Mild strain cross protection (MSCP) is the most effective method to control the stem pitting tristeza virus.
应用弱毒系交叉保护（MSCP）是防治茎陷点型柑橘衰退病的有效方法之一。
Packing : packing contains corrosion inhibitor to avoid stem pitting . stuffing box is deep , assuring long packing life.
填料：填料内含防腐剂，避免锈蚀阀杆。深度填料函确保较长的填料使用寿命。
The most threatening grape virosises in China are grapevine fan leaf disease, grapevine leaf roll, grapevine stem pitting and grapevine corky bark.
我国葡萄最具威胁性的病毒病有扇叶病、卷叶病、茎痘病和栓皮病。
Packing: Packing contains corrosion inhibitor to avoid stem pitting.
填料：填料内含防腐剂，避免锈蚀阀杆。
Packing: Packing contains corrosion inhibitor to avoid stem pitting.
填料：填料内含防腐剂，避免锈蚀阀杆。
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