盆栽仙人球长到三四年后,往往会由于顶端优势长成圆柱形或孳生许多子球,影响观赏价值。为此,笔者通过对其本身施行小手术,摸索出葫芦仙人球(见图)制作方法,可使其保持球形。方法是:取鸡蛋般大小的仙人球(越大越佳)作母球,用清水冲洗干净,然后用锋利的小刀在球的顶部下凹处挖转一周,成一个深15毫米、半径6毫米的圆形小坑。随即将一块含水棉球放在坑里,3天后拿出。这时球坑里可能腐烂,属正常现象。如果天气好,气 Potted prickly pear grow three or four years later, often due to the advantages of the top into a cylindrical or breeding many sub-ball, the impact of ornamental value. To this end, the author through its own implementation of minor surgery, worked out gourd cactus (see photo) production methods, can keep it spherical. The method is: take the egg-sized prickly pear (the bigger the better) as the cue ball, rinse with water, and then use a sharp knife dug in the top of the ball dug a week into a 15 mm deep, radius of 6 mm round Small pit. Then a piece of water-containing cotton balls in the pit, come out after 3 days. At this time the ball pit may decay, is a normal phenomenon. If the weather is good, gas