Planting Technology Lists
-
How to prevent cherry root cancer?
How to prevent cherry root cancer? The tumor at the cherry root neck is caused by a bacterium belonging to the genus Agrobacterium and is called cherry root cancer. The most obvious symptom of this disease is the formation of spherical or hemispherical nodules at the root neck. The nodules are white and soft in the early stage, then gradually enlarge and lignify. The tumor surface is rough, brown or dark brown. Cherry root cancer often causes poor growth of the plant above ground, yellow leaf color, serious plant death. The pathogenic bacteria of cherry root cancer survive and overwinter in the surface layer and soil of the diseased plant cancer tumor.
2019-01-16 -
How to prevent the harm of red spiders to cherry blossoms?
How to prevent the harm of red spiders to cherry blossoms? Most of the red spiders that harm cherry blossoms are mountain plant leaf mites, also known as mountain plant red spiders. Red spiders mainly harm the leaves of cherry blossoms. In early spring, the adults and nymphs clustered on the back of the leaves, and their mouthparts were pierced into the leaf tissue to suck the juice, so that the affected leaves showed green loss spots, and when the leaves were severe, they scorched and fell off early. The female adult of the red spider planted in the mountain is 0.5 mm long and oval, with 26 bristles on the back of the body. The body of the worm is red, which can be divided into winter and summer types: bright red and silk luster in winter; red when molting in summer, and after feeding
2019-01-16 -
How to deal with cherry blossom root nodule disease
When planting cherry seedlings last spring, the author found nodules in the roots of individual plants. the common symptoms were different shapes, sizes, brown to dark brown colors, and cracked epidermis. It occurs on the ground or near the root neck of the ground, and at the junction of the rootstock and the scion. The damaged plants showed poor growth and dwarfing. After identification and diagnosis, the author thinks that it is a nodule cancer disease, and the seedlings should be treated before planting, the methods are as follows: 1. soak the roots of suspicious seedlings with 1% copper sulfate solution for 5 minutes.
2019-01-16 -
Drug effects of Japanese cherry blossoms
[medicine name]: Japanese cherry blossom [source]: the bark of Japanese cherry blossom, a dicotyledonous plant of Rosaceae. [efficacy]: relieving lung and relieving cough. [indications]: for cough and fever. [classics of nature and taste]: Xin, Ping. Lung meridian. [usage]: oral administration: fried soup, 3-9 grams. [distribution of animal and plant resources]: originally from Japan, it is now cultivated all over China. [Latin name]: Japanese cherry blossom PrunusyedoensisMatsum. [textual research]:
2019-01-16 -
Cultivation and Management techniques of Autumn Cherry Blossom
Autumn application of base fertilizer: generally apply base fertilizer in early September, when the fertilizer has sufficient time to mature, so that the tree can be absorbed and utilized before dormancy. At this time, the roots cut off by fertilization can more and more germinate and absorb a large number of roots, thus improving the absorption and utilization of fertilizer. The main types of fertilization are rotten farm manure, combined with a small amount of chemical fertilizer. In general, 50 to 75 kilograms of soil and miscellaneous fertilizer are applied to each young tree, and the basic fertilizer should not be too deep in autumn, and 40 to 50 centimeters is appropriate. The ditch application method can be used for young trees, and the sprinkling method can be used for strong trees.
2019-01-16 -
Light and delicate winter cherry blossoms
Winter cherry blossom (Cerasuscerasoides), also known as high-basin cherry, winter begonia, belongs to the Rosaceae. The flowers bloom in autumn and winter, the flowers are pink, and the trees bloom brightly when they are in full bloom; the long purple-red tender leaves after the flowers can enrich the hue changes of garden plants in winter and add gorgeous natural landscape to the winter with few flowers. it is of great significance to the winter landscape of cities in the subtropics. Winter cherry blossoms are deciduous trees, up to 3 to 10 meters high. Simple leaves alternate, ovate-lanceolate or long elliptic
2019-01-16 -
Rhododendron of Horse Cherry Blossom
Evergreen shrubs to trees, 2-15 m tall, DBH up to 40 cm, bark gray-brown, thick, irregularly flaky. Leaves leathery, oblong-lanceolate, abaxially densely gray-white to light brown spongy tomentose. Florescence February-May, terminal globose Cymes, 10-20 flowers, Corolla bell-shaped, 3.5-5 cm long, fleshy, deep rose red, 10 stamens, 10 ovaries. The fruit is ripe from October to November. Yunnan, Guizhou, Guangxi and other provinces and regions, Myanmar is also distributed.
2019-01-16 -
Timely control of cherry blossom mulberry white shield scale
The cherry blossom mulberry white shield scale is mainly distributed in the cherry blossom cultivation area, and the occurrence is common. Because of the suitable climate and high humidity in the field, the occurrence is quite serious in some fields. The damage has caused the leaves to basically fall off, and the number of insect population is extremely high and dense, which can be seen as snow white in the near future. It is speculated that the first hatching stage of mulberry white shield scale should be around the end of September. The newly hatched nymph stage is the best time to carry out spray control. All farmers should strengthen the field inspection and control immediately if there is any occurrence, and keep the population base below the allowable economic level. Prevention and cure method
2019-01-16 -
Red leaf cherry blossom
Red-leaf cherry blossom, a variety of magnificent cherry blossoms, has been selected abroad for many years, and its character has been stable. the flowers are very large, light red, double and with long peduncles. They bloom in April and May in Shandong. The flowers bloom before the leaves or bloom at the same time. The leaves are dark red in early spring and bright red from May to July. In the high temperature and rainy season, the old leaves become dark purple, the leaves are large and thick, and the leaves turn orange in late autumn when frost occurs. It is better to propagate red-leaf cherry blossoms by grafting and cutting. Grafting can be done from March to April or from July to August.
2019-01-16 -
Tokyo cherry blossoms
Family and genus: Rosaceae alias: Japanese cherry blossom, Edo cherry blossom morphological characteristics: deciduous trees, dark brown bark, smooth; branchlets hairy when young. Leaves ovate-elliptic to Obovate, 5-12cm long, leaf tip sharply acuminate, leaf base rounded to broadly cuneate, leaf margin apiculate and doubly serrate, dorsal vein and petiole pilose. Flowers white to pale pink, 2--3cm in diameter, often simple, slightly fragrant; calyx tube tubular, hairy; pedicels ca. 2cm, pubescent; 3-6 arranged in short racemes. Drupe, subglobose, black. Florescence in April
2019-01-16