近年来,由于环境恶化,气候反常,楷杷冻害频繁发生,为害程度日趋严重,进入21世纪90年代,即使生态条件(温度)是枇把最适宜栽培区域的莆田楷杷产区,几乎年年都有许多枇杷幼果发生冻害 特别是十二月下旬至一月上旬的强寒流袭击,更给莆田的枇杷产业带来严重损失 楷杷“早钟6号”早熟、果大、色艳、味美,栽培经济效益高,是目前各地大面积迅速推广栽培的枇杷品种 然而“早钟6号”是早熟品种,其初 In recent years, due to the deterioration of the environment and the climate, frequent occurrence of frostbite frequently occurs and the degree of damage becomes more and more serious. In the 1990s, even though ecological conditions (temperature) are the most suitable cultivated areas in Putian, There are many young loquat freeze injury, especially in late December to early January, the strong cold attack, but also to Putian loquat industry to bring serious losses, “early bell No. 6” early maturity, fruit large, color Yan, delicious , Cultivation of high economic efficiency, is now widely spread around the cultivation of loquat varieties, however, “early on the 6th” is a precocious species, the beginning