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近年来,我省板栗的栽植呈上升势头,但许多地区的板栗空苞现象严重。所谓板栗空苞,就是指粟棚内的栗子没有正常发育,干瘪,有壳无肉,无食用价值。据调查,板栗正常生长地区平均有15%空苞率,有些地区空苞率达50%以上。这种空苞现象严重影响板栗的产量。
In recent years, the planting of chestnut in our province has been on the rise, but the phenomenon of empty chestnut in many areas is serious. The so-called chestnut empty bracts, refers to the chestnut chestnut shed no normal development, dry, no meat shell, no food value. According to the survey, the normal growth area of chestnut average 15% of empty shell rate, in some areas more than 50% of empty shell rate. This empty margin phenomenon seriously affects the yield of chestnuts.