-
What kind of fish is the beautiful-banded loach? Introduction to its species characteristics
Common name: beautiful-banded loach. Origin and season: distributed in the Yuanjiang River system. Introduction: The head is slightly flat and depressed, with the cheek area bulging out. The lip surface is smooth or wrinkled. The tooth-like protrusion on the upper jaw is relatively weak, and the center of the lower jaw has a "V"-shaped notch, but it is sometimes not obvious. Body scales are small and fine, distributed only after the origin of the dorsal fin. The lateral line is complete. In small individuals, the head has spots only on the dorsal surface, while in larger specimens there are also spots or markings on the cheek area. A bottom-dwelling fish, inhabiting river sections with fast-flowing water and gravel substrates. The individuals are relatively large,
-
Introduction to the characteristics of the new high-yield soybean germplasm MN413
Origin and breeding process MN413 new soybean germplasm was developed in 1990 by sexual hybridization using the high-yield line MS8118 (subjected to plasma treatment N50 times, 30Kev) as the female parent and Yudou No. 10, and through bulk population and pedigree selection, it was stabilized in 1997 and named MN413 (Mengning 413). In 1998, it participated in the institute's variety comparison and identification, with an average yield of 239.7 kg per mu, an increase of 18.5% over Zhongdou 19, and in a 0.4-mu propagation field the yield reached 274 kg per mu; in 1999, it participated in multi-location trials in the province
-
What kind of chicken is the Xinghua Three-Yellow Chicken? An introduction to its breed characteristics
Its characteristic is the "three yellows," which means the chicken's beak is yellow, its feathers are yellow, and the keratin scales on its toes are also yellow. Among them, capons tend toward orange-yellow, while replacement pullets are pale yellow. In other words, the entire body of this chicken is a uniform yellow. Generally speaking, an adult rooster of this breed weighs about 1.5 kg, while a hen weighs only about 1.0 kg, making it a small-bodied chicken. This breed has full, firm, and well-proportioned muscles all over the body, with skin and flesh tightly attached. The Xinghua "Three-Yellow Chicken" has thin and brittle bones, short and slender feet, and a dressed carcass net meat rate of 92%
-
Introduction to the Longwangmao Cultivar, a First-Grade Elite Kernel Apricot Variety
Longwangmao is currently the only first-grade cultivar among the main kernel apricot varieties grown commercially in China, and is known internationally as "Dragon Emperor Large Almond." The fruit is oblate, with an average single-fruit weight of 18 g and a maximum of 24 g; the skin is orange-yellow and the flesh is thin; the stone is free. The pit yield is 17.5%, and the dry pit weight is 2.3 g. The kernel yield is 37.6%, and the average dry kernel weight is 0.8-0.84 g. The kernels are flat and plump, conical with a flat base; the kernel skin is brownish-yellow, and the kernel flesh is milky white, aromatic and crisp, with a slight bitterness. 5-
-
Introduction to the New Flat Peach Cultivar Ruipan 21
Ruipan 21, a new extremely late-maturing white-fleshed flat peach cultivar bred by the Institute of Forestry and Pomology, Beijing Academy of Agriculture and Forestry Sciences, recently passed variety approval in Beijing. All types of fruiting branches of this cultivar can bear fruit, mainly long and medium fruiting branches, with a high natural fruit-setting rate. The fruit development period is about 166 days, and the annual growth period is about 208 days. The fruit is large, with an average single-fruit weight of 235.6 grams and a maximum fruit weight of 294 grams. The skin is moderately thick and difficult to peel. The flesh is yellow-white, with no red streaks beneath the skin and red near the stone. The flesh texture is hard-melting,
-
Introduction to the excellent potato variety Dongnong 303
Variety Introduction ① Variety origin. An excellent variety bred by Northeast Agricultural College. ② Characteristics. The plant is erect, with thick stems, about 45 cm tall, a spread of 40 cm x 50 cm, moderate branching, green leaves and white flowers. Tubers set in a concentrated cluster and high on the plant, making them easy to harvest. The tubers have a good appearance, are oval, with smooth skin, light yellow color, shallow eyes and yellow flesh. The tubers are large and uniform, 6-8 cm long and 5-6 cm in transverse diameter, with 6-7 tubers per plant and a tuber yield of 0.4 kg per plant.
-
Introduction to Superior Potato Varieties
1. Zaodabai: Zaodabai has three outstanding characteristics: First, it is extremely early-maturing. It can be marketed 60-65 days after plastic film mulching. The yield per mu is around 2000 kg. Second, the tubers are concentrated, and the tubers are large and uniform. Third, it has white skin and white flesh, smooth skin, flat-round tubers, and good palatability. 2. Youjin: Youjin tubers are oval-shaped, large and uniform, with yellow skin and yellow flesh, smooth skin, shallow and flat eyes, and plump at both ends. It has good marketability, and the color and taste of fried chips are excellent, making it suitable for fresh potato export and deep processing. It matures 70-75 days after plastic film mulching. The yield per mu is 200
-
Introduction to the Characteristics of the Liaoyan 283 Rice Variety
Breeding unit: Northern Agricultural Technology Corporation. Approval status: approved by the Liaoning Provincial Crop Variety Approval Committee in l993, and by the National Crop Variety Approval Committee in 1998. Variety approval number: Guoshen Dao 980004. Variety source: Zhongdan No. 2 / Changbai No. 6. Characteristics: a japonica rice variety. Plant height 90 cm, 15 leaves on the main stem, leaves erect, stems tough, plant type compact, flag leaf erect. It can reach 300,000-350,000 panicles per mu,
-
Introduction to the Characteristics of the Liaoyan No. 12 Rice Variety
I. Variety Origin: Bred by Panjin North Agricultural Technology Development Co., Ltd. in 1998. This variety is a japonica-type medium-late maturing high-quality rice selected from an M146 mutant. It was approved by Beijing in 2000. II. Characteristics: When transplanted on June 21 in the Beijing region, it heads on August 13, with a whole growth period of 146 days, the same maturity period as Jinzhu No. 1. In Liaoning, the growth period is about 157 days, belonging to a medium-late maturing variety. The seeds have relatively strong germination vigor, the seedlings are relatively strong, the leaves are semi-erect and green, and the root system is well developed; it is tolerant to saline-alkali, drought-resistant, disease-resistant
-
Liaojing 454-18 Rice Variety Introduction
Variety source: Introduced from Panjin by the Jinzhou District Grain and Oil Technology Extension Center. Characteristics: Growth period 156 days, compact plant type, sturdy stems, erect leaves, relatively strong tillering ability, plant height 97 cm, semi-spreading panicle type, 110-120 grains per panicle, 1000-grain weight 26 g, good grain quality, tolerant to fertilizer and water, lodging-resistant, resistant to rice blast, slightly susceptible to rice false smut, very lightly affected by sheath blight, matures with green stems. Cultivation points: Strictly disinfect seeds, dry seedling raising, cultivate strong seedlings, row-to-hole spacing 9 x 4 cun, 3-4 seedlings per hole, apply 65-70 kg of standard nitrogen fertilizer per mu,
条件筛选