic fertilizer, the cultivation of the cultivation of soil seedlings.
9. Site selection and site preparation:
Papaya should not be used as a continuous crop (except for resistant varieties). When it is continuously cropped, it will be poorly developed, with serious diseases and insect pests, and the age of the trees will be shortened. After cultivation in the same garden, it must take at least one year before replanting. The field should be fully cultivated pears, remove weeds, debris, ridging, ditching, in order to facilitate drainage. In order to keep the soil soft, water-retaining, fertilizer-preserving, heat-preserving, and preventing weeds from growing, the garden is best covered with plastic film, and the plastic film is selected as a silver-black two-color plastic film. The specification is one meter wide and the thickness is 0.30-0.3mm. High quality plastic film.
10, planting distance and selection of plants:
For a spacing of 2.5 meters, a row spacing of 2 meters is preferred, a row spacing of 2 meters is followed by 2 meters, and 1 plant per hole. However, in order to prevent the production of male parent strains, or if only the herd is required to improve the quality and yield, each hole should be suitable. Two or three plants were planted in linear triangles or one for every one meter. When the flowering can distinguish the hermaphrodites and the round, all the round fruits were cut off and the septum was removed; For continuous acupuncture round fruit, replant the amphoteric plant to make up, this method is good for plant growth and ventilation.

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