问题:播种前种子需要经过低温处理的花卉有:鸢尾、德国鸢尾、高报春、()
Saturday, February 10, 2024
Tuesday, January 23, 2024
Saturday, May 4, 2024
问题:按树木的园林用途将园林树木分为:园景树、庭荫树、行道树、观花树、垂直绿化树、()
Monday, March 25, 2024
问题:评定优良种子的标准有:()、生活力强、发育充实、纯洁度高、无病虫害。
Wednesday, November 15, 2023
Tuesday, January 23, 2024
Saturday, May 4, 2024
Tuesday, April 23, 2024
问题:生长期间不需要做摘心处理的花卉有:凤仙花、鸡冠花、三色堇、翠菊、麦杆菊、()
Friday, February 23, 2024
Saturday, May 4, 2024
问题:属于长日照的花卉有:爪叶菊、紫罗兰、翠菊、金鱼草、()
Sunday, September 24, 2023
Tuesday, April 23, 2024
问题:按照经典遗传学对基因的概念,可以把()和突变单位统称为结构单位。这样基因即是一个结构单位,又是一个功能单位。
Sunday, February 11, 2024
Saturday, April 27, 2024
问题:春花树种:杜鹃、玉兰、含笑、碧桃、樱花、海棠、()、()
Saturday, February 10, 2024
Wednesday, August 16, 2023
Saturday, April 27, 2024
Sunday, September 24, 2023
问题:园林植物中耐水湿的树种有:柳类、柽柳、紫穗槐、()、榔榆、桑。
Tuesday, September 13, 2022
Wednesday, October 4, 2023