Toyama, Feb 28 (News On Japan) –
As Japan enters peak pollen season, the battle in opposition to cedar pollen allergy symptoms intensifies, with questions remaining on the effectiveness of re-planting forests with pollen-free bushes.
Tokyo confirmed the beginning of the cedar pollen season on February ninth, a day sooner than final 12 months and 6 days forward of the common.
Dr. Yoneyuki Ito of Miyauchi Train Ear, Nose, and Throat Clinic has famous a surge in sufferers, predominantly affected by cedar pollen, with about 70% additionally affected by cypress pollen allergy symptoms. Pollen allergy symptoms set off exaggerated immune responses within the physique, resulting in allergic reactions when particular person tolerance ranges are exceeded.
A protracted-time allergy sufferer of their 40s likened the situation to air pollution, affecting eyes, throat, ears, and pores and skin. A newcomer to pollen allergy symptoms of their 20s expressed a need for measures to forestall pollen dispersion.
Prime Minister Kishida goals to halve cedar pollen by 2050, with a objective to scale back synthetic cedar forests by 20% inside a decade. This consists of selling the planting of low-pollen varieties.
Leading the cost in opposition to pollen is Toyama Prefecture, the place efforts to mass-produce pollen-free cedar by reducing know-how have been profitable. Toyama is exclusive in producing all new cedar saplings as pollen-free.
In 1992, a pollen-free cedar was found at a shrine within the prefecture, resulting in the event of high-quality, pollen-free cedar wooden. The course of from discovery to commercialization took 20 years, gaining consideration when the then Emperor planted one among these bushes seven years in the past. His subsequent poem reflecting concern for pollen allergy victims marked a turning level in allergy mitigation efforts.
Toyama has been changing pollen-producing cedars with pollen-free varieties for the previous 12 years, however solely about 1% of cedar forests have been transformed to this point. The authorities goals to have 90% of saplings be low-pollen cedars inside a decade, however at the moment, solely 50% meet this criterion. Production strategies have been a bottleneck, with conventional seed breeding leading to a 50% loss because of pollen-bearing saplings. However, reducing know-how permits for 100% pollen-free sapling manufacturing. Seedlings take three years to achieve marketable dimension, whereas cuttings will be offered as saplings inside a 12 months. Toyama’s shift to reducing know-how goals to extend manufacturing from 100,000 to over 200,000 saplings yearly.