Planting Technology Lists
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Yellow Oleander
Name Huanghua bamboo peach alias wine cup flower ThevetiaperuvianaSchum family name oleander genus Origin Distribution: American tropical morphological characteristics: small evergreen trees, 2-5 meters high, plants with milk. Flowering the Summer Solstice in winter. Growth habits: like light, like high temperature and humid climate, strong vitality, moisture resistance, semi-shade resistance, wind resistance, air pollution resistance. Propagation and cultivation: sowing or cutting propagation, seeds should be sowed as they are picked. Miao Gao 1
2019-01-15 -
The distinction between yellow cicada and yellow oleander
The yellow cicada Allemandaneriifolia and the yellow flower oleander Thevetiaperuviana belong to the genus Cicadaceae and the yellow flower oleander genus respectively. They are similar in shape and are often confused. Now the two are distinguished from the three aspects of leaves, flowers and fruits. Leaves: yellow cicada leaves 3 to 5 whorled, elliptic or ovate-oblong, 6 to 12 cm long, apex acuminate, base cuneate; leaves of yellow oleander alternate, linear-lanceolate, 10 to 15 cm long, pointed at both ends, flowering
2019-01-15 -
Fulu Kao Fulu Fuluhua five-colored plum grass oleander Platycodon grandiflorum carnation and plum blossom Xiaoyang
Scientific name: Phloxdrummondii alias: Fuluhua, Fuluhua, Prunus mume, oleander, Platycodon grandiflorum, Prunus mandshurica, Hydrangeaceae and Hydrangeaceae: Huayu (plus grass prefix) family, Fulukao Origin: originated in southern North America, is now widely cultivated all over the world. Source of name: the genus name Phlox means Flame, and the original flower is red because of Phlox. The name of the species is in memory of Drummond. Morphological characteristics: plant height 15 to 45 cm. Stem erect, much branched
2019-01-15 -
Aphid disease of oleander
Morphological characteristics: aphids belong to Homoptera, Aphididae, wingless parthenogenetic aphids: body length 2.3mm, wide 1.2mm, oval, yellow body, obvious markings in the eighth ventral segment. There are obvious reticulation on the body surface. The middle frontal tumor is raised. The top is flat; the antennae are tiled, with a body length of 2 to 3. The ventral tube is long tube-shaped, the tail is tongue-shaped, hanging in the middle, and there are 11-14 long curly hairs on it. Winged parthenogenetic aphids: body length 2.1mm, wide 1.Omm, long ovate; head and chest black; antennae are body length 3 big 4. There are small marginal tumors in segments 2-4 of the abdomen, and the abdominal tube is a long cylinder.
2019-01-15 -
Cultivation techniques of "oleander"
Oleander (Neriummdcum), also known as willow peach, is red for half a year. Oleaceae, genus oleander. It is named because its flowers are like peaches and leaves are like bamboo. The flowers and colors are beautiful, or pink, like peach blossoms, rich and gorgeous, or pure white, as clean as snow, crystal clear, which has been appreciated by people since ancient times. Cultivated everywhere, it is an excellent flowering shrub that blossoms in summer and autumn and can resist pollution. (1) morphological characteristics and varieties of evergreen large shrubs, plant height up to 4 m ~ 5 m, crown spreading, branches erect and smooth, clump
2019-01-15 -
Populus tomentosa scab disease
The pathogen, Coleophora, Coleoptera, Populus tomentosa, Populus tomentosa scab mainly harms leaves and branches. The leaf surface initially appeared round or nearly oval spots with a diameter of 1 mm to 2 mm, and later the diseased tissue dried up and fell off to form a perforation. When the new shoot is infected, there are dark brown round or oval slightly raised spots on the surface, such as scab-like, gray-white in the center. In the later stage, one to two small black spots were produced in the center of the lesion, namely the conidial disk. In severe cases, it causes the leaves to fall off, which eventually leads to the branches.
2019-01-15 -
Fulu Fulu Fuluhua five-colored plum grass oleander Platycodon grandiflorum plum blossom small sky blue hydrangea
Scientific name: Phloxdrummondii alias: Fuluhua, Fuluhua, Prunus mume, oleander, Platycodon grandiflorum, Prunus mandshurica, Hydrangeaceae and Hydrangeaceae: Huayu (plus grass prefix) family, Fulukao Origin: originated in southern North America, is now widely cultivated all over the world. Source of name: the genus name Phlox means Flame, and the original flower is red because of Phlox. The name of the species is in memory of Drummond. Morphological characteristics: plant height 15 to 45 cm. Stem erect, much branched
2019-01-15 -
Seed breeding of Robinia pseudoacacia
Robinia pseudoacacia is a pioneer tree species in barren mountain afforestation, which has the characteristics of barren tolerance, drought tolerance, fast growth rate, wide use and so on. 1. Nursery land selection and seedling preparation should choose flat topography, good drainage, deep soil layer, fertile neutral sandy loam, and land with irrigation conditions. Vegetable plots should not be selected, and continuous cropping should not be selected. After the nursery land is selected, ploughing will be carried out in autumn with a depth of about 30 cm. Rake fine rakes in early spring and apply 5000 kilograms of rotten barnyard manure per mu. The poisonous soil made from phoxim EC should be applied during soil preparation to control underground pests.
2019-01-15 -
The occurrence regularity of Robinia pseudoacacia seed wasps?
The occurrence rule of Robinia pseudoacacia seed wasps is as follows: two generations a year, the second generation larvae overwinter in the seeds, the overwintering generation larvae begin to pupate in the first and middle of May, adults appear and lay eggs in the middle and late days. The second generation larvae appeared from late May to early June, the first generation larvae began to pupate in mid-June, the first generation adults appeared from late June to early July, and the second generation larvae appeared from late June to mid-July and overwintered in the seeds. The occurrence time of each generation varies due to climatic conditions, but it is similar to Robinia pseudoacacia seeds.
2019-01-15 -
What are the characteristics of Xiaofeng of Robinia pseudoacacia seeds? What is the method of prevention and control?
Robinia pseudoacacia seed wasps mainly harm Robinia pseudoacacia. The larvae feed on the seeds in the pods. Adult, about 3 mm long, black, yellowish brown antennae, raised chest, transparent wings, short thorns in cloth, simple wing veins, yellowish. Ovate, fusiform, with long slender stalks at one end. Larva, the last instar body is about 4 mm long, milky white, the head is inconspicuous, the upper jaw is brown, the body is curved. Robinia pseudoacacia seed wasps produce two generations a year. Overwintering as larvae in seeds. In the coming year, it usually pupates from April to May, and adults appear and lay eggs after the first and middle of May.
2019-01-15