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Introduction to the Characteristics of the Shuchazao Tea Tree Variety
Crop type: Tea tree. Variety name: Shuchazao. Breeding institution: Shucheng County Agriculture Bureau, Anhui Province. Variety source: Selected from a single plant in the Shucheng population. Provincial approval status: Approved in 1996 by the Anhui Provincial Crop Variety Approval Committee. Characteristics: Belongs to the shrub type, medium-leaf class, early-sprouting variety. The tree posture is open, with relatively dense branching, and leaves are borne in an upward-slanting arrangement. The leaf shape is long elliptical, the leaf color is dark green and glossy, the leaf surface is raised, the leaf body is slightly rolled backward, and the leaf margin is wavy. The buds and leaves are light green, with medium fuzz; the weight of 100 buds of one bud and three leaves is 58.2 grams. Strong bud-developing
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Detailed Explanation of Key Techniques for Transplanting Large Suckling Pear Trees
1. Selection of trees for transplanting Any pear tree without serious pests or diseases can be transplanted, but practice has shown that selecting younger trees (under 20 years old), with lower trunks and relatively complete crowns, results in a higher survival rate. 2. Treatment of trees for transplanting Before transplanting, saw off diseased and pest-infested branches, branches positioned too high, excessively dense large branches at the base, and transitional branches between layers, while appropriately retaining lower scaffold branches, small branches under 2 years old, and branches in better positions. In September, root pruning should be carried out on the large trees to be transplanted, so that they form callus tissue
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Technique for Top-Grafting Mixed Pear Trees to Nanguo Pear in Western Liaoning
1. Re-grafting. Whether a mixed pear top-grafted to Nanguo pear has survived can be determined 20 to 25 days after grafting. On surviving Nanguo pear scions, the bark remains green, and the buds begin to sprout; those that have not survived show shrunken, dried bark. Re-graft those that failed as soon as possible: in spring, cut off the dead stub and then cleft-graft; in summer, after the bark slips, green-wood bark grafting can be used. After re-grafting, cover promptly with paper bags to aid survival. If plastic bags are used, the high outside temperature can easily cause the scions to lose water. 2. Unbinding. After spring cleft grafting or side-veneer grafting, the new
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How to control the Japanese wax scale on goldenrain tree? First understand its occurrence pattern
The Japanese wax scale (Ceroplastes japonicus Gr.) belongs to the order Homoptera, family Coccidae. Also known as the Japanese wax scale and the jujube armored wax scale, commonly called the jujube louse. When it breaks out over large areas on goldenrain trees, in severe cases the entire tree's branches and leaves are covered with the insects, and female insects attached to the twigs look like snow from a distance. The nymphs suck sap on the leaves, and their excrement covers the whole tree, weakening the tree's vigor and seriously affecting the landscaping appearance. Through two years of investigation and study, the occurrence pattern of this pest was clarified, and a satisfactory control method was found. This pest
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Introduction to the Characteristics of the Gancha 2 Tea Tree Variety
Crop type: Tea tree. Variety name: Gancha 2. Breeding institution: Tea Research Institute of the Zhanggongshan Reclamation Farm, Wuyuan County, Jiangxi Province. Variety source: Fuding Dabaicha x Wuyuan population variety (natural hybridization). Provincial approval status: Approved in 1993 by the Jiangxi Provincial Crop Variety Approval Committee. Characteristics: Small tree type, medium-leaf class, early-sprouting variety. The tree posture is semi-spreading with moderate branching, and the leaves are borne in an upward-slanting arrangement. The leaves are elliptical, light green in color; the buds and leaves are light green with abundant fine hairs; the weight of 100 buds with three leaves per bud is 7
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Symptoms and Control Methods of Tea Tree Crown Gall
Symptoms It occurs in Anhui, Zhejiang, Guangdong and other provinces. It mainly damages the roots. When the main root and lateral roots are infected, light brown spherical small protrusions first appear on the diseased part, then expand into tumor-like growths, small ones resembling grains of rice, large ones resembling broad beans, and multiple small tumors gather together into large tumors. In the later stage, the diseased tumors turn brown and become lignified, with a rough surface and hard texture. When cuttings and seedlings are infected, they have few fibrous roots or fail to develop roots, causing the seedlings and plants to become weak or the leaves to turn yellow and fall off, and the plants die. Pathogen Agrobacterium tumefaciens
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Post-harvest management of peach trees must be done promptly, and sooner is better than later
Pruning to promote balance. Peach trees grow multiple times a year, which easily makes the canopy dense, with poor ventilation and light penetration, affecting flower bud formation. Therefore, after harvesting peaches, the crossing branches, overlapping branches, diseased and pest-infested branches within the canopy, and the vigorous water sprouts in crowded areas should be thinned out. For bare and empty areas, ringing (girdling) should be done to promote new shoots to fill the space and increase next year's yield. Thorough orchard cleaning and emphasis on prevention. Combined with shaping and pruning, clean up the peach orchard, remove the pruned branches from the orchard, and at the same time spray once with Jinlishi 6000x solution, 40% Guolong 12000x solution, and amino acid 3
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Detailed Explanation of Tea Tree Cultivation Techniques and Planting Management Methods
Temperature is a fundamental condition for the life activities of tea trees. It affects the geographical distribution of tea trees and also constrains their growth rate. The influence of temperature on tea trees is mainly manifested in two aspects: air temperature and soil temperature. Air temperature mainly affects the growth of aboveground parts, while soil temperature mainly affects root growth. However, air temperature and soil temperature are interrelated. As far as air temperature is concerned, tea trees can adapt widely from tropical to temperate zones. But for growth, there are three cardinal temperatures, namely the starting temperature for tea tree growth, the optimum temperature, and the low
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Detailed Explanation of Tea Tree Variety Regionalization: How Suitable Varieties Are Laid Out in Each Region
Research work on how tea tree varieties are distributed across different regions and how their suitable planting areas should be divided. China's tea regions are vast, spanning from 18°-38°N, 94°-122°E. In terms of vertical distribution, the highest extends to mountains at an altitude of 2600m, and the lowest to low hills at an altitude of only a few meters. The genetic characteristics of tea tree varieties and latitudinal zonality across regions give rise to a certain degree of zonality in tea types and quality styles. Tropical or southern subtropical regions in the south are suitable for the growth of arbor-type large-leaf tea tree varieties and are suitable for producing
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Introduction to the Characteristics of the Longjing 43 Tea Tree Variety
Clonal variety. Shrub type, medium-leaf class, extremely early-sprouting variety. Bred by the Tea Research Institute of the Chinese Academy of Agricultural Sciences from the Longjing variety using systematic breeding. In 1987, it was examined and approved (recognized) as a national variety by the National Crop Variety Approval Committee, with approval number GS13007-1987, and it has won the National Science Conference Award. Characteristics: Medium-sized plant, semi-spreading tree posture, dense branching, leaves growing in an upward-slanting arrangement. Leaves elliptical, dark green in color, flat leaf surface, leaf body flat with slight inward folding, leaf margin slightly wavy, leaf tip gradually pointed, leaf
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