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板栗是我国名贵干果,在长期栽培和实生繁殖过程中,由于异花授粉和环境条件的影响,形成了许多地方种群,使板栗不但种性混杂、良莠不齐、劣多优少、晚实低产,而且不同类型和株间的经济价值相差悬殊。因此,调查和选择优良类型及单株,开展板栗优系选育,是当前快速、经济有效地提高板栗产量的重要途径。
Chinese chestnut is a valuable dried fruit, long-term cultivation and the real reproductive process, due to cross-pollination and environmental conditions, the formation of many local populations, so that not only mixed species of chestnut, good and bad, less gifted less late real low yield, and The economic value of different types and strains vary greatly. Therefore, investigating and selecting fine types and single plants and carrying out the breeding of chestnut excellent lines is an important way to increase the output of chestnut fast, economically and effectively.