Three-season pear
Source of variety: originally from France, preserved by Dalian Agricultural Science Research Institute.
Characteristics: the crown is inverted conical, the young trees are upright, and the adult trees are semi-open. The flower buds germinated in late March, flowered from late April to early May in Dalian, and the fruit was harvested in early August. Generally, it began to bear fruit 3-4 years after planting, and entered the full fruit stage in 8-10 years. The plant yield was 50-100kg and the yield per mu was 3000kg. The ability to resist black leaf disease is medium, the ability to resist insects is strong, the ability to resist cold is medium, and it is more resistant to wind. The fruit is large, the average weight of single fruit is 202.7g, the maximum weight of fruit is 247g, it is gourd-shaped, the pericarp is yellowish green and turns green after ripening. The flesh is yellowish-white, fine, soft, less stone cells, more juice, sweet and sour taste, soluble solids content of 10.4-12.6%, with clear flavor, medium-to-high quality.
Main points of cultivation: the row spacing of planting plants is 3 × 5m or 2.5 × 5.5m, and 40-53 plants are planted per mu. The evacuation stratification or spindle pruning of apple trees is adopted to give consideration to short cutting, thinning and slow release, but there can be a little more backbone branches. Strengthen fertilizer and water management and apply more organic fertilizer to catch the budding stage of overwintering larvae of pear borer and the control of 3rd and 4th generation larvae of pear borer. Prevention and treatment of black leaf disease should pay attention to less Bordeaux liquid, try to use other fungicides such as methyl topiramate and so on.
Experiment and demonstration: this variety has strong adaptability to natural conditions and is widely cultivated in Dalian, Shandong Jiaodong and other places.
- Prev
Processing and Utilization of Xiantao protein Powder and Red Peach Square tablets
1. With the increasing improvement of social living standards, modern people have higher requirements for youth, health and longevity, so a large number of funds have been invested in the development and production of health products. For a time, the health products industry has become the most popular industry, and is also known as the "sunrise industry". Xiantao protein powder is a kind of health food with development prospect, which is worth popularizing. (1) the product characteristic peach is known as "Xiantao" and "Birthday Bun with Bean Paste Filling". The Emperor's Internal Classic lists peach as the first of the five fruits.
- Next
Problems that should be paid attention to in the use of pear fruit dilatins
Pear fruit expander is a plant growth regulator developed and utilized in recent years, and its effect is to promote fruit cell hypertrophy, especially in early and middle ripening pears. However, the improper use of pear fruit dilatins, not only can not achieve the desired effect, but also cause side effects. Therefore, pear trees that use dilatins must keep up with water and fertilizer, especially all-element chemical fertilizers to ensure sufficient nutrients to meet the needs of fruit growth and development, so as to achieve the ideal effect. In addition, it should be picked at the right time.
Related
- Moge, come on! The staff of the peasant association in the producing area of cantaloupe were frightened when the crowd gathered.
- Causes and Solutions of low Fruit setting rate of Apple
- Symptoms and control measures of passion fruit virus disease
- Fruit growing lesson: how do apple orchards keep high yields?
- Can you build orchards in the mountains? What are the pros and cons?
- How to manage the coloring period of Crisson grape?
- This paper introduces the processing technology of two kinds of fig products.
- How much is a month for retired teachers in rural areas by 2020?
- How can strawberry planting increase sugar content? We should pay attention to management in many aspects.
- What are the cultivation techniques on how to improve the yield of golden fruit?