Fu Tung Pizhou Ginkgo ginkgo seedlings base early yellowing disease is a physiological disorder caused by a deficiency. The incidence of the blade edge occurs pale yellow spots, reflective; subsequently, lesion to the leaf base expanded gradually half yellow leaves; and finally, the leaves turn brown, gray, dead or early deciduous. Occurrence: etiology and lesion expansion and weather conditions yellowing disease has nothing to do, but because of the long-term fertilizer nursery, little application of organic fertilizer, resulting in soil zinc deficiency, low humus content, poor fertility. Serious incidence rate of 80%, generally occurs in early June each year in mid-July to late August lesion rapidly expanding, diseased leaves wither. Control methods: 1, in late March to early April, on the incidence of ginkgo Chemical Zinc, 80 ~ 100g per plant saplings zinc sulfate, 1000 ~ 1500g per plant trees zinc sulfate. 2, the dry season 40 cm ginkgo tree seedling, good watering Ginkgo biloba tree, flood drainage work to do. Fu Tung Pizhou ginkgo seedlings base specific method is: first from the mother plant ginkgo seeds collected thrive perennial branches, cut off a piece of leaf 25 cm ginkgo tree seedling prices on scion, leaving only the petiole, every two to three buds cut period, and then the lower end immersed in water or wrapped scion in a damp 18 cm ginkgo tree seedling, preferably with on-demand access. You can select rootstocks from 2 to 3 years old planting seedlings, cuttings seedlings. Early close planting fruit who received bits should be about 1 meter. Full red Yang commonly used cleft grafting, cutting grafting, the scion surfacing inward, insert rootstock cut, so that the two coincide, forming layer is aligned with a plastic film with the interfaces and bind, 5 years to 8 years after grafting began Results . Jiangsu Ginkgo biloba tree | Ginkgo biloba tree | Fu Tung ginkgo (view) provided by Fu Tung Pizhou ginkgo seedlings base. Fu Tung Pizhou ginkgo seedlings base (www.pzfdyx.com) is a professional, "ginkgo tree, ginkgo seedlings, ginkgo trees, ginkgo seedlings," the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "rich east ginkgo" brand has a good reputation. We adhere to the "service first, customer first" principle, so that ginkgo Fu Tung won the trust of customers in all of the flowers and trees, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!