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Raphanus sativus.
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| Radish Plants Growing. Raphanus sativus. All Photos Courtesy: Wikipedia, the free encyclopedia. |
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| Seed Pods. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. | Seeds. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. |
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| Flowers. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. | Flowers. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. |
| Roots. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. | Roots. Radish. Raphanus sativus. Wikipedia, the free encyclopedia. |
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Radish.
We wish to thank Wikipedia, the free encyclopedia for some of the information, and images on our page. We share information, images, and donate to Wikipedia. The radish (Raphanus sativus) is an edible root vegetable of the Brassicaceae family that was domesticated in Europe in pre-Roman times. Radishes are grown and consumed throughout the world, being mostly eaten raw as a crunchy salad vegetable. They have numerous varieties, varying in size, flavor, color, and length of time they take to mature. They are sometimes grown as companion plants and suffer from few pests and diseases. They germinate quickly and grow rapidly, smaller varieties being ready for consumption within a month, while larger daikon varieties taking several months. Another use of radish is as cover or catch crop in winter or as a forage crop, Some radishes are grown for their seeds; daikon, for instance, may be grown for oil production. Others are used for sprouting and both roots and leaves are sometimes served cooked. Radish is grown all over the world for its fleshy, edible taproot. A wide variety of cultivars are available, producing taproots that range from 2 cm up to 1 m long, and from red to pink, white, purple or black in color. Radishes are a very easy-to-grow cool-season crop. Most varieties of radishes fall into two categories: either spring radishes and winter radishes. Spring radishes are smaller, tender and fast growing. Winter radishes are larger--in some cases, much larger--and keep for longer periods. It is the spring radishes that are often found sold in grocery stores.
A perfect combination of attractive bubblegum pink oblong roots, crisp white flesh and excellent taste. Cylindrical roots grow to 5-in. long. 30 DAYS.
Tasty radish stays mild, stores for weeks in the refrigerator. Stays crisp, never becomes pithy. 21 DAYS.
Never gets too hot or fibrous. Ready at marble size, but sweet and mild at any size. 29 DAYS.
Early and really crunchy! Slim, 3-in. bi-color roots are cool and mild. 25 DAYS.
The winner for best taste, texture and garden performance in our trials! Brilliant red, uniform 1 1/2-in. roots have bright white interior. Exceptional quality and taste when picked young, but still tasty if allowed to sit in the garden longer. 2014 All-America Selections award winner. 30 DAYS.
Smooth and round, with bright scarlet skin and crisp, white flesh. Sizes up in a hurry, slow to become pithy. 25 DAYS.
Hardy perennial with disease resistance and high yields. Grated root shave a delightful tang. Dig in spring or fall.
1. The best time to plant radish seeds is 4-6 weeks before the average date of last frost. Plant radish seeds about every 30 days for a full time supply of radish. 2. Cultivate your planting area to break up any hard soil, dig down about 12 inches. Spring radishes are planted 1 inch apart in rows 12 inches apart. When the shoots have begun to emerge, these plants are thinned to a spacing of 2 inches apart. Winter radishes are planted in rows spaced 14 to 20 inches apart. Seeds in each row are spaced 2 to 4 inches apart, and are thinned to a distance of 4 to 8 inches apart when the sprouts have reached 3 inches tall. Radish varieties prefer well-draining, sandy, loose soils with plenty of organic matter. Try to avoid clay soils. dig down to a depth of 12 inches. 3. Don't fertilize the soil too much. Radishes don't require heavy fertilization to produce well. Adding nutrients to the soil before you plant usually supplies enough nutrients to feed these quickly developing vegetables. Sprinkle � pound of 16-20-0 fertilizer over every 50 square feet of bed. 4. Purchase certified radish seeds from your local garden center or nursery. 5. Radish should be thinned to about 2 inches apart for standard spacing. When the seedlings are about 1 inch tall, thin as desired. Rows should be 12 inches apart. Once planted, soak thoroughly and keep the soil slightly moist, but not wet. 6. Water your radish once or twice a week when the soil feels dry to the touch. Do Not Spray Water On Your Plants. Water sufficiently to moisten the soil to a depth of at least 6 inches. Mulching can help to provide uniform moisture, conserve water and reduce weeds. 7. Monitor your radish plants for disease and pest problems. Radish grown by spraying water in Arizona, often suffer from late blight, which can be treated with a fungicide. Control common pests such as snails, potato tubermoth and aphids by sprinkling nontoxic diatomaceous earth around the affected garlic plants. 8. Radish should be ready for harvest in about 22 to 30 days.
Reduce disease problems by:
Pests Of Radish In Arizona:
Beneficial Insects Of Radish In Arizona:
Not all insects found in our gardens, & orchards are pests. Many organisms benefit the grower by eating or parasitizing pests in the orchard. These organisms are known as beneficials, natural enemies, or biological control agents. They may be native or introduced from other areas. Beneficial natural enemies (insects and mites) that may occur in our gardens, & orchards could be classified as predators or parasitoids. Predators are those that attack, kill, and feed directly on a pest (prey). Examples of common garden, or orchard predators are ladybeetles, flies, lacewings, wasps, bugs, ants, spiders, and predator mites. Parasitoids are insects that lay eggs on or in a pest (host). The developing larva lives and feeds on the host, parasitizing and eventually killing it. Examples include parasitic wasps such as the egg parasite, Trichogramma sp. Bees are a different class of beneficial insects in the garden or orchard in that they benefit the grower by aiding pollination. It is important that growers are able to recognize, identify, and conserve beneficials in their gardens, & orchards. Conservation of beneficial organisms is a basic tenet of an ecologically sound pest management strategy. Conservation or enhancement of beneficials can be achieved through judicious use of pesticides such as spraying only when and where needed, accurate timing of sprays, and selecting pesticides that are least toxic to beneficials. For Example: Many growers now place colonies of the Blue Orchard Mason bees in their orchards to pollinate their crops for maximum production.
While some bean species are capable of self-pollination, many produce a higher yield if insects are allowed access to the flowers.
Quick Notes:
Type: The part that is eaten is the taproot: Widely variable in color, shape and size. Red, pink, white, yellow, purple or black externally, white to bright pink internally. Spherical, olive-, spindle- or turnip-shaped, tapering from top or bottom, 2 cm to 1m long and 60 cm in diameter.
Height: Small spring radish plants have an average height of 6 inches to 18 inches at maturity. Winter radishes will grow to be approximately 2 feet high when the roots are mature, but they may produce a flower stalk up to 6 feet high when they bolt.
Spring radishes are planted 1 inch apart in rows 12 inches apart. When the shoots have begun to emerge, these plants are thinned to a spacing of 2 inches apart.
Winter radishes are planted in rows spaced 14 to 20 inches apart. Seeds in each row are spaced 2 to 4 inches apart, and are thinned to a distance of 4 to 8 inches apart when the sprouts have reached 3 inches tall.
Spread: Small spring radish plants have an average spread of between 6 and 9 inches. Winter radishes have a spread of 2 feet or more.
Flowers: Four white to pink or pale violet petals. Four sepals. Flowers borne on erect, many-flowered inflorescences up to 90 cm tall.
Seeds: The reddish brown seeds are oval, and slightly flattened, about 2 mm in size.
Fruit: A smooth, beaked, fleshy siliqua (fruit divided into two parts by a thin partition and opening by two valves to reveal seeds on central limb).
Blooming Time: Spring.
Leaves: Lobed, with a larger, rounded, terminal lobe and smaller, paired lower segments. Irregularly toothed. Young radish leaves are edible and are cooked in the same manner as spinach.
Elevation: 0 - 6,562 feet.
Hardiness: Radishes can survive hard frosts as deep as 26 degrees Fahrenheit, say horticulturalists at Texas A&M; University.
Soil pH requirements:
Light: Full Sun. Partial Shade in hot climate.
Habitat: Mulched areas. Well-drained soil with a 5.8 to 6.8. pH. According to Cornell University.
Native: It is thought to be native to China; it spread to the Mediterranean area before Greek times, and to the New World in the early 16th century.
Miscellaneous: In Yarnell, Arizona. Hardy Temp: 32�F. Water regularly; do not overwater.
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