多效唑对初果期枣树生长发育调控的效应试材为１９８６年定植的金丝小枣，８月４日挖环沟（宽深各为２０～３０ｃｍ）施入与少量细土混匀的多效唑。设株施１６０ｍｇ和２４０ｍｇ两个处理，以不施为对照，施后灌小水，单株小区，重复８次。结果表明：多效唑处理后的第２年... Effect of paclobutrazol on jujube tree growth and development in early stage The test material was jujube (Ziziphus jujuba Mill.) Which was planted in 1986. On August 4, the paclobutrazol (20-30 cm wide and deep) . Plants were given 160mg and 240mg two treatments to not be used as a control, irrigation after irrigation, single plant, repeated 8 times. The results showed that: paclobutrazol treatment of the second year ...