-
Detailed introduction to the new late japonica rice variety Xiushui 217
Xiushui 217 was approved in March 2003 at the 27th variety approval meeting of the Provincial Crop Variety Approval Committee. In the 2000 provincial regional trial, this variety had an average yield of 428.63 kg per mu, 0.14% less than the control Xiushui 63 (not significant); in the 2001 provincial regional trial, the average yield was 509.54 kg per mu, 11.30% more than the control Xiushui 63 (reaching an extremely significant level); the two-year average yield was 5.28% higher than the control Xiushui 63. The two-year average whole growth period was 136.4 days, 2.8 days longer than the control Xiushui 63. 2
-
Liaoshu 324 Sweet Potato Variety Introduction and Key Cultivation Techniques
Variety source: Introduced by the Jinzhou District Grain and Oil Technology Promotion Center from the Liaoning Academy of Agricultural Sciences. Characteristics: The leaves are heart-shaped, dark green in color, with relatively long petioles; the upper part of the petiole and the leaf veins are purple. The vine length is about 110 cm, belonging to the short-vine type, with about 8 branches and a stem diameter of about 1 cm. The root system is well developed, and the tubers are concentrated. The tubers are spindle-shaped, with red skin and yellow flesh, good taste, and high starch content, with a dry matter rate of 30%. It is a dual-purpose type for both eating and processing, with high yield. Cultivation points: row spacing 56-69 cm,
-
Introduction and Characteristics of the Pushu No. 25 Sweet Potato Variety
Characteristics: purple terminal leaves, shallow compound leaf shape, purple veins, green stems, semi-upright plant form, orange-yellow skin, orange-yellow flesh, spindle-shaped and fairly attractive tuberous roots, good storability, poor sprouting ability. Dry matter rate 28.27%, eating quality score 78.3 points, starch rate 15.43%, vitamin C content 25.23 mg per 100 g, carotene content 9.66 mg per 100 g. Moderately resistant to sweet potato bacterial wilt. In the 2002 and 2003 provincial high-quality group regional trials, the average fresh tuber yield was 1832.2 kg per mu, a 15
-
Introduction to the Characteristics and Traits of the Longshu No. 4 Potato Variety
Characteristics: The growth period (from emergence to maturity) is 90-100 days, making it a medium-maturing variety. The plant type is semi-upright, and the mature plant is relatively luxuriant, with a plant height of 50-60 cm, 7-9 branches on the main stem, a stem diameter of 10-13 mm, and green stems. The leaves are dark green with flat leaf margins. The inflorescence peduncle is yellow-green, the corolla is white, the stamens are yellow, there is abundant pollen, fertility is relatively weak, the stigma is 3-lobed, and it occasionally sets fruit naturally. The tubers are oblate or oblate-elliptical, with yellow skin and white flesh, relatively shallow eyes, and a depression at the navel end. Tuber set is concentrated, with 4-7 tubers per plant, and the rate of large and medium tubers is 7
-
Detailed Introduction to the Lianmai No. 2 Wheat Variety
Variety source: Introduced from Japan by the Jinzhou District Seed Company. Characteristics: This variety has wide adaptability and strong tillering ability. The plant is relatively short, with an average height of 80 cm. The leaves are long and broad. It has a high heading rate. The spike is square-conical in shape, with no awns and white glumes. The number of grains per spike is 40-50, and the 1000-grain weight is 33 g. It is cold-tolerant and tolerant of poor soil, and highly resistant to leaf rust and powdery mildew. Cultivation points: It is not tolerant of high density or high fertilizer and water levels during planting. During field management, fertilizer and water should be applied appropriately, with the main approach being "promote early growth and control late growth." The effective spikes and grains per mu are about 480,000.
-
Introduction to the Yumai No. 9 Wheat Variety and Its Cultivation Key Points
Variety Approval Number: Yushenmai 2004001. Breeding Institution: Chongqing Institute of Crop Sciences. Variety Source: Developed through systematic selection from the hybrid combination Mian 91-316/87S64-42. Characteristics: This variety has stable traits, is spring-type and early-maturing, with a whole growth period of 180 days, comparable to Mianyang 26; it has strong tillering ability and vigorous growth; plant height is 83 cm, the spike is conical with long awns, averaging 37 grains per spike, white grains, vitreous, 1000-grain weight 43.4 g, good color change and yellowing, easy threshing. Tested by Sichuan
-
Introduction to the Nanshu 99 Sweet Potato Variety and Key Cultivation Techniques
Nanshu 99, bred by the Nanchong Academy of Agricultural Sciences in Nanchong City, Sichuan Province, is a dual-purpose sweet potato for food and feed. Its young leaves are green with brown edges, and its mature leaves are green; both are pointed heart-shaped and medium in size, with purple veins and vein bases. The plant type is prostrate, the vines are green and medium in length, and it has no natural flowering habit. It produces 3-5 basal branches and 3-5 storage roots per plant. The storage roots are long spindle-shaped, with purplish-red skin and pale yellow flesh. It sets roots early, uniformly and in a concentrated manner, is easy to harvest, and has a rate of large and medium storage roots above 90%. It sprouts early and uniformly, has good sprouting ability, and young
-
A Brief Introduction to the Characteristics and Traits of the A Dao No. 7 Rice Variety
The new late-maturing, high-yield rice variety A Dao No. 7 was introduced by the Fine Seed Multiplication Farm of the First Agricultural Division in 1992 from the Liaoning Provincial Institute of Saline-Alkali Land Improvement and Utilization, and was systematically selected and bred over 5 consecutive years. Characteristics and traits: This variety belongs to the late-maturing, japonica rice type. When sown around the end of April in the Tarim River and Shajingzi reclamation areas, it can fully mature by the end of September, with a whole growth period of 150-155 days. The mature plant height is about 90 cm, the plant type is relatively compact, and it has strong tillering ability. Emergence, heading, and maturity are neat and uniform. The plants are clean and robust, maturing while still green without premature senescence; the panicle position is relatively low, with the flowers hidden among the leaves. The grain
-
Introduction to the Characteristics of the Kongyu 131 Japonica Rice Variety
Bred by the Rice Research Institute of the Heilongjiang Academy of Land Reclamation Sciences. In the 1995-1996 regional trials, the average yield was 6767 kg/hm2, an average increase of 1.6% over the control Hejiang 19; in the 1999 production demonstration, the average yield was 7684.5 kg/hm2, an increase of 8.9% over the control Hejiang 19. The growth period is 127 days, requiring an active accumulated temperature of 2320°C. Plant height is 80 cm, panicle length is 14 cm, 80 grains per panicle, 1000-grain weight is 26.5 g, strong tillering ability, and a high percentage of productive tillers. 199
-
Virus-free Xushu 34 Sweet Potato Slip Variety Introduction
Xushu 34 was developed by the Xuzhou Sweet Potato Research Center through crossbreeding with North China 166 as the female parent and Qunli No. 2 as the male parent. Its original line number is 81-29-34, and it is a high-quality, early-maturing edible variety. Xushu 34 has ochre-red skin and orange-red flesh, a long spindle shape, and good taste whether steamed, boiled, or eaten raw. In many places it has already been finely packaged for supermarkets, and city residents also give it as a gift to relatives and friends. Xushu 34 matures 20~30 days earlier than ordinary sweet potato varieties, allowing early harvest and early market release, filling market gaps, and delivering high economic returns, especially
条件筛选