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Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i
Rape (Brassica napus)-i

Rape

Common name
Rapeseed
Scientific name
Brassica napus

Basic Information

Brassicaceae Family Brassica Genus Rape Species
Brassicaceae > Brassica > Brassica napus
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  • Biennial
  • Forb/herb
  • Vegetable
Height
100cm ~
Flower Color
Leaf Color
Anthesis
spring, summer
Sunlight Exposure
Full Sun
Hardiness Zones
3
Cold resistance
Good
Heat resistance
Fair
Habitat of origin
Europe
Growth Rate
Normal

What is Rape (Brassica napus)?

What is Rape (Brassica napus)

Rape, scientifically known as Brassica napus, is a member of the Brassicaceae family, originating from Europe and Asia. It is an annual or biennial plant with bright yellow flowers, typically blooming in spring. The flowers are known for their four petals in a cross-like shape, characteristic of the Brassicaceae family. The color of the flowers can vary from pale yellow to deep golden hues. Brassica napus is primarily cultivated for its oil-rich seeds, used in cooking oil production and animal feed. There are different varieties of Brassica napus, including canola and swede, each with distinct characteristics and uses. The plant can grow up to several feet in height, depending on the variety. Brassica napus is relatively easy to grow, thriving in cool climates with well-drained soil. It is a valuable crop due to its versatility and nutritional benefits.

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Flower meaning

The flower language commonly used in America for the plant called Rape is associated with deceit or false promise. Examples of flower language: - Red Carnation: Admiration - Yellow Rose: Friendship - White Lily: Purity Explanation: For instance, the Yellow Rose symbolizes friendship. It is often given to friends to express appreciation and platonic love.

Oliver
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Calendar of Rape (Brassica napus)

Calendar

Rape typically blooms in early spring in the United States, with the flowers reaching their peak in April. The blooming period usually lasts for about 2-4 weeks, depending on the specific variety and environmental conditions. To ensure longer blooming, provide adequate sunlight, water, and well-draining soil. Deadheading spent flowers can also encourage continuous blooming. Additionally, avoiding over-fertilization and providing proper spacing between plants can promote healthier and more prolonged flowering. Rape's flowering season can vary slightly depending on the region within the United States, but generally, it thrives in cooler temperatures and shorter daylight hours characteristic of early spring.

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How to grow Rape (Brassica napus)

Watering

For the plant named Rape, watering frequency should be moderate, typically once every 7-10 days, depending on soil moisture levels. It is essential to ensure the soil is evenly moist but not waterlogged to prevent root rot. During the growing season, increase watering frequency to once every 5-7 days, especially during hot weather. In winter, reduce watering to once every 10-14 days as the plant's growth slows down. Monitor soil humidity by inserting a finger into the soil up to 2 inches to determine if watering is needed.

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Soil and Fertilizer

Rape thrives in well-drained soil with a pH level between 6.0 and 7.5. It prefers loamy soil rich in organic matter for optimal growth. Fertilizers high in nitrogen, phosphorus, and potassium are beneficial for rape cultivation. Fertilizers should be applied before planting and during the growing season. During planting, incorporate a balanced fertilizer like 10-10-10 into the soil. Apply nitrogen-rich fertilizers like urea or ammonium sulfate during the growing season. The amount of fertilizer applied depends on soil quality and plant growth stage. Regular soil testing helps determine the appropriate amount of fertilizer needed. Over-fertilization can lead to nutrient runoff and environmental issues. Regularly monitor soil pH and adjust fertilization accordingly.

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Sunlight and Place

Rape plants thrive in full sun, requiring at least 6-8 hours of direct sunlight daily. They exhibit excellent cold tolerance, able to withstand frost and even light freezes. However, they prefer moderate temperatures between 60-75°F (15-24°C) for optimal growth. During hot summers, providing some afternoon shade can help prevent heat stress. In winter, they can be overwintered indoors in a cool, bright location. Placing them in well-draining soil in a sunny spot ensures their strength in sunlight. The ideal placement is in a location with good air circulation to prevent diseases.

Oliver
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Advanced Information of Rape (Brassica napus)

Pruning

Rape plants benefit from pruning to promote new growth and maintain a compact shape. Pruning is necessary to remove dead or damaged branches, improve air circulation, and encourage flowering. The best time to prune Rape is in late winter or early spring before new growth begins. When pruning, use clean, sharp tools to make clean cuts just above a leaf node or lateral branch. After pruning, dispose of any diseased or infested plant material to prevent the spread of pests and diseases. It is also essential to water the plant adequately after pruning to help it recover and stimulate new growth.

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Planting and Harvest

Rape is best potted in well-draining soil with a pH of 6.0-7.5. Ensure the pot has drainage holes to prevent waterlogging. When planting, place the seeds 1/2 inch deep and water thoroughly. Keep the soil consistently moist but not waterlogged. For repotting, choose a slightly larger pot and refresh the soil. Mist the plant regularly to maintain humidity.

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Propagation

Rape can be propagated through seeds, cuttings, and division. Seeds are sown in well-draining soil, kept moist, and placed in a sunny location. Cuttings are taken from healthy stems, dipped in rooting hormone, and planted in a soilless mix. Division involves separating the plant into sections with roots, ensuring each section has enough roots and foliage. To maximize propagation success, use a combination of methods to increase the chances of successful reproduction. Harvest seeds when they are mature and dry, ensuring they are stored in a cool, dry place for future propagation.

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Pests and Diseases

Rape is susceptible to pests such as flea beetles, cabbage worms, and aphids, which can cause damage to the leaves and stems of the plant. These pests can lead to reduced growth and yield if not controlled promptly. Flea beetles are small, jumping insects that feed on the leaves, creating small holes and causing wilting. Cabbage worms are the larvae of white butterflies that chew on the leaves, leading to defoliation. Aphids suck sap from the plant, causing yellowing and distortion of leaves. To prevent pest infestations, regular monitoring and early detection are essential. Cultural practices like crop rotation and maintaining proper plant nutrition can help reduce pest pressure. Additionally, using insecticidal soaps or natural predators can be effective in controlling these pests. Diseases like clubroot and downy mildew can also affect Rape, causing wilting and yellowing of leaves. Proper sanitation, planting disease-resistant varieties, and avoiding overhead irrigation can help prevent these diseases.

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Habitat of Rape (Brassica napus)

Habitat

Toxicity of Rape (Brassica napus)

Health Benefits

edible
edible
Toxic
No toxicity

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of Rape (Brassica napus)

  • Is there a recommended way to choose Rape?