芽变种“无刺鸡心枣”选育初报鸡心枣是我省新郑枣区特有的一个优良品种，该枣营养丰富，含糖量高达７０％左右，蛋白质１．２％左右。以香甜味美而远销海外。但其刺多、刺长、刺密。每个二次枝基部和二次枝节上都生有一对针刺，每对针刺有直针刺、钩刺两种，不便于枣园管... Preliminary Study on Breeding of Bud Variety “Spinning Chicken Heart-date” Jixin jujube is an excellent variety unique to Xinzheng jujube district in our province. The jujube is rich in nutrition with about 70% of sugar content and about 1.2% of protein content. To sweet and delicious and exported to overseas. However, the sting, thorn long, tight. Each secondary branch and secondary branches are born with a pair of acupuncture, each pair of acupuncture have acupuncture, barbed two, inconvenient jujube garden ...