J Integr Plant Biol. ›› 1989, Vol. 31 ›› Issue (8): -.
• Research Articles •
Zhang Heng-yue and Li Zheng-li (Lee Cheng-lee)
The nematodes (Meloidogy incognita Chitwood.) invade near the root apex of the hop (Humulus lupulus L.), and usually lie near the meristematic zone. Fallowing their entrance, there are the formation of the giant cells and the consequent continuous divisions and activities of the flat meristematic cells, which result in formation of the nematode galls. Their sizes are also related to the number of nematodes. String beads nematode galls are often formed at the nematode-non resistant root part of the "Comet". The process of nematodes entering and later changing of the cells and tissue is almost the same as the formation of the nematode gall in other plants. Fewer nematodes can also enter the root tip of the highly resistant "Qingdao Dahua", but the subsequent special differentiation of the cells and tissues in the root have greatly restrained the activities of nematodes and ultimately to their death.
Zhang Heng-yue and Li Zheng-li (Lee Cheng-lee). Histologial Studies on the Root-Knot Nematodes Nonresistant and Resistant Root Apex of Humulus lupulus L.[J]. J Integr Plant Biol., 1989, 31(8): -.
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