Look at Mai Ah
The scientific name Alopecurus aequalis Sobol. is a genus of annual or annual grass weeds. Alias ​​Mak Goddess, Mai Tuo Tuo. It is located in warm and rainy areas south of the Yangtze River in China. It starts from Jiangsu in the east, Sichuan in the west, and Guangdong Province in the south. The main damage is wheat, rape, green manure.
Morphological characteristics Stem erect or stem base slightly inclined, less clustered, plant height 15-45cm, leaves smooth or slightly rough surface, flat leaves, the first leaf length 3-5cm, width 0.5-0.8mm, leaf sheath smooth, leaf Tongue membrane is transparent. The panicles are narrowly cylindrical, grayish green, and the spikelets are densely planted on the rachis. Outside and inside are similar. Caryopsis are ovate to oblong, with longitudinal grooves on the ventral surface, light brown, and 2 mm in length.
Ecological features Shanghai emerged from the end of August to early September, entering the peak period from October to November, and heading and flowering at the beginning of April of the following year. The seeds matured in early May, germinated after 2-3 months of dormancy, and the seed germination temperature limit was 5– At 23°C, with an optimum temperature of 15-20°C, the seed can only survive for 1 year in dry soil, and the paddy field can reach 2-3 years, and it can emerge in 0-5cm soil layer.
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