Huafeng ginkgo nursery field Pizhou ginkgo seedlings disease often harm young stems, leaves, especially the most serious marry the interface. Petiole grayish black victims. Leaves onset of lesions within the white margin to expand 18 cm grafting ginkgo leaves, leaves with water burns like the onset of lesion extended to the whole leaf, leaves wilt hang 25 grafted ginkgo tree, and finally leaves turn yellow; pathogen infection bud grafting ginkgo trees, whole black buds withered, under natural conditions, the onset of symptoms is difficult to see the site. Victims of water-soaked lesion is generated stem lesion surround stem extension, when the extension of ~ weeks, the lesion above the green leaves wither down, after yellow, black stems. Occurrence: The disease often occur each year from April to June Xiaogan City grafted ginkgo, early May to June Huafeng Ginkgo Pizhou Nursery Field Control methods: 1, timely and thorough clean park, dug strain, cut a little sick and concentrated fire. 2, prior to the occurrence of disease, spray Sandofan, Swiss toxin 500 to 1000 times spray 1-2 times 25 grafted ginkgo tree, ginkgo tree [price], Xiaogan City grafted ginkgo by ginkgo nursery field Pizhou Huafeng. Huafeng Ginkgo Pizhou Nursery Field (www.qyinxing.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!