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Cultivation techniques of rose
Hits: 22355 ; source: zz.ag365.com Author: May 11, 2011 14:55:33

one Selection of planting area and variety It is suitable to select sandy soil with deep soil layer, loose soil structure, low groundwater level, good drainage and rich in organic matter, and avoid the place with heavy soil or low-lying water. There are many varieties of roses. According to different purposes of garden construction, different varieties and strong seedlings should be selected. For the purpose of producing flower buds, the rose garden with rich flowers, double petals or purple branches can be selected. Sprouting seedlings need to have 2--3 The Rootstock Roots of grafted seedlings should be developed. Plant height in thirty More than coffee.

  two Planting time and method It can be planted all the year round. The root system should be kept moist in the growing season, and it should be protected from cold in winter. However, the best planting period is from autumn defoliation to spring sprouting, and the best planting period is from autumn defoliation to freezing. In order to make the plant grow and expand the flower cluster as soon as possible, it is necessary to plant in big hole with different length and width 1m , deep zero 6-0 8m , or excavation depth and width zero 6-0 8m Planting ditch. Plant application of organic fertilizer n)18 , superphosphate zero 5bS It should be mixed with the soil evenly and applied to the depth of the soil zero 2-0 5m After planting, it should be well watered.

three Soil, fertilizer and water management three one Rhizosphere cultivation Rose root system eighty %It is a horizontal root. After the rose leaves leaves or in early spring, the base of the rose is cultivated with a general thickness 4-8 In this way, the soil layer of flowers is thickened, the growth of root system is promoted, and the soil humus is increased after the fallen leaves and weeds are buried in the soil. At the same time, the diseased leaves are buried in the soil, which also reduces the spread of pathogens. three two Deep excavation Planting roses 2-3 It can be carried out in different years, before the rose leaves fall, after thawing in spring, before germination or after harvest, combined with fertilization. The main way is to dig the ditch and turn it deep 40-50 Coffee, wide 50- When printing the T-shirt, pay attention to the original planting ditch and hole, do not leave a partition wall, as far as possible damage the plant big root. three three Weeding by intertillage It is carried out in the growing period of roses and cultivated every year 4-5 In general, the depth of cultivation is 10-15 In addition, it is necessary to combine cultivation with field tillage to remove weeds, especially perennial perennial weeds and climbing plants. three four Reasonable intercropping New rose garden after planting 1-3 In order to make full use of the land and increase the economic income, we can intercropping the short stalk cash crops or planting medicinal materials, but we should leave enough space for the growth of roses, otherwise the normal growth of roses will be affected. three five Reasonable fertilization In early spring, when the temperature is stable at 3-5'E At this time, the rapid acting fertilizers, such as urea and diammonium phosphate, should be applied six hundred and sixty-seven √ dosage 10-15hS four Mid month to five The last ten days of the month is the stage of budding and flowering of roses. During this period, the lack of fertilizer and water will directly affect the yield and quality of fresh flowers, making the flowers small petals thin, reducing the oil content, and causing a large number of buds falling six hundred and sixty-seven √ dosage 15-20ke If the soil is dry during each fertilization, irrigation should be conducted once after fertilization. eight Mid to mid month ten In the middle of the month, the branches and leaves gradually stop growing, and a large amount of nutrients accumulated by photosynthesis flow back to the root system. In this period, organic base fertilizer should be applied instead of quick acting nitrogen fertilizer. When applying human base fertilizer, deep ploughing should be combined at the same time 667m2 consumption 2500-50001q And then proceed one Irrigation in winter.

four Pruning and pruning Rose pruning can be divided into winter and spring pruning and post flowering pruning. Pruning in winter and spring is carried out after the rose leaves fall and before germination. The main pruning method is sparse cutting, and thick branches are selected for each cluster 15- Add branches, large space can be appropriate short cut, promote branch, to ensure the yield of flowers. It is necessary to cut the rosebush with growing vigor and more old branches properly, so as to concentrate nutrition, promote the germination of new branches and restore the growth vigor. Pruning after flowering is carried out after the flowers are harvested. It is mainly used to remove the dense branches, Cross branches and overlapping branches from the plants with vigorous growth and dense branches. However, it should be cut lightly, otherwise the balance between the ground and underground will be imbalance, resulting in adverse consequences. The main diseases and insect pests of rose are induced disease, black spot, powdery mildew, scarab, longicorn, red spider, etc. It is usually sprayed before germination five Stone sulfur mixture can eliminate overwintering diseases and insect pests; four Spraying in the first ten days of the month zero five %Phoxim was used to control Scarab and weevil; 5-6 Monthly spray zero five %Acarid and zero point one two five %Dicofol was used to control spider mites; 6-8 Monthly spray 2-3 second zero one hundred and twenty-five -0 one hundred and sixty-seven %Or zero five %Bordeaux. At the same time, in the spring or growth period, timely cut off the branches damaged by rust, and catch the beetle, weevil, longicorn larva, etc.

  five Renewal and rejuvenation The high production period of rose is usually in 7-8 Born in, ten The rose can be renewed or rejuvenated gradually. There are mainly two Methods: one is a renewal method, that is, before and after the frost, the rose branches are off the ground 5-60n Cut off all the places, and then use fine soil to cultivate the rosebush into steamed bread shape to stimulate the next year to sprout new branches. In this way, the two There is basically no output per year. The second is the annual renewal method, which is widely used in rose production at present. It is to cut off some dead branches, slender branches, aging branches and pest branches according to the growth situation of rose bush every year, so as to promote the growth of new and tender branches in the flower cluster every year, so as to maintain the vigorous growth of the flower cluster, that is, without reducing the yield, and achieving the purpose of regeneration and rejuvenation.

six Timely harvest four The last ten days of the month six The first ten days of the month are the time to pick roses. The process from bud formation to full bloom of rose can be divided into budding stage, middle bud stage, full bud stage, petal beginning blooming stage, half opening stage and full opening stage six Period. For medicinal roses, the buds should be fully expanded and the petals have not yet cracked, that is to say, the buds should be picked at the full bud stage; for the extraction of rose essential oil, it should be picked at the half open stage, that is, the half opened period. The specific time of picking is in the morning 5-8 Point is the best.

 

 

 

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