前言种子品质指标是计算播种量的重要依据之一,而种子的发芽能力,是种子播种品质的最重要指标,特别是种子的场圃发芽率,在生产上有重要意义。种子的场圃发芽率和实验室发芽率既有密切的正相关,(即种子的实验室发芽率高,场圃发芽率亦高)又有很大的不同,场圃发芽条件要比实验室发芽条件差,特别是中、小粒种子的场圃发芽率要比实试室发芽率低得多。由于种子是播种在圃地发芽的,因此生产上更需 Introduction Seed quality index is an important basis for calculating the seeding rate, and seed germination capacity is the most important indicator of seed sowing quality, especially seed germination rate of field nursery, in the production of great significance. There is a close correlation between seed germination rate and laboratory germination rate (that is, high seed germination rate in laboratory and high germination rate in field) Sprouting conditions are poor, especially in medium and small seeds germination rate is much lower than the real laboratory germination rate. Because the seeds are planted in the garden sprouting, so the production is more needed