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板栗是我国栽培最早的经济树种之一,利用价值高,坚果营养丰富,在国际市场上享有很高声誉。是我国一项大宗出口的商品,近年来供不应求。我国板栗品种优劣不齐,对产量与品质影响较大,对板栗的低劣品种进行高接换种,不仅变劣种为良种,而且投产快,增产效果显著,几经改造换接的栗树,第三年全部结果,第五年比改接前增产四倍以上,而且果大质优,品质显著提高。
Chestnut is one of the earliest economic tree species cultivated in China. It has high utilization value and rich nutrition and enjoys a high reputation in the international market. It is a bulk export commodity in our country and has been in short supply in recent years. The advantages and disadvantages of China’s chestnut varieties, yield and quality of a greater impact on the inferior varieties of chestnut high exchange, not only bad varieties for the good, but also put into operation fast, significant yield increase effect, after several transformation of chestnut trees, In the third year, all the results will be increased by more than four times in the fifth year compared with that before the change, and the quality will be significantly improved if the quality is improved.