异戊烯基腺膘呤类是一种植物细胞分裂素类植物生长调节剂 ,能促进粮食、果树、蔬菜等作物叶绿素增加 ,增强光合作用 ,提高产量 ,还能改善品质 ,增加瓜果含糖量 ,提高作物抗病性。我所于 1999年进行了田间试验研究 ,以明确番茄施用两种不同含量的异戊烯基腺膘呤类生长调节剂对植 Isopentenyl adenine is a plant cytokinin plant growth regulator, can promote food, fruit trees, vegetables and other crops increased chlorophyll, increased photosynthesis, increase yield, but also improve quality and increase fruit sugar Amount, improve crop disease resistance. In 1999, I conducted a field experiment to determine the effect of two different levels of isopentenyl adenine growth regulators on tomato