Which has a higher yield, small rapeseed or large rapeseed

High yield of large rapeseed.

Different varieties of rapeseed have different oil yields. Generally speaking, the oil yield of rapeseed is about 32%-36%. If the local climatic conditions are good, it is normal for some areas to produce about 38%, and the best rapeseed is in Qinghai, 100 catties of rapeseed can produce more than 40 catties of oil.

Rape cultivated in China can be divided into three types: mustard type, cabbage type, and cabbage type.

Mustard rapeseed has a low oil content, generally 30% to 40%, and the seeds have a pungent taste. The oil content of cabbage-type rapeseed is generally 38% to 45%, and the highest oil content from the Qinghai-Tibet Plateau is more than 50%. The seed oil content of cabbage rape is generally 35-45%, and the maximum can reach more than 55%.

Mustard type. The plant is tall, with slender branches and high parts, and the basal leaves have distinct petioles, and the leaf surface is shrunken, with stinging hairs and wax powder. The flowers are small, the petals are smooth, do not overlap, have a pungent taste, and the number of somatic chromosomes is 18.

Both fine-leaved and large-leaved oilseed rape belong to this type. Most of the rapeseed grown in Anshun area of Guizhou is mustard type.

Cabbage type. It is divided into southern cabbage and northern small rape. The southern Chinese cabbage resembles a small cabbage. Compared with the northern rape, the plant type is larger, the stem is thicker, and the mesophyll tissue is loose. Suzhou Tibetan vegetables and Xinghua rape belong to this type.

The northern small rape, the plant type is short, the branches are few, the stem is fine, the basal leaves are not developed, the creeping growth, the leaf shape is oval, there are obvious qin-like lobes, and there are many spines, and there is a thin layer of wax powder Qinghai Menyuan rape genus this type.

Cabbage-type rapeseed has a short growth period, medium-sized petals, overlapping each other, and a somatic chromosome count of 10.

Kale type. The plant is medium in size, the leaves are thick and waxy, the leaf margins are not deeply carved, the leaves are half-hugging the stem, the leaves on the upper part of the stem are sessile, the flowers are large, the petals overlap, the seeds are large, and they do not have a pungent taste.

The number of somatic chromosomes is 19. Victory canola, Oro canola and European canola all belong to this type.

Zhongshuang No. 11, which is provided by the Oil Institute of the Chinese Academy of Agricultural Sciences, has a high yield, high oil, disease resistance, lodging resistance, and is suitable for mechanized harvesting, with an oil content of up to, and is the first variety with an oil content of more than 49% approved by the state, with an average yield of kilograms per mu and an average oil yield of 82 kilograms per mu, which is higher than that of Qinyou No. 7 and is much better than the international double low standard.

The yield of large oilseeds is high, because large oilseeds are easy to plant, the adaptation environment is low, and the yield of planting is particularly high, small oilseeds are squeezed out of large oilseeds, and 500 grams of large oilseeds can only produce 250 grams of small oilseeds, so the yield is particularly low.

It must be a large rapeseed with a high yield.

The growth characteristics of small rape are that the plants are short, relatively cold-tolerant, drought-tolerant, and the yield is relatively low. The growth characteristics of large rape are that the plant is tall, not cold-tolerant, easy to freeze to death in winter, likes water and fertilizer, and the yield is relatively high.

Especially after the cold dew, the two are even more different, and the yield of small rapeseed can be more than 40% less than that of large rapeseed.

Big rape. Because the growth characteristics of small rape are dwarf, relatively cold-tolerant and drought-tolerant, but the yield is relatively low, and the oil yield is about 30%, while the growth of large rape is characterized by higher plants, not cold-resistant, easy to freeze to death in winter, likes water and fertilizer, the yield is relatively high, and the oil yield is about 35%, so compared with the two, the oil yield of large rape is more.

Large rapeseed. Because the small rapeseed plant is short, relatively cold-tolerant and drought-resistant, but the yield is relatively low, the oil yield is about 30%, while the large rapeseed plant is higher, not cold-tolerant, easy to freeze to death in winter, likes water and fertilizer, the yield is relatively high, and the oil yield is about 35%. Therefore, large rapeseed yields are high.

Definitely big rapeseed high yield!

The yield of conventional rapeseed (small rape) is 150 kg per mu. The yield of hybrid rape (large rape) is 200 250 kg mu.

Big rape. The oil yield is about 30%, while the growth characteristics of large rape are that the plant is taller, not cold-tolerant, easy to freeze to death in winter, likes water and fertilizer, the yield is relatively high, and the oil yield is about 35%, so compared with the two, the oil yield of large rape is more.

Big rape. Big rape. Because the growth characteristics of small rape are short, cold-tolerant and drought-resistant, but the yield is relatively low, and the oil yield is about 30%, while the growth of large rape is characterized by higher plants, not cold-tolerant, easy to freeze to death in winter, likes water and fertilizer, the yield is relatively high, and the oil yield is about 35%, so compared with the two, the oil yield of large rape.

The yield of small rapeseed is high because it is small.

Summary. 1. Huihao oil 26 Huihao oil 26 is a double low hybrid rape variety, the planting period in the Yangtze River basin is 210-225 days, the variety has the characteristics of dwarf stalk resistance, good quality, high oil content, high yield, good resistance, etc., the average yield per mu under general cultivation conditions can reach 350-400 catties, from the pods of Huihao oil 26 rapeseed, the pods are dense, and the number of horns is more. 2. Huayouza 50 is an excellent rapeseed variety bred by Wuhan Liannong Seed Industry Technology Co., Ltd. and Huazhong Agricultural University using RG430A J6-57R.

The yield of this variety is high, the average yield is more than 450 catties, and the oil yield is very high, 8-10 catties more than the general variety of 100 catties.

1. Huihao oil 26 Huihao oil 26 is a double rock culture low hybrid rape variety, the planting period in the Yangtze River basin is 210-225 days, the quality of the replanting has the characteristics of dwarf stalk resistance, good quality, high oil content, high yield, good resistance, etc., the average yield per mu under general cultivation conditions can reach 350-400 catties of jujube, from the pods of Huihao oil 26 rapeseed, the number of pods is dense and the number of horns is more. 2. Huayouza 50 is an excellent rapeseed variety bred by Wuhan Liannong Seed Industry Technology Co., Ltd. and Huazhong Agricultural University using RG430A J6-57R. The yield of this variety is high, the average yield is more than 450 catties, and the oil yield is very high, 8-10 catties more than the general variety of 100 catties.

3. Shaanxi 1209 Shaanxi 1209 is a two-line hybrid of cabbage semi-winter chemical androcide sterility. The whole growth period is days, and the lodging resistance is strong. The average yield per mu is kg, and the oil yield is kg.

It is suitable for planting in Anhui and Jiangsu Huaihe River north, Henan, Shaanxi, Shanxi Yuncheng, Gansu Longnan winter rape area. 4. Shaanxi Oil 28 Shaanxi Oil 28 is the first mechanized special rapeseed variety approved by China's positive bending hail type, and it is an early-to-medium maturing variety, and its rapeseed is black, nearly round, with large and full grains, and the average yield per mu is. It is suitable for high-density mechanized planting in Hanzhong, Ankang and other areas.

5. Fengyou 737 Fengyou 737 is a cabbage-type semi-winter cytoplasmic male sterile three-line hybrid rapeseed variety, with a full growth period of 217 days, the plant height of the variety is centimeters, the number of branches at one time is one, the number of effective silicones per plant, the number of grains per horn, and the average yield per mu is.

6. Salt and Oil Miscellaneous No. 3 Salt and Oil Miscellaneous No. 3 is a cabbage-type semi-winter nuclear sterile two-line hybrid, which shed has several effective branches at a time, the number of effective horns per plant is one, the number of horn grain stools is the weight of 1,000 grains, and the average yield per mu is kilograms.

Zhongshuang No. 11, Zhongyouza 13.

1. Zhongshuang No. 11 is a rapeseed variety bred by the Institute of Oil Crops, Chinese Academy of Agricultural Sciences, with the variety (Zhongshuang 9 2F10) 26102. On December 2, 2008, the second meeting of the second National Crop Variety Examination and Approval Committee was approved, and the approval number was the National Oil 2008030.

2. Medium oil miscellaneous 13

Zhongyouza 13 is a semi-winter cabbage type rape. The plant is taller, the growth potential is more vigorous, the branch part is low, and the lodging resistance is average.

It integrates high yield, high quality and high oil, and it is still Zhongshuang No. 11 of China Petroleum Institute.

Development status The Yangtze River basin is the main rapeseed producing area in China and the world's largest concentrated rapeseed production area. The whole basin covers an area of more than 1.8 million square kilometers, involving 11 provinces (municipalities) including Shanghai, Zhejiang, Jiangsu, Anhui, Hubei, Jiangxi, Hunan, Sichuan, Guizhou, Yunnan and Chongqing, as well as Xinyang area of Henan, and the sown area and output of rapeseed account for more than 85% of the country. The Yangtze River basin is rich in agricultural resources in winter, and it is an advantageous production area of "double low" rapeseed in China, with unique development advantages.

1.Basic Facts 1The production area is relatively concentrated.

Rape is one of the five crops (rice, corn, wheat, soybean and rape) with a planting area of more than 100 million mu in China. China's rapeseed production is widely distributed, at present, in addition to Beijing, Tianjin, Liaoning, Hainan, the other 27 provinces (autonomous regions, municipalities) are planted, of which the top five output is Hubei, Anhui, Jiangsu, Sichuan and Hunan. According to the different climatic and ecological conditions, China's rapeseed production can be divided into four regions, namely the winter rape area in the Yangtze River Basin, the northwest rape area, the spring rape area in Northeast China and the winter rape area in South China.

Among them, the winter rape area in the Yangtze River basin is the most concentrated rapeseed production area, with an area of 92.39 million mu and an output of 10.18 million tons in 2001, accounting for 87% and 89% of the country, accounting for more than a quarter of the world, higher than Europe and Canada.

2.Production is developing rapidly. Since the reform and opening up, especially after 1990, China's rapeseed production has developed rapidly, and the area has surpassed peanuts to become the largest oil crop.

In 2001, compared with 1990, the area expanded by 23.87 million mu, with an average annual increase of 2.17 million mu; Yield increased by kilograms, an increase of 26%; Production increased by 4.37 million tons, an increase of 63%, with an average annual increase of nearly 400,000 tons.

3.Remarkable results have been achieved in quality improvement. "Double low" rape refers to low-erucic acid and low-sulfuroside rape.

According to the standards issued by the Ministry of Agriculture, the erucic acid content of commercial rapeseed is less than 5% (oil) and the glucoside content is 45 mol g (cake), commonly known as "double low" rapeseed. The contents of oleic acid and linoleic acid in canola oil were greatly increased, and the nutritional quality was significantly improved. Low-sulfuroside cake meal reduced toxicity and increased the utilization value of rapeseed cake meal.

For high crop yield, use Fengxin Agricultural Crop High Yield Program.

<>The high-yielding rapeseed varieties include "Sunshine 2009", "Sunshine 198", "Zhongshuang 11", "Zhongshuang 12", "Zhongyouza 13" and so on.

Sunshine 2009: Rapeseed 1000-grain weight is about grams, and the oil content is about.

Sunshine 198: Rapeseed 1000-grain weight is about grams, and the oil content is about.

Zhongshuang No. 12: The weight of rapeseed is about 3-7 grams in 1000 grains, and the oil content is about.

Zhongshuang No. 11: rapeseed 1000-grain weight is about.

1. Sunshine 2009

1. The variety is a cabbage-type semi-winter conventional rape variety, with a plant height of about 178 cm, 275 effective horns per plant, 19 seeds of each horn, and a 1000-grain weight of grams; Its leaf color is green, less wax powder, the leaves are medium length, the lateral stacked leaves have 3-4 pairs, the leaf veins are obvious, and the leaf margin has small teeth.

2. Its petals are yellow, and the petals are medium but wide, generally stacked laterally; The whole growth period was 217 days, the average erucic acid content in rapeseed was, and the oil content was.

2. Sunshine 198

1. The variety is a cabbage-type semi-winter conventional rape variety, with a plant height of about 198 cm, the number of effective horns per plant is one, the number of seeds of each horn is grains, and the weight of 1,000 grains is grams; Its leaf color is medium green, less wax powder, the leaves are medium length, the lateral overlapping leaves have 3-4 pairs, the leaf veins are obvious, and the leaf margin has small teeth.

2. Its petals are yellow, and the petals are medium but wide, generally stacked laterally; The average erucic acid content in rapeseed is micromole, the glucosinolate content in the cake is micromoles, and the oil content is.

3. Zhongshuang No. 11

1. The color of the seeds is black, and the oil content is about right. The growth cycle is long, it has strong lodging resistance, and belongs to the conventional rapeseed variety of semi-winter cabbage type.

2. It is suitable for promoting planting in the main winter rape producing areas south of the Huai River in Jiangsu Province, south of the Huai River in Anhui Province, Zhejiang Province and Shanghai.

Fourth, Zhongshuang No. 12

1. This variety is a cabbage-type semi-winter medium-early maturing conventional rape variety, its whole growth period is about 215 days, the seedlings are more erect and stronger, the lateral lobes have 3-4 pairs, the petals are yellow, and they are generally stacked laterally.

2. Its plant height is about 172 cm, the stalk is hard, and it is generally slightly purple; The main inflorescence is long, the number of effective snails per plant is 378, and the number of seeds of each snail is grains, and the weight of 1000 seeds is about 3-7 grams; It has strong resistance to low temperatures, good pod-setting, and does not occur segmented firming.

5. Zhongyou Za No. 13

1. It is a three-line hybrid of cytoplasmic male sterility of cabbage semi-winter Polyma with an average number of days in the whole growth period.

2. It is suitable for promoting planting in the main winter rape producing areas south of the Huai River in Jiangsu Province, south of the Huai River in Anhui Province, Zhejiang Province and Shanghai.

Hello dear, rapeseed oil yield is high, rapeseed oil yield and variety correlation is large, and the gap between different branch varieties is obvious. The oil conversion rate of rapeseed is generally 30%-40%, which is determined by various factors such as rapeseed varieties. A higher oil yield of rapeseed means higher returns for rapeseed farmers and traders.

The oil yield of rapeseed can be improved by selecting high-yielding varieties with strong disease resistance and high oil content and strengthening cultivation management. Apply sufficient boron fertilizer and phosphorus and potassium fertilizer at the flowering and fruiting stage to avoid excessive drought, prevent and control diseases and pests such as sclerotinia sclerotinia and aphids, increase the number of fruits next to flowering and shedding, and improve the fruit rate, 1000-grain weight and oil content of sheds and friends. Harvest at the right time to avoid fruit cracking and rain rot chain locust seeds.

The removal of impurities can significantly improve the oil yield of rapeseed.