ISBN: 9787222055193 - 绿叶蔬菜、葱蒜类蔬菜病虫害防治 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Pages Number: 39 Publisher: Yunnan People's Pub. Date :2008-12-01 version 1. Contents: First. the lettuce (a) the main pests and diseases 1. Downy mildew 2. Sclerotinia 3. Black spot (ring spot. leaf blight) 4. Powdery mildew 5. Virus 6. Leafminer (b) secondary pests 1. Soft rot 2. Botrytis cinerea 3. Aphids Second. celery (celery and local celery) (a) spot blight (blight) (b) celery early blight (leaf spot) (iii) Sclerotinia (D) rot (e) root knot nematode (f) leaf miner Thir. …