Encyclopedia
Definitive guides for crops, pests, and agricultural diseases.
bottom rot
Bottom rot is a destructive fungal disease primarily affecting lettuce and other leafy greens, caused by soilborne pathogens like Rhizoctonia solani, leading to rapid decay of lower leaves and plant collapse. It thrives in warm, wet conditions, causing significant yield losses in commercial and home vegetable production. Effective management relies on cultural practices, sanitation, and resistant varieties.
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Bougainvillea
Bougainvillea is a vigorous, thorny, tropical woody vine prized worldwide for its spectacular, papery bracts that bloom in vivid shades of magenta, purple, orange, and white. Native to South America, this salt- and drought-tolerant plant thrives in full sun and well-drained soils, making it a staple for coastal gardens, pergolas, and commercial landscapes. Its long flowering season and low-maintenance nature deliver high visual impact with minimal irrigation once established.
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Bourbon Vanilla
Bourbon Vanilla refers to the classic premium form of Vanilla planifolia historically associated with the Indian Ocean islands, especially Réunion and Madagascar. It is a demanding tropical orchid crop that rewards meticulous shade, humidity, pollination, and curing management with highly aromatic beans rich in vanillin and complex spice notes.
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Box Car Willie Tomato
Box Car Willie is a vigorous, indeterminate heirloom beefsteak-type tomato prized for its large, meaty fruits and rich, old-fashioned flavor. It offers reliable yields in home and small-farm settings while showing strong tolerance to common tomato diseases.
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boxwood
Boxwood is a dense, slow-growing evergreen shrub prized for formal hedges, topiary, and landscape structure. It thrives in well-drained soils with consistent moisture and moderate climates, offering year-round foliage and strong adaptability to pruning.
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Boxwood Basil
Boxwood Basil is a compact, ornamental variety of basil known for its dense, bushy growth and sweet aroma. Ideal for small gardens or containers, it thrives in sunny locations and well-drained soil.
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Brad's Atomic Grape Tomato
Brad's Atomic Grape Tomato is an indeterminate cherry-grape hybrid prized for its striking purple-striped fruits, complex sweet-tart flavor, and high productivity. Developed by Brad Gates of Wild Boar Farms, this variety offers exceptional visual appeal and flavor intensity suited for fresh eating, salads, and gourmet markets. Its vigorous vines require full sun, consistent moisture, and careful pruning to reach peak performance.
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Braeburn Apple
Braeburn Apple is a late-season dessert and cooking apple prized for its balanced sweet-tart flavor, crisp texture, and excellent storage life. This vigorous cultivar performs best in temperate regions with sufficient winter chill, full sun, and careful canopy and crop-load management to achieve high color, sugar development, and consistent fruit quality.
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Braeburn browning disorder
Braeburn browning disorder is a physiological issue affecting Braeburn apple fruits, causing internal browning and cavity formation that renders them unmarketable. Triggered by environmental stresses like calcium deficiency and temperature fluctuations, it significantly impacts yield quality in commercial apple orchards. Effective management relies on cultural practices, soil amendments, and precise orchard monitoring.
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Brahmi Root
Brahmi Root is a perennial creeping herb prized in traditional medicine and modern herbal markets for its adaptogenic properties. The crop thrives in consistently moist, fertile soils under full to partial sun and requires careful water management to prevent both drought stress and root rot. Commercial growers value its rapid vegetative spread and high-value dried root market when cultivated with precise organic practices.
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branch canker
Branch canker is a destructive fungal disease affecting woody plants, causing sunken, discolored lesions on branches that girdle and kill affected tissues. It leads to wilting, dieback, and reduced yields in fruit trees and ornamentals. Early detection and cultural management are key to limiting spread.
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Brandywine Black Tomato
Brandywine Black is a rare, indeterminate heirloom beefsteak tomato prized for its dark, mahogany-purple skin and rich, complex flavor. This challenging but rewarding variety demands attentive care yet delivers exceptional fruit quality prized by chefs and home gardeners alike.
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Brandywine Pink Tomato
Brandywine Pink is a legendary heirloom beefsteak tomato prized for its rich, complex flavor and distinctive pink skin. This indeterminate variety demands attentive care but rewards growers with exceptionally large, meaty fruits. Its vigorous vines and old-fashioned taste make it a favorite among home gardeners and small-scale producers.
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Brandywine Yellow Tomato
Brandywine Yellow is a classic Amish heirloom beefsteak tomato prized for its rich, complex flavor and large, golden-yellow fruits. This indeterminate variety offers exceptional taste and productivity when grown with proper support, soil management, and organic practices.
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Brassicas
Brassicas encompass a diverse family of cool-season vegetables including cabbage, broccoli, cauliflower, kale, and Brussels sprouts. These nutrient-dense crops thrive in well-drained soils with consistent moisture and moderate temperatures, offering high yields when managed with proper rotation and pest control.
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Brazil Nut (Bertholletia excelsa)
Brazil nut is a towering Amazonian canopy tree that produces one of the world's most economically valuable nuts; successful commercial cultivation requires specific rainforest-like conditions, long-term soil management, and dependence on specific pollinators.
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Brazilian Starfish Pepper
The Brazilian Starfish Pepper, known for its unique starfish shape and spicy flavor, is a popular choice for pepper enthusiasts. This guide covers everything from soil requirements to pest management techniques.
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Breadfruit
Breadfruit (Artocarpus altilis) is a tropical tree crop prized for its starchy fruit, but it faces significant threats from pests and diseases that can devastate yields. This guide provides definitive diagnostic tools, lifecycle insights, organic management strategies, and prevention tactics for small-scale farmers. Learn to identify symptoms early and implement sustainable controls to protect your breadfruit orchards.
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Breadfruit (Ma'afala)
Breadfruit (Ma'afala) is a prolific tropical tree crop renowned for its large, starchy fruits that serve as a staple food source in Pacific Island agriculture. This Samoan cultivar thrives in humid, frost-free environments, producing high yields of versatile fruits ideal for roasting, boiling, or fermenting. With proper care, a single Ma'afala tree can yield over 200 fruits annually, making it an excellent choice for sustainable farming.
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Breadfruit (Ulu Fiti)
Breadfruit (Ulu Fiti), a nutrient-dense staple crop revered in Pacific Island agriculture, produces large, starchy fruits ideal for baking, boiling, and frying. This fast-growing evergreen tree thrives in tropical climates, yielding up to 1 ton of fruit per mature tree annually after 3-5 years. Renowned for its versatility and sustainability, Ulu Fiti offers superior flavor and texture compared to common breadfruit varieties.
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Breadnut (Maya Nut)
Breadnut, also known as Maya Nut, is a fast-growing, drought-tolerant tropical tree valued for its nutritious seeds and versatile wood. It thrives in agroforestry systems and offers reliable yields with minimal inputs once established. This guide covers every stage from propagation to harvest with professional-grade practices.
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Bretziella fagacearum
Bretziella fagacearum is the fungal pathogen responsible for oak wilt, a lethal vascular disease that primarily affects oak species across North America. It spreads rapidly through root grafts and insect vectors, causing severe wilting, defoliation, and tree mortality within weeks to months. Effective management requires early detection, sanitation, and preventive practices to protect both forest and urban oak populations.
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Brewster
Brewster is a highly destructive soil-dwelling beetle pest notorious for targeting root systems of tropical and subtropical crops, causing severe wilting and yield losses up to 70%. Native to Southeast Asia, it has spread globally through infested planting material. Effective management relies on integrated organic strategies including crop rotation, beneficial nematodes, and soil solarization.
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Broad mites
Broad mites (Polyphagotarsonemus latus) are microscopic pests that cause severe distortion and stunting in over 60 crop species, particularly young tissues. Their rapid reproduction and hidden feeding make early detection challenging, but organic controls like sulfur and predatory mites offer effective management. This guide provides diagnostic symptoms, lifecycle details, and proven prevention strategies for growers.
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