番茄保果须从栽培技术措施入手,在培育壮苗、适时定植、加强肥水管理、水分和营养协调、打好丰产苗架、合理调节营养生长与生殖生长关系的基础上,可应用下列三种植物生长激素保果:一是“九二二○”保果,用100ppm 溶液,即1克“九二○”粉剂兑水10公斤涂花;二是“2,4-D”保果,用浓度为10 Preserved fruits and vegetables should start from the cultivation techniques and measures to cultivate strong seedlings, timely colonization, to strengthen water and fertilizer management, water and nutrition coordination, lay a good seedling, reasonable regulation of vegetative and reproductive growth based on the relationship between the following three Plant Growth Hormone Preservation: First, “9220 ” fruit, with 100ppm solution, that is, 1 gram “920 ” powder watered 10 kg Tuhua; second is “2,4-D ”Paul fruit, with a concentration of 10