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Detailed introduction to the potato variety Chuanyu 39
Approved in Sichuan Province in 1996. Cumulative promotion of 2 million mu. (1) Variety source: developed by the Crop Research Institute of the Sichuan Academy of Agricultural Sciences in 1991 through crossbreeding of 379645.4X7XY-1. (2) Characteristics: field observations show that its resistance to viral diseases, late blight, and bacterial wilt is stronger than that of Chuanyu 56 and Mira. (3) Yield performance: in multi-site trials from 1922-1994, the 3-year 21-site average fresh tuber yield per mu was 1571.8 kg, a 14
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Introduction to the Gangyou 725 Rice Variety and Its Key Cultivation Points
This variety was developed by the Mianyang Institute of Agricultural Sciences in Sichuan Province. Main characteristics: this variety is a three-line hybrid rice variety of the medium indica late-maturing type. Its whole growth period is comparable to that of Shanyou 63, it has good yield potential and wide adaptability, and it is susceptible to rice blast. Suitable areas: this variety is suitable for planting as single-season medium rice in the flatland and hilly areas of Sichuan and in areas of Guizhou Province below 1100 m in altitude.
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Detailed introduction to the rice variety Guyou No. 14
After the "father of hybrid rice" Yuan Longping bred hybrid rice in the 1970s, the world experienced a second Green Revolution. However, hybrid rice seed production procedures are complicated and expensive, and there are many fake seeds on the market. How to breed apomictic rice that can be used as seed generation after generation became the long-cherished wish of many breeders. Now, apomictic rice bred by researcher Chen Jiansan, a famous breeder at the Chinese Academy of Agricultural Sciences, and other experts has realized this wish. The biggest features of apomictic rice: besides not needing annual seed production, it has also made great breakthroughs in rice quality, yield and resistance
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Introduction to Prevention and Control Methods and Technical Key Points for Chicken Mites
Chicken mites are a common external parasite of chickens. Prevention and control: (1) Thoroughly disinfect the chicken coop. (2) Soak the affected chicken's feet in warm soapy water to soften the scabs, then remove the scabs, apply 20% sulfur ointment or 10% dimecron ointment or 2% carbolic acid ointment, and apply again after an interval of several days. Using 0.1% trichlorfon solution, first soak the affected chicken's feet in the solution for 4-5 minutes, scrape off the scabs, then scrub the affected area with a small brush.
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AM89-9 Soybean Variety Introduction and Main Characteristics
AM89-9 soybean was developed in 1989 by sexual hybridization from flat-stem soybean. After 10 years of breeding, trial planting and strict purification and rejuvenation selection, it stood out in the soybean kingdom and became a pearl in the soybean kingdom. Since its promotion in 1996, it has consistently won people's affection and is called "the king of kings among soybeans". Characteristics: growth period 115-120 days, 100-seed weight 20-21 grams (100-seed weight of foundation seed 18-19 grams). Plant height 100 cm. Pods are mainly set on the main stem, which generally has 22-25 nodes, with an average internode length of 4-6 cm. Pod-setting position is low, apical dominance is strong, average pods per plant 130, tolerant of continuous and repeated cropping, strong stress resistance, good yielding ability. Yield performance: on plots with good fertilizer and water conditions, yield per mu can reach 550-600 jin. In 1996, in Chentun Village, Dashi Township, Beining City, it reached as high as 598 jin. Adaptation range: Liaoning, Jilin and southern Heilongjiang. Areas with fertile soil are best. Cultivation points: seeding rate 3-4 kg per mu. In Liaoning, this variety is generally sown in early May, and sparse planting is advisable, with a plant spacing of 10-13 cm. It likes fertilizer and water; apply 20,000-30,000 jin of farmyard manure per hectare as base fertilizer, with N:P:K at 4:10:6. During the growth period, hoe and ridge in time, and spray chlormequat to control plant height at about 1 m.
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Introduction to the Characteristics and Traits of the Cangdou No. 4 Soybean Variety
Cangdou No. 4 was bred by the Cangzhou Academy of Agricultural Sciences of Hebei Province, and was approved by the National Crop Variety Approval Committee in 2000. Characteristics and traits: This variety has a growth period of 92-94 days and is an early-maturing summer-sown type. Plant height is 75-80 cm, the main stem has 15-16 nodes, pod-setting height is 10-15 cm, there are 1-15 branches, and 35 effective pods per plant. Round leaves, purple flowers, brown pubescence, semi-determinate pod-setting habit, deciduous. Seeds are round, the seed coat is yellow and glossy, with a dark brown hilum. Suitable areas: suitable for planting in the summer soybean production areas of Hebei, Shandong, and Shan
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What are the characteristics of hydrangea? An introduction to its morphological features and growth habits
Shrub, 1~4 m tall, branchlets stout, lenticels prominent. Leaves opposite, large and glossy, obovate to elliptic, 7~15 cm long, margins coarsely serrate, glabrous on both surfaces. Terminal large corymb, flat-spherical, up to 30 cm in diameter, almost entirely composed of sterile flowers; flowers initially white, mostly turning pink in alkaline soil and blue in acidic soil.
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What flower is Lilium enchantment? Introduction to a Dutch lily variety
Lilium enchantment morphological characteristics: a perennial herbaceous plant of the genus Lilium in the family Liliaceae, with a plant height of 40-60 cm. The stem is upright, and the bulb is flattened and spherical. The leaves are lanceolate. The flowers are trumpet-shaped, orange-red, upright, with petals curling outward, and the flowering period is from May to June. The capsule is yellow-brown, and the fruiting period is from September to October. Habitat and distribution: it prefers a warm, sunny environment, is cold-tolerant, and is suitable for growing in loose sandy loam. It is propagated by sowing or dividing bulbs. This species originates from the Netherlands and Beijing.
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Introduction to the Characteristics and Cultivation Techniques of the Jinling Long Jujube Variety
Jinling Long Jujube: the fruit is large, long cylindrical in shape, with a longitudinal diameter of 4.30 cm and a transverse diameter of 2.98 cm. The average single fruit weight is 20.60 g, with a maximum of 28 g. It ripens 20 days earlier than the Dong jujube. The flesh is dense, crisp and juicy, with total sugar of 31.15%, total acid of 0.43%, and Vc of 368.6 mg/100 g, giving it high fresh-eating quality. Jinling Round Jujube and Jinling Long Jujube are collectively known as "Chaoyang Jinling Jujube" and are currently the most cold-tolerant new large-fruited fresh jujube varieties in China. Through nearly ten years of breeding research, on September 19 and September 2
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Introduction to the Spring Potato No. 4 potato variety and its cultivation key points
Breeding institution: Jilin Provincial Institute of Vegetables and Flowers. Approval status: approved by the Jilin Provincial Crop Variety Approval Committee in 1993, and by the National Crop Variety Approval Committee in 1997. Variety registration number: GS05002-1997. Variety source: Wensheng No. 4 X Kexin No. 2. Characteristics: the plant is upright and luxuriant, with a plant height of about 90 cm, thick stems, dark green leaves, and purple flowers; it has strong growth vigor, sets many tubers in a concentrated manner, and the tubers are oblate with white skin and white flesh, and the potato skin has a net
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