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Detailed Introduction to New Tetraploid Black Locust Varieties
The tetraploid black locust (Robinia pseudoacacia) originated in South Korea and belongs to a new polyploid variety of black locust, introduced to China in recent years. Five lines have been introduced and cultivated so far, divided into two types: fast-growing timber type and forage type. Analysis of experimental results shows that, compared with common black locust clones, the tetraploid black locust has the following main characteristics: (1) The fast-growing timber type is similar to common black locust clones, but its fast growth is more pronounced. One-year-old grafted seedlings can reach a height of 3 m with a ground diameter of 3.5 cm; 3-year-old trees reach 5 m-7 m in height with a diameter at breast height of 6 cm-9 cm. An 18-year-old tree reaches 19 m in height with a diameter at breast height of 24.5 cm and a single-tree volume of 0.
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What are the preservation techniques for shiitake mushrooms? Introduction to commonly used methods
Shiitake mushrooms have a relatively high respiration rate, and in environments with high temperatures and dryness they lose water very easily, causing the fruiting bodies to shrivel; if the ambient humidity is high, they are prone to rot. The preservation and handling methods for fresh shiitake mushrooms are introduced as follows: 1. Low-temperature preservation. When the fruiting bodies are 60% mature, stop watering for 1 day, and harvest on the next morning or before noon. When harvesting, pinch the very bottom of the base of the fruiting body and twist gently to remove it; avoid pulling the stipe so that it breaks or the cap separates from the stipe, or so that substrate is pulled off with it. After harvesting, spread the fresh mushrooms in a single layer in the workroom, light a stove
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What does licorice look like? A detailed introduction to its morphological characteristics
Licorice is a perennial herb, reaching 30-80 cm in height, with rhizomes that mostly creep horizontally. The main root is very long and thick, with reddish-brown outer bark. The stems are upright, bearing short white hairs and bristle-like glands. The odd-pinnate compound leaves have 7-17 leaflets, ovate or broadly ovate, with acute or obtuse tips and rounded bases, bearing short hairs and glands on both surfaces. The papilionaceous corolla is pale purple. The pods are flat, sickle-shaped or curved into a ring, densely covered on the outside with bristle-like glands. The flowering period is June to July, and the fruiting period is July to September.
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Introduction to the Characteristics of the Cotton Elite Variety Xinqiu 2
Characteristics: A mid-maturing first-generation hybrid variety with introduced insect-resistance genes. In the Yellow River basin cotton region, the spring-planted growth period is 120 days. Emergence is relatively late, seedling vigor is weak, mid-season vigor is strong, and late-season vigor declines, with average leaf function. The plant type is compact, plant height 100 cm, leaves medium-sized and dark green, the first fruiting branch node at 7.5 nodes, 17.6 bolls per plant, bolls oval, easy boll opening, single boll weight 6.0 g, lint percentage 41.6%, seed index 10.1 g, pre-frost flower rate 96.5%. Tolerant to fusarium wilt, tolerant to verticillium wilt, resistant to cotton bollworm; HV
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Introduction to the new cotton variety Shannong Shengza 3
Shannong Shengza 3 (registration number: Guoshenmian 20007006). Breeding units: Shandong Agricultural University, Shandong Shengfeng Seed Industry Technology Co., Ltd. Characteristics: a middle-maturing hybrid first-generation variety with introduced insect-resistance genes, with a growth period of 122 days when planted in spring in the Yellow River basin cotton region. The plant is relatively loose, with a plant height of 100.4 cm, 17.3 bolls per plant, oval bolls, relatively thin boll husks, and open and concentrated boll opening, with a single boll weight of 6.3 g, lint percentage of 40.0%, seed index of 11.5 g, and pre-frost flower rate of 94.1%. Tolerant to fusarium wilt, tolerant to verticillium
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Introduction to the new cotton variety Runhe Selection Line No. 1
Characteristics: This variety has a growth period of 128 days, emerges well, and grows vigorously with light green leaves; it grows steadily at the bud stage, with strong lateral branch extension ability, medium-sized leaves, and strong boll-setting ability. Boll setting is uniform on the upper, middle, and lower fruiting branches, the boll-setting rate on the Y-shaped fruiting branches is high, and the yield increase potential per plant is great. The pre-frost flower rate is over 90%, the boll weight is 5.6 grams, and the lint percentage is 40.5%. The lint yield per mu reaches more than 110 kg, and in high-yield plots it reaches 150 kg. Disease resistance: This variety is highly resistant to cotton bollworm, resistant to Fusarium wilt, and resistant to Verticillium wilt, and has broad adaptability.
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Detailed Introduction to the New Cotton Variety Qiule 5
Characteristics and Traits: This variety has a growth period of 128-130 days, maturing 2 days earlier than Zhongmian 41, belonging to the medium-early maturing category. The plant type is medium, tower-shaped, slightly compact, with medium leaves that are relatively dark in color. The stems and leaves are densely covered with fine hairs, the fruiting nodes are relatively short, boll-setting ability is strong, the lint separates easily, making picking easy, and the fiber color is pure white. Boll setting and boll opening are concentrated, with strong earliness, high yield, stable yield, and stress resistance. Single boll weight is 5.6 grams, seed index is 10.3 grams, lint percentage is 39.32%, pre-frost boll rate is 92.53%, and fiber quality is excellent. Cultivation Points: This variety is suitable
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Introduction to Tylosin (Tylan), a Commonly Used Macrolide Antibiotic in Duck Clinical Practice
Source and properties: This product is extracted from the culture broth of Streptomyces fradiae. It is a white crystalline substance, weakly alkaline, and slightly soluble in water. Its salts are readily soluble in water. Tylosin tartrate, tylosin hydrochloride, and tylosin phosphate are commonly used in clinical practice. Actions and uses: This product is an antibiotic specifically for livestock and poultry, with antibacterial activity against Gram-positive bacteria and some Gram-negative bacteria, such as Staphylococcus aureus, Streptococcus pyogenes, Mycoplasma, and Spirochetes, all of which it inhibits, and it is especially effective against Mycoplasma. However, its effect against Gram-positive bacteria is not
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How good is Hanadao 65? An introduction to its variety characteristics and cultivation points
Hanadao 65 is a new dryland rice line newly bred by China Agricultural University. It is of the japonica type with strong drought resistance, and its whole growth period is 95-125 days. In Hejian City, Hebei Province, it was planted on demonstration plots of 405 hectares from 1997 to 1999, generally yielding about 400 kg per 667 sq m, with high-yielding plots actually producing 457 kg (sown after wheat stubble from June 15-20, with a growth period of 105-110 days). Characteristics and features: plant height 85-105 cm, relatively thick and sturdy stems, compact plant type, flag leaves held upright, dark green leaf color, strong lodging resistance, high resistance to rice
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Detailed Introduction to the Danjing 8 Upland Rice Variety
1 Variety origin: Danjing 8 was developed by the Dandong Academy of Agricultural Sciences in Liaoning Province through hybridization and selection in 1987. It was approved by the Liaoning Provincial Variety Approval Committee in 1999. 2 Characteristics and traits: When planted in upland fields in Liaoning Province, the growth period from emergence to maturity is about 130 d, requiring an active accumulated temperature of 2720°C; it is a medium-maturity variety. Plant height is around 95 cm, with thick and sturdy stems, relatively dark green leaves, relatively short leaf blades, and a relatively compact plant type. Tillering ability is relatively strong, the root system is well developed, and the stems remain green at maturity. The number of effective panicles is about 230,000 panicles/667 sq m, semi-compact panicle type, panicle length 1
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