Shandong Hengda Ginkgo ginkgo seedlings base 3.5.2 Early yellows. The disease mainly by inadequate soil moisture or soil insect hazards, water or land, the price of zinc deficiency caused by ginkgo trees, and after the onset of early leaf blight susceptible. Multi-onset period occurs in mid-June, early July, an increase in yellow. Prevention and treatment to identify the cause, attention arid irrigation, water humidity; zinc fertilizer should be applied as zinc, zinc sulfate and zinc or effect. 3.5.3 ultra-small ginkgo leaf roller. Before adult emergence peak with 2.5% deltamethrin 2500 times the control. Early larvae hatch with 80% dichlorvos EC 800 times spraying killed sticks. Sprayed with a mist trunk, prevention has bore into the bark of larvae. Agents with white-painted trunks, prevent adult emergence. Shandong Hengda ginkgo seedlings base (3) Trim: Ginkgo generally do not prune, because ginkgo shoot pumping hair less, even nursery seedlings ginkgo seedlings buying and selling, it should try to keep the number of branches in Shandong ginkgo seedlings prices, in order to facilitate its accelerated thickening. Seedlings will be sold in the previous year, 1.8 meters below the branches cut white fruit, after a year of growth, can be covered with notches, skin smooth, upright branches. (4) Cultivators: Cultivator appropriate conditions can improve soil permeability, ginkgo stubble cultivator has played a role in pruning can stimulate germination of more fibrous roots, cultivating a number of spring and each once. Ginkgo trees | White fruit | by Shandong Hengda Hengda ginkgo ginkgo seedlings base. Shandong Hengda ginkgo seedlings base (www.sdhdyx.com) strong, credible, in Shandong Linyi flowers industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hengda ginkgo into the brilliant and you work for a better future!