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Qinghai Province is the best ecological suitable planting area for spring rapeseed in the country, in the past two decades, the Provincial Department of Science and Technology has continuously increased investment in rapeseed scientific research, and effectively promoted the leapfrog development of
the province's rapeseed industry through scientific and technological innovation.
The province's breeding technology leads the national spring rapeseed production area, and has bred 16 series of varieties of green and miscellaneous, of which 12 varieties have passed the national examination and approval, and the promotion area in the spring rapeseed area has reached more than 4 million mu, accounting for 85% of the hybrid rapeseed planting area in the northern spring rapeseed area, and the yield has increased by more than
20%.
the province's rapeseed industry through scientific and technological innovation.
The province's breeding technology leads the national spring rapeseed production area, and has bred 16 series of varieties of green and miscellaneous, of which 12 varieties have passed the national examination and approval, and the promotion area in the spring rapeseed area has reached more than 4 million mu, accounting for 85% of the hybrid rapeseed planting area in the northern spring rapeseed area, and the yield has increased by more than
20%.
The "Qingza No.
12" and "Qingza No.
15" selected this time are high-yield, high-quality and machine-harvested hybrid varieties of medium- and late-ripening spring rapeseed, which is a major scientific and technological research achievement
of the "Thirteenth Five-Year Plan" of the Science and Technology Department of Qinghai Province.
The entire spring rapeseed region (Qinghai, Gansu, Xinjiang, Inner Mongolia and other provinces and regions) is only shortlisted for these two rapeseed varieties
.
In 2014 and 2015, "Qingza No.
12" produced an average yield of 339.
80 kg per mu in the regional test of late maturing rapeseed in Qinghai Province for two consecutive years, an increase of 8.
52%
compared with "Qingzao No.
5".
In 2017 and 2018, "Qingza No.
15" ranked first in the national spring rapeseed variety test for two consecutive years, with an average yield of 246.
47 kg per mu, an increase of 9.
73% over "Qingza No.
5", an oil content of 44.
16%, and 1.
33 percentage points
higher than that of "Qingzao No.
5".
The content of erucic acid and thioside in the commercial seeds of these two varieties reached the national double low standard, and their disease resistance and lodging resistance were better than those of Qingza No.
5, which was suitable for mechanized harvesting
after large-scale large-scale continuous planting.
12" and "Qingza No.
15" selected this time are high-yield, high-quality and machine-harvested hybrid varieties of medium- and late-ripening spring rapeseed, which is a major scientific and technological research achievement
of the "Thirteenth Five-Year Plan" of the Science and Technology Department of Qinghai Province.
The entire spring rapeseed region (Qinghai, Gansu, Xinjiang, Inner Mongolia and other provinces and regions) is only shortlisted for these two rapeseed varieties
.
In 2014 and 2015, "Qingza No.
12" produced an average yield of 339.
80 kg per mu in the regional test of late maturing rapeseed in Qinghai Province for two consecutive years, an increase of 8.
52%
compared with "Qingzao No.
5".
In 2017 and 2018, "Qingza No.
15" ranked first in the national spring rapeseed variety test for two consecutive years, with an average yield of 246.
47 kg per mu, an increase of 9.
73% over "Qingza No.
5", an oil content of 44.
16%, and 1.
33 percentage points
higher than that of "Qingzao No.
5".
The content of erucic acid and thioside in the commercial seeds of these two varieties reached the national double low standard, and their disease resistance and lodging resistance were better than those of Qingza No.
5, which was suitable for mechanized harvesting
after large-scale large-scale continuous planting.
