Garden industry is very important to choose a good supplier. China Garden Garden transactions as third-party authority monitoring bodies, 10 years cultivating garden land, for many years all over the landscape bases and several field trips to supervise primrose tree nurseries, able to industry influence and brand integrity force assure you this Information includes the base: good quality, adequate supply, high integrity, delivery speed and many other advantages tree primrose, buyers can be assured the transaction. Narcissus pest control one, daffodils leaf disease symptoms: growth in the early narcissus not show symptoms, or mild green mottled. As the disease progresses, the growth medium was significant symptoms of mosaic, severe leaf yellowing, distortion, plant significantly short, thin. The pathogen is Narcissus mosaic virus. Primrose tree seedlings spread by leafhoppers, juice and contacts, an important way to poison the bulb and the sub-ball is spread. The virus also infect red mouth narcissus, daffodils, hyacinths, periwinkle, amaranth, petunia, tricolor bindweed, velvet tassel chrysanthemum and other ornamental plants. In addition, cucumber mosaic virus can cause daffodils leaf disease. Control methods: 1, using the stem tip tissue culture detoxification combined with the heat treatment, training, non-toxic vaccine and the establishment of a non-toxic base cue ball. 2, pay attention to the fields of health, found that immediate removal and destruction of diseased plants, in order to avoid mass poisoning. 3, spraying of insecticides to combat the green peach aphid and other aphids and leafhoppers mass poisoning insects. The above method should be combined with the use, comprehensive management, can achieve good control. Garden industry is very important to choose a good supplier. China Garden Garden transactions as third-party authority monitoring bodies, 10 years cultivating garden land, for many years all over the landscape bases supervise and several site visits, able to industry influence and brand integrity and strength to assure you that this information includes the base : good quality, adequate supply, high integrity, delivery speed and many other advantages, buyers can be assured the transaction. Female ginkgo tree ginkgo tree grafting technique using artificial pollination method of promoting strong, often cause was not the result of many small phenomenon is the result, and the result is too large ginkgo tree will often "exhausted." Male female ginkgo tree grafting scions can be pollinated naturally, do not worry about artificial pollination in mid-2015 tree primrose prices, the result of excessive affect the normal growth of Ginkgo biloba. ? So, how do male scion of the late flowering after 1 Select ginkgo male mature male scion, releasing large amounts of light yellow pollen sacs pollen, then called on (Young) flowering, peak flowering generally only about two days; female When mature ovule micropyle leaking liquid pollination form droplets that "sexual water", this time for flowers, flowering duration of about one week. Male pollen falling into the "sex water", the female flowers before fertilization. Male general of earlier flowering tree, flowering trees and female encounter rate, natural pollination rate is not high, so you should choose late flowering, male and female flowering branches to do the same period scion grafting. 2 Select flowering large amount of male scion According to the survey, some male tree - axillary buds (those containing male axillary, below) have 1--3 male flowers, and some trees a male axillary buds have 5--9 male flowers . To select more male axillary bud containing male scion shoots do. Tree primrose wholesale price | Chinese Gardens (certified) | Trees primrose by Yangxin County Sunrise Park nursery Zhengzhou Branch. Yangxin County Sunrise Park Nursery Zhengzhou Branch (www.6789123.com/vip/13793885000/) is Zhengzhou, flowers leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Sunrise Park in leadership with the staff warmly welcome all inquiries negotiations to create the Sunrise Park a better future.