-
The Pathogenesis and Control Methods of Peach Tree Gummosis
Peach tree gummosis is a disease commonly occurring on peach trees today, and its incidence is severe. Especially in peach orchards with extensive management and weakened tree vigor, the rate of affected plants can reach over 90%. This disease severely weakens tree vigor, affects yield and quality, and in severe cases leads to dead branches and dead trees, threatening the production and development of peach trees. It is also one of the most troublesome diseases for fruit growers. I. Causes of peach gummosis. There are two causes of peach gummosis: one is non-infectious pathogens, such as gummosis caused by wounds from mechanical injury, pest and disease damage, frost damage, freeze injury, etc., or gummosis caused by physiological disorders of the tree body resulting from extensive management
-
How Are Russian Olive Foods Developed and Utilized? A Full Explanation of Pathways and Value
Russian olive (Elaeagnus angustifolia L.), also known as Guixiang willow, silver willow, or Qilixiang, belongs to the Elaeagnaceae family, genus Elaeagnus. It is an evergreen shrub. Russian olive is light-demanding, cold-tolerant, highly resistant to wind-blown sand and saline-alkali conditions, grows fast, has wide uses, and holds high economic value. Russian olive is distributed in Shaanxi, Gansu, Inner Mongolia, Ningxia, **, Qinghai and other places; in ** it is found in the Taklamakan Desert and along the banks of various rivers, and it is also distributed in Yili, Toksun and other places in northern **. Russian olive is a "treasure tree" of desert saline-alkali land; its edible value and medicinal value are both very high, and it has great potential for development into green foods.
条件筛选