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Thlaspi arvense is a foetid, hairless annual plant, growing up to 60 cm (24 in) tall, [2] with upright branches. The stem leaves are arrow-shaped, narrow and toothed. It blooms between May and July, with racemes or spikes of small white flowers that have 4 sepals and 4 longer petals. [3] Later it has round, flat, winged pods with a deep apical ...
Grape vine, radish, non-mustard brassica, including cabbage, cauliflower, broccoli. Ladybugs. Traps various brassica pests, including aphids. Seeds and leaves are edible. beets. Domesticated mustard is a hybrid of three different species of wild mustard, all of which are still used in some places for food.
Bidens alba is a fast-growing, fast-spreading weed due to its enormous number of seeds and the ability to re-grow from stems. [3] In sub-tropical to tropical conditions, B. alba can grow almost everywhere in full sun with little or no moisture. The most growth occurs in organic matter with loose soil; [1] however, they can also propagate well ...
Convolvulus arvensis. L. Convolvulus arvensis, or field bindweed, is a species of bindweed in the Convolvulaceae [1] native to Europe and Asia. It is a rhizomatous and climbing or creeping herbaceous perennial plant with stems growing to 0.5–2 metres (1.6–6.6 ft) in length. It is usually found at ground level with small white and pink flowers.
Weeds growing in the cracks of a concrete staircase (Epilobium roseum, Chelidonium majus, Oxalis corniculata, Plantago major) A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals. [1][2][3][4] Plants with characteristics that make them hazardous, aesthetically ...
No-till farming (also known as zero tillage or direct drilling) is an agricultural technique for growing crops or pasture without disturbing the soil through tillage. No-till farming decreases the amount of soil erosion tillage causes in certain soils, especially in sandy and dry soils on sloping terrain. Other possible benefits include an ...
Parthenium hysterophorus. L. [1] Parthenium hysterophorus is a species of flowering plant in the family Asteraceae. It is native to the American tropics. [1] Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass or gajar ghas or ...
In the United States, Johnson grass is listed as either a noxious or quarantined weed in 19 states. [6] With Sorghum bicolor it is a parent of Sorghum × almum, a forage crop also considered a weed in places. [7] It is named after an Alabama plantation owner, Colonel William Johnson, who sowed its seeds on river-bottom farm land circa 1840. The ...