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How to prune pear trees with an unreasonable structure
Currently, many pear orchards use high-density planting techniques for production. The single-layer high open-center form of pear trees is a tree form suitable for high-density pear orchards. Its suitable density is 44 trees planted per mu. The tree structure is a trunk height of 60-80 cm and a tree height of 3-3.5 m. The top of the central leader
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How to renovate and upgrade old apple-pear orchards? Technical details
How to renovate and upgrade old apple-pear orchards? Renovation and upgrading technology for old apple-pear orchards. Fund projects: Jilin Province Science and Technology Innovation and Entrepreneurship Project for Returned Overseas Students (2013), Special Project for the Construction of the Modern Agricultural Industry Technology System (CARS-29). 1 Thinning the 20th...
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How to control the oriental fruit moth? Integrated control techniques for export pear orchards
Integrated control techniques for the oriental fruit moth in export pear orchards. In recent years, the area of export pear orchards in Botou has continued to expand, but with the banning of organophosphorus pesticides that were formerly highly effective and the restricted use of chlorpyrifos and others, combined with a large amount of irrational pesticide use leading to increased pest resistance...
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Practical experience in rejuvenating old pear orchards: achieving both stable yield and improved quality
Practical rejuvenation of old pear orchards for stable yield and improved quality 1 Orchard renovation methods 1.1 Tree framework renovation Adjusting the tree structure: fix 5-6 scaffold limbs, with 3-4 on the first tier and 2-3 on the second tier, the upper canopy spread less than 1/3 of the lower canopy spread, clear out auxiliary nurturing branches between tiers, control tree height at around 4 m, double-layer open-center form (Figure 1, Figure 2).
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Key Points for Winter Management of Pear Orchards: Good Winter Management Helps Flowering and Fruiting the Following Year
Winter Management Helps Flowering and Fruiting the Following Year: Key Management Points for Pear Orchards in Winter
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Pear trees rest and store nutrients in autumn, and low-yield orchards can be renovated to boost production
Autumn rest and nutrient storage in pear trees: implementing low-yield renovation to promote high yields
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Preparation and Application Methods of Bordeaux Mixture in Pear Orchards
Preparation and Application Methods of Bordeaux Mixture in Pear Orchards
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Can glyphosate be used to control weeds in peach, pear, and plum orchards?
Can glyphosate be used to control weeds in peach, pear, and plum orchards? Please advise and explain. Glyphosate is a low-toxicity, broad-spectrum, non-selective herbicide, widely used for weed control in orchards of cash crops such as fruit orchards, tea plantations, and mulberry plantations, as well as for weed control in no-till fields, along roads, in grassland renovation, and on forest firebreaks, and it has been widely used around the world...
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Key Points and Technical Details for Spring Management of Pear Orchards
In mid-May, some fruit growers in Xinji, Shenzhou and other places found that after spraying pear trees with pesticides, the young fruit of some pear varieties developed black spots, affecting fruit quality. In order to investigate the causes of the black spots, on May 22, Ni Qunzhou of the Shijiazhuang Fruit Tree Research Institute of the Provincial Academy of Agriculture and Forestry Sciences, Liu Pingjun of the Jinzhou Forestry Bureau, and Xie Zhuang Technicians of Zhaoxian County...
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Occurrence and Control of the Comstock Mealybug in Bagged Pear Orchards
One of the main pests that enter the bag. The calyx depression and stem depression are the most severely affected. Purple-red halos appear at the damaged spots, growth stops, and deformed fruit forms; in severe cases, the fruit surface cracks and dries up. This pest generally has 3 generations per year, mainly overwintering as eggs or 1st to 2nd instar nymphs on branches and mummified fruit, with a few overwintering as fertilized females; when the pear tree buds in the following spring, the eggs hatch into nymphs. Activity begins in April of the following year, the first generation reproduces in May-June, the second generation in July-August, and the third generation in September-November. Pesticides with good control efficacy against this pest include 40% omethoate
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