However, too hypo regeneration frequency restricted transgene project developing of grape now. Conquering this conundrum and improving regeneration became the hot spot research in grape biotechnology breeding.

• 但是葡萄转基因工程目前发展的瓶颈是葡萄再生频率低,突破再生频率这一难题,使其高效地再生是葡萄生物技术育种在当前的研究热点。