《天津农林科技》编辑部: 贵刊于1992年第2期上报道了赤霉素与链霉素混用产生无核葡萄,我认为有一定的使用价值,我村葡萄园准备试一试。但在报道中只谈了使用浓度,没有谈什么时间进行处理,故无从入手,望在百忙中能给予答复。天津市武清县河北屯乡后洞上村胡运生 “Tianjin Agriculture and Forestry Science and Technology” Editorial: Your issue in 1992 No. 2 reported gibberellin and streptomycin mixed to produce seedless grapes, I think there is a certain value of use, my village vineyard ready to give it a try. However, the report only talked about the use of concentration, did not talk about what time to deal with, it is impossible to start, hope in the rush to give a reply. Wuqing County, Hebei Province, Hebei Tuen Township after the hole on the village Hu Yun students