Blood oats and oats are mainly the difference between varieties.

"Blood oats" is the nickname for the high iron zinc wheat "Qinhei 1". Qin Hei 1" is the Northwest Agriculture and Forestry University, Yangling Yikang Crops Development Research Institute He Yizhe associate researcher using the new discovery of the wild purple grain wheat relic seed resources breeding high iron zinc heterogeneous wheat germplasm.

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The growing environment of oats is different from that of general grains, favoring alpine and dry climates. The northern foothills of the Yinshan Mountains in the central part of China's Inner Mongolia Autonomous Region are regarded as the world's main production area for golden oats, which is about 2,000 meters above sea level, with more than 3,000 hours of sunshine per year, a big difference between daytime and nighttime temperatures, and averaging 3 meters per second. monsoon winds blow through all year round.

Maturity: There are five categories of varieties throughout China: extra-early maturity, early maturity, medium maturity, late maturity and extra-late maturity.

Fertility: the difference between the length of the fertility period, the north of the most mature varieties of fertility period of only about 70 days, while the latest for 120 days, a difference of 50 days. In the southwest most varieties of fertility for about 220 days, the most late-maturing up to 260 days or more.

Yield traits: the yield traits of the larger differences, such as the range of single-plant grain weight of 1-10 grams; the main spike grain weight of more than 1 grams or so, the very low only 0.3 grams, as high as 5 grams; spikes wheel layer number of at least only 2 layers, and the most up to 9 layers; main spike spikelet number of fewer than 10, the most up to 80, a difference of 70.