RESPONSE TO 4 KENAF (HIBISCUS-CANNABINUS L) PLANT INTRODUCTIONS TO MELOIDOGYNE-INCOGNITA RACE-3

被引:0
作者
LAWRENCE, GW
WEBBER, CL
MCLEAN, KS
机构
关键词
FIBER CROP; HIBISCUS CANNABINUS; KENAF; MELOIDOGYNE INCOGNITA; PLANT INTRODUCTIONS;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Kenaf plant introductions (PI468074, PI468075, PI468076, PI468077) were evaluated in the greenhouse for their host response to Meloidogyne incognita (Kofoid & White) Chitwood race 3. Five-day-old seedlings were inoculated with 5000 eggs and juveniles/500 cm(3) soil and maintained for 60 days. Uninoculated plants served as controls. Kenaf cv. Everglades 71, a parent of the Pl's, was included for comparison. Plant height, shoot and root weights of PI468077 were significantly reduced by M. incognita. Plant growth of PI468075 was not reduced bp the nematode. Meloidogyne incognita reproduced on all PI's and Everglades 71. Reproductive factors (Rf = final population/initial population) were greater than 14 for all PI's.
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页码:95 / 101
页数:7
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