Amaranthus

Scientific name Amaranthus retroflexus L. An annual herb of the family Anatidae. Alias ​​leeks, wild leeks. Distributed in the northeast, north and northwest, other provinces also have. The main damage is cotton, beans, peanuts, melons, potatoes, vegetables and other dry crops.

Morphological characteristics Stems erect, 20-80cm tall, branched, densely pubescent. Leaves alternately long-handled; leaf blade ovate to elliptic-ovate, apex slightly convex or slightly concave, with small awns, both surfaces and margins pilose. Inflorescences conical, terminal or axillary, floral bristles numerous; flowers white, 5 peltate, 1 with pale green midrib. Umbilical flat spherical bag in perianth, dehiscing. Seeds are rounded to obovate, with black surfaces.

Ecological characteristics are born on farmland, roadsides or wastelands. The Amaranthus retroflexus is very adaptable, can grow everywhere, is not resistant to the shade, and does not grow well in dense or high-stem crops. Seed germination temperature 15-30 °C, the depth of seedling emergence 0-5cm. The emergence of Heilongjiang in early May lasted until late July and began to bloom in early July. From late July to early August, the seeds matured. Mature seeds do not have a dormant period.

Isolation Gowns

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