The Growth and Development and Circulation of Invade and Infection of Sunflower Hyphal Cluster Cerm
Bixian Shi · Xinjiang nongye kexue · 2007
The optimal temperature for Sunflower hyphal cluster germ's sprout and the formation of ascus plate are 10～25℃,and the most suitable soil relative humidity for it is 80%～90%,and good ventilate condition is needed.The hyphal cluster' sprout does not need light,but the formation of the ascusplate needs certain diffused light.The hyphal cluster germ sprouts at the most suitable condition,and the length of the apothecia stalk is no more than 8 cm.Therefore,plowing deeply in autumn can effectively prevent the occurrence of the hyphal cluster disease in the coming year.