Climate breakdown could cause British apples to die out, warn experts

게시됨 2023년 2월 11일

Tridge 요약

Climate change is threatening the survival of classic British apples, as traditional tree varieties require a certain number of 'chilling hours' to lie dormant during winter. This is necessary for energy conservation and fruit production. However, rising temperatures are preventing these trees from entering this dormant state, leading to a decline in apple crops. To address this issue, the Royal Botanic Gardens, Kew, is experimenting with planting apple trees of various types, including heritage, low-chill, and tropical varieties, to find one that can thrive in London's increasing warmth. The trial includes apples like nonpareil, Cox's orange pippin, Gala, and Fuji, with initial results expected in three years. This initiative aims to find a solution to the challenges faced by apple growers due to climate change and labor shortages.

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원본 콘텐츠

Classic British apples may die out and be swapped for varieties from New Zealand and Japan, as climate breakdown means traditional fruits are no longer viable. Apples such as pippin or the the ancient nonpareil, grown in Britain since the 1500s, are struggling in the changed climate because there are not enough “chilling hours” for the trees to lie dormant in winter and conserve energy for growing fruit. Scientists at Royal Botanic Gardens, Kew, are planting 40 apple trees, a third of which are heritage varieties that once grew in its Georgian kitchen gardens. Another third are new varieties bred to need less cold over winter, and the final third are from warmer countries including South Africa. The varieties will be compared to see which has the best crop in London’s warming temperatures. In January, the Met Office announced that 2022 had been the sixth warmest year on record, and it looks as if 2023 will be another record-breaker. But though many crops are affected by the ...

출처: TheGuardian