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What kind of tree is the golden-leaf dawn redwood?
The golden-leaf dawn redwood (M. glyptostroboides 'GoldRush') is a cultivar of the dawn redwood developed in recent years. It is a fast-growing, vigorous deciduous tree with reddish-brown bark; its leaves are flat and linear, arranged in 2 opposite rows on short shoots; the new leaves remain golden yellow through all three seasons of spring, summer and autumn. The golden-leaf dawn redwood is mostly introduced from Japan, has relatively strict requirements for microclimate, demands fairly high air humidity, and prefers a humid climate. At present, in Beijing, Jiangsu, Shanghai, Zhe
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Detailed Explanation of the Key Points of Golden Privet Cutting Propagation Techniques
Golden privet's golden leaf color and its pruning tolerance make it widely used in landscaping. To propagate golden privet rapidly in large quantities, improving its cutting survival rate is crucial. We now share our years of cutting experience for everyone's reference. Use two-year-old new shoots of golden privet, preferably the lignified portion, cut into cuttings about 15 cm long, remove all the lower leaves, keep only 2 to 3 leaves at the top, make a flat cut at the upper cut 1 cm from the upper bud, and make a slanted cut at the lower cut on the back side of the bud into a horseshoe shape. Use coarse sandy soil as the cutting medium, disinfect with 0.5% potassium permanganate solution
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How to prevent and treat leaf spot disease in golden privet
Diseased leaves develop nearly circular brown spots, often with concentric rings, and the outer edge is usually yellow. In the early stage the spots are relatively small; after expanding, the spots reach more than 1 cm in diameter, and sometimes the spots merge into irregular shapes. Diseased leaves drop from the branches very easily, thereby causing the phenomenon of bare branches and stems on golden privet in severely affected areas. The first occurrence period is early April, and the peak periods are July to August and October; from mid-May to mid-August and from mid-September to early November, use 47% Meike at 3000-4000 times dilution, 1% Junliting at 2
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High-grafting method for large-leaf privet and golden-leaf privet
Large-leaf privet (Ligustrum lucidum) and golden-leaf privet (Ligustrum × vicaryi) both belong to the Oleaceae family and the Ligustrum genus. The former is a fine sub-tree for landscaping, but because it is so common, it is often overlooked. The latter is a colored-leaf tree species that has been widely used in recent years. Because golden-leaf privet is a shrub, this limits its practicality. In order to expand the landscaping functions of both, the author used the method of high grafting to draw on each other's strengths to achieve this goal. The steps are as follows: in spring, use branch grafting or bud grafting (after the sap has begun to flow, and preferably before bud break). Use large-leaf privet with a diameter at breast height of 3 cm to 4 cm as the rootstock,
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Common Pests and Diseases of Golden Privet and Their Control Methods
Content: We have a large area of golden privet (Ligustrum vicaryi). Every year in the hot, humid season, the leaves drop in patches until the plants turn yellow and wither. What is the cause, and how can it be controlled? Reply: It may be "golden privet leaf spot" caused by a fungus. Once the plum rain season ends, it spreads everywhere, and affected golden privet quickly loses all its leaves. It is generally caused by planting density being too high, and in recent years it has appeared in large numbers in Shanghai. Control: spray with a fungicidal pesticide.
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Control Methods for Common Diseases and Pests of Golden Privet
The diseases commonly affecting golden privet (Ligustrum vicaryi) mainly include: leaf spot, ring rot, and sooty mold. The main pests include: scale insects and white grubs. Brown spot disease Brown spot disease is the most serious leaf spot disease of privet and is caused by pathogenic fungi. In the early stage of the disease, small brown spots appear on the leaves, surrounded by purplish-red halos, and black mold-like substances are visible on the spots. As the temperature rises, several spots sometimes merge together, and eventually the leaves wither and fall off. The optimum temperature range for the growth of this pathogen is 25°C to 30°C, and the optimum temperature for spore germination is 1
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What are the common pests of golden privet (Ligustrum vicaryi)? A detailed guide to control methods
Golden privet (Ligustrum vicaryi) is a semi-evergreen small shrub of the genus Ligustrum in the family Oleaceae. Because its young shoots are golden yellow and it tolerates pruning and drought, it is often combined with red-flowered Loropetalum (Loropetalum chinense var. rubrum), azaleas (Rhododendron) and Chinese juniper (Juniperus chinensis) to decorate flower beds and green belts. High-density planting often makes pest problems more severe, causing new shoots to grow slowly or not sprout at all, weakening the plants and even killing them. The common and most damaging pests of golden privet are: the citrus mealybug (Planococcus citri), the privet leaf-mining flea beetle, and the yellow-ringed silk-fringed pyralid moth. 1 Citrus mealybug adults and nymphs rest on the branches and leaves of golden privet and suck plant sap with their piercing-sucking mouthparts,
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Key Points of Softwood Cutting Propagation Techniques for Golden Privet
Golden privet (Ligustrum × vicaryi) is a small shrub of the genus Ligustrum in the family Oleaceae. Its young leaves are golden yellow, while the older leaves are green and glossy. It has strong adaptability and requires only extensive management, making it a commonly used tree species in landscaping today. A brief introduction to the softwood cutting propagation techniques for golden privet is given below. 1. Site selection and land preparation: Choose a loose, fertile, flat plot with good drainage. Apply 125 kg of superphosphate per mu, deep plow 15 cm, then break up the soil and rake it level, and make raised beds 1.2 m wide with ditches 20 cm deep. 2. Cutting selection: First, select good mother trees. Generally speaking, the older the tree
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Detailed Explanation of the Key Techniques for Propagating Golden Privet (Ligustrum vicaryi) from Cuttings
I. Preparation of the cutting bed. First dig the cutting bed and firm the surrounding edges. Fill the bed with substrate in layers: spread 10 cm of cinder at the bottom layer to aid drainage, spread 10 cm of humus soil in the middle layer, and spread 5 cm of coarse sand on the top layer, then level the bed soil and set it aside. Finally, build an arched shed with bamboo strips and plastic. II. Cutting treatment. Select one-year-old branches cut from greening plots and roadside green belts, cut them into cuttings about 15 cm long, and keep 1-2 leaves at the top of each cutting. Because privet has dense axillary buds and a relatively high survival rate, no chemical solution treatment is needed before insertion. III. Inserting the cuttings.
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What are the propagation methods for golden privet?
Easy to grow and requiring only minimal care, golden privet (Ligustrum × vicaryi) is generally propagated by cuttings, with a rooting rate of nearly 100% and a survival rate of up to 95%. It has a well-developed root system and strong absorbing capacity, so it needs no fertilizing when grown in ordinary garden soil. It sprouts suckers readily and tolerates pruning well, so it is very easy to train into a ball shape during cultivation. Its branches and leaves are dense, making it suitable for growing as a low hedge; pruning it twice a year is enough to achieve an excellent foliage display.
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