Black glutinous maize is a special type of maize, whose kernel cuticle deposits melanin to varying degrees, giving it a dark and shiny appearance. The kernels are rich in water-soluble melanin and various essential trace elements, plant protein and various amino acids, with a significantly higher nutritional content than other cereal crops.
The origin of black glutinous maize: coloured glutinous maize is generally white, yellow, red, purple and black, with white, yellow and purple maize being the basic colours. The purple gene of a purple-white cross naturally becomes purple if it "beats" the white gene, and vice versa, so if the two make a tie, we see white and purple maize. Purple can turn into red and black maize, or as we often say, "red is purple and black is purple".
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2. Control methods When disease occurs, use 70% thiophanate-methyl 2000 times spray, or punch holes in the lesions, deep to the xylem, apply 10% alkaline water or zinc chloride glycerol mixture.
Clever Anti-Dry Blight
1. Symptoms mostly occurred in trunks of saplings. First, spindle-shaped water-stained wet rot lesions appeared on the bark, followed by enlargement and irregularity. The bark in the middle of the lesion is cracked and overflows gum. When the lesion surrounded the trunk for 1 week, the upper treetops died.