论文部分内容阅读
沙棘属胡颓子科,沙棘属,为雌雄异株的灌木或小乔木。沙棘可保持水土,防风固沙,改良土壤,同时果实和茎叶中含有丰富的营养物质,具有良好的生态、经济和社会效益,尤在西北大开发中越来越受到重视,因此对广大种植者来说,了解和掌握沙棘的病虫害及其防治知识是完全必要的。1.主要病害及防治①干缩病沙棘干缩病被称为沙棘树的皮肤癌,主要造成枝干凹陷、变硬、干缩壮条斑当年侵染不易
Seabuckthorn Elaeagnus, seabuckthorn, dioecious shrubs or small trees. Seabuckthorn can maintain soil and water, wind and sand, improve the soil, while the fruits and stems and leaves are rich in nutrients, has a good ecological, economic and social benefits, especially in the Northwest Development more and more attention, so the majority of growers Said that to understand and grasp the pests and diseases of seabuckthorn and its prevention and control knowledge is absolutely necessary. 1. The main diseases and prevention and treatment ① dry shrinkage sickle buckthorn dry shrinkage disease is known as seabuckthorn tree skin cancer, mainly resulting in stem depression, harden, dry shrink strong streaked spot when the infection is not easy