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These easy-to-grow flowers are perennial in warmer climates and are considered hardy annuals in areas below USDA hardiness zone 8. Dahlias thrive in full sunlight and well-drained soil with an ...
Planting infected seed potatoes can also be a source of inoculum to a new field. Finally, insects have also been shown to transmit the disease. Many insects including potato leaf hopper, leaf cutter bees, and aphids have been observed transmitting conidia of Verticillium and because these insects can cause damage to the plant creating an entry ...
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Many dahlia pinnata types can grow from seeds but more often they are cultivated by division of the tuberous roots or by stem cuttings. Providing the flower with some kind of plant food (mulch, growing media, nutrient food, etc.) can really make the dahlia healthier and more likely to survive. [9]
The seeds and seed heads of this common garden weed may contain the alkaloids temuline and loliine. Some experts also point to the fungus ergot or fungi of the genus Endoconidium, both of which grow on the seed heads of rye grasses, as an additional source of toxicity. [157] Lupinus spp. lupin, lupine Fabaceae: Some varieties have edible seeds.
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Propagation is by seed or by stem cuttings, around 30 cm (12 in) long and having at least two nodes, laid horizontally about 5–10 cm under the soil; top-dressing with pea gravel, decomposed granite, or grit is optional but helpful for moisture retention, erosion control and additional drainage.
For example, amaranth is an edible plant that is considered a weed by mainstream modern agriculture. It produces copious seeds (up to 1 million per plant) that last many years, and is an early-emergent fast grower. Those seeking to control amaranth quote the mantra "This year’s seeds become next year’s weeds!".