List of representative bulb onion cultivars (yellow onions) grown in Japan
| Cultivar | Agronomic characteristics |
|---|---|
| Long-day type | |
| ‘Kitamomiji 2000’ | A high-yielding cultivar with high market acceptability. Bulbs are round in shape, firm, and store well. Resistant to Fusarium basal rot and mainly cultivated in Hokkaido. |
| ‘Okhotsk 222’ | An early-maturing cultivar* that produces uniform globe-shaped bulbs with excellent keeping quality and good market acceptability. Bulbs are less pungent, and sweet in taste when cooked. Mainly cultivated in Hokkaido. |
| ‘Kitahayate 2 go’ | Characterized by early maturity and high yield. Bulbs are less pungent and soft in texture upon cooking. Mainly cultivated in Hokkaido. |
| Short-day or intermediate-day type | |
| ‘Tarzan’ | The cultivar forms globular bulbs (average bulb weight: ca. 250 g) with glossy, copper-colored skin. Resistant to bacterial soft rot and high in keeping quality. |
| ‘Momiji 3 go’ | A late-maturing cultivar** producing somewhat oblong bulbs with good storage quality. Resistant to bacterial soft rot and mainly cultivated in Hyogo. |
| ‘Takanishiki’ | A very early-maturing cultivar with good taste and high market acceptability. It forms slightly oval bulbs with glossy, dark yellow-colored skin. Mainly cultivated in Saga. |
| ‘Shippo wase 7 go’ | Bulbs (average bulb weight: ca. 260 g) are slightly oblong in shape. An early-maturing and high-yielding genotype. |
| ‘Advance’ | An early-maturing cultivar characterized by the bulbs that are large in size (average bulb weight: ca. 300 g) and somewhat oblong in shape. Mainly cultivated in Saga and unsuitable for long-term storage. |
Number of GAP-certified farms in Japan since 2013
| 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|---|
| Global GAP-certified farms | 142 | 251 | 309 | 386 | 480 | 632 |
| ASIAGAP/JGAP-certified farms | 1,749 | 1,817 | 2,529 | 3,954 | 4,113 | 4,213 |
Production and cultivation area of bulb onion in Japan
| 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|
| Cropping acreage (ha) | 25,300 | 25,700 | 25,800 | 25,600 | 26,200 |
| Total harvest (t) | 1,169,000 | 1,265,000 | 1,243,000 | 1,228,000 | 1,155,000 |