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Peach Tree Technology Home-Study Manual: A Practical Guide for Fruit Growers
1. Variety Introduction 1.1 Early Red Flat Peach (Zaohong Pantao): single fruit weight 110-200 g; the fruit surface is pink-red, beautiful and vivid, firm-fleshed, crisp and juicy, intensely sweet and fragrant, of the highest quality, storage- and transport-tolerant, ripening in mid-June. 1.2 Okubo: average single fruit weight 250 g, large fruit weight 700 g, good flavor, sweet-tart and palatable, freestone, ripening at the end of July. 1.3 Jingyu (Beijing No. 14): fruit elliptical or nearly round. Single fruit weight 195 g, maximum fruit weight 233 g, fruit surface light
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What is the box tree pyralid, an insect found beside vegetable fields?
As spring warms and flowers bloom, insects begin to become active. During a recent science-and-technology outreach activity in the countryside, it was found that a pest called the box tree pyralid had begun to occur and cause damage on boxwood along the roadsides of the park. The box tree pyralid is one of the common pests on plants such as boxwood, small-leaved box, large-leaved box, littleleaf box, Chinese box, spoonleaf box, Korean box, and holly, and it occurs in Shanghai and other provinces and cities. In Shanghai it has 3 to 4 generations per year, with severe overlapping of generations. It usually becomes active in March in spring, begins pupating in mid-April, begins emerging in late April, and the first-generation lar
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What are the characteristics of the Korean pine tree species? Learn about Korean pine characteristics in one article
The characteristics of the Korean pine tree species are: an evergreen tree of the pine family (Pinaceae). It can reach 50 m in height and 1.5 m in diameter at breast height. The trunk is straight and full, and the crown is conical. The tree can live more than 500 years. It is one of China's precious timber tree species. Because the trunk is straight, the wood quality is good, the lumber yield is high, and the decay resistance is strong, its craft value is extremely high. It is an excellent timber for construction, aviation, utility poles, sleepers, bridges, vehicles and ships. It is also a superior raw material for making various molds, plywood, musical instruments and sports equipment. In addition, Korean pine can also be tapped for resin; the bark can
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In which regions are Korean pine (Pinus koraiensis) tree species mainly distributed?
The distribution area of the Korean pine (Pinus koraiensis) tree species is: Korean pine is produced in the mountainous areas of Heilongjiang, Jilin and Liaoning in China at altitudes of 300 to 1800 m. Its natural distribution roughly coincides with the range extending from the Changbai Mountains and the Greater Khingan Mountains. It has been introduced and cultivated in Beijing and in such places in Shandong as Mount Tai, Mount Lao and Mount Kunlun. Korean pine has a fairly wide tolerance for light conditions, and as the tree age increases, its light requirement gradually rises. It most prefers deep, fertile mountain dark brown forest soil with good permeability. Korean pine is a shallow-rooted tree species, its taproot is not well developed, and its lateral roots spread very widely horizontally, which helps it absorb soil nutrients.
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Detailed Explanation of the Causes of Fruit Cracking in Jujube Trees and Prevention Measures
In recent years, the problem of cracked jujubes has been troubling jujube growers, causing varying degrees of loss to jujube production, with losses exceeding 50% in severe cases. The problem of cracked jujubes is the most difficult problem to solve in jujube production, and deserves great attention from fruit tree researchers and jujube growers. Through years of practice, the author has taken targeted measures based on the causes of cracked jujubes, which can effectively solve the problem of cracked jujubes. The summary is as follows for the reference of fruit tree researchers and jujube growers. 1. Causes of cracked jujubes. Cause one: Years of applying chemical
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Detailed explanation of the specific operation techniques for flower and fruit thinning in pear trees
1. Master the timing of flower and fruit thinning. Flowering, fruit set, and the number of cells in young fruit are mostly determined by stored nutrients. Remove as many excess flowers and fruits as possible to reduce wasteful consumption and concentrate all nutrients on the flowers and fruits that should be retained, so they can grow into large fruits. Therefore, from this reasoning, earlier thinning is better: thinning flower buds is better than thinning flowers, and thinning flowers is better than thinning fruits. However, decide whether to thin buds, thin flowers, thin fruits, or combine all three according to the year's flower quantity, weather during the flowering period, tree vigor, fruit-setting ability, and other conditions. For pear orchards with a large flower quantity (an "on" year), good weather, and a heavy workload, you can
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Lessons to Remember After Losing Out by Not Applying Organic Fertilizer to Jujube Trees
This year, the selling prices of jujubes varied greatly. The price differences were mainly due to differences in sweetness and crispness, and apart from varietal characteristics, the main reason for the differences in sweetness and crispness was the different types of fertilizer applied. Currently, it is the second root development period for jujube trees. The first root growth peak occurs from late May to early June after new shoots stop growing, and the second root growth peak occurs from after fruit harvest to early November. From surveys of jujube growers, many farmers are only accustomed to fertilizing fruit trees in spring,
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Dalu Tribute Jujube is a new variety of premium jujube trees
Dalu Tribute Jujube is a newly bred winter jujube variety from the Shandong Province Spark Science and Technology Service Base. Its characteristics are as follows: 1. Extremely attractive appearance. The fruit of this variety is oblong, for fresh eating, with a single fruit weighing over 30 g. The peel is a mix of reddish-brown and emerald green with a waxy luster. The skin is thin and the flesh is crisp, tender and juicy, sweet and fragrant, rich in nutrients and of excellent quality, with a small pit and an edible rate of 95.21%. 2. Extremely late ripening. This variety ripens from late September to early October, making it the latest-ripening jujube variety currently in China. 3.
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Detailed Explanation of Key Techniques for Autumn Management of Greenhouse Apricot Trees
I. Soil, Fertilizer and Water Management 1. Apply base fertilizer early. The time for applying base fertilizer to greenhouse apricot trees should be earlier than that for open-field cultivation, preferably between late summer and early autumn. Applying base fertilizer at this time, due to the high soil temperature, coincides with the peak period of apricot root growth, so damaged roots heal easily, which can promote photosynthesis of aboveground leaves and promote flower bud differentiation. The fertilizer should be mainly organic fertilizer, and the application rate should be 20%-30% more than that for open-field cultivation, applying 3000-4000 kg of decomposed organic fertilizer per mu. Soil fertilization can be combined with autumn deep plowing, and the earlier the better. Usually the strip trench fertilization method is used, at the outer edge of the tree canopy projection
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Cultivation Techniques and Utilization Methods of the Chinese Parasol Tree
As an ancient native tree species, the Chinese parasol tree is mostly planted in courtyards, and it has a legendary quality because of the tale of the Chinese parasol tree attracting the phoenix. However, it is rarely used as a timber tree; according to records, its wood is used to make boxes and musical instruments. I. About the beautiful legend. Mentioning the legend of the Chinese parasol tree attracting the phoenix brings to mind the fine saying, "Plant Chinese parasol trees, and golden phoenixes will come." Legend has it that the phoenix likes to perch in the Chinese parasol tree. In ancient times, it symbolized a good young man, who need not worry that no girl would marry him. In the new era, it has been given new meaning. As long as the environment is good, people will come to invest.
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