Effects of temperature on the duration of the life cycle of a Meloidogyne incognita population

被引:61
作者
Ploeg, AT [1 ]
Maris, PC [1 ]
机构
[1] Univ Calif Riverside, Dept Nematol, Riverside, CA 92521 USA
关键词
base temperature; development; heat sum; nematode; thermal time; tomato;
D O I
10.1163/156854199508388
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The generation time and reproduction of Meloidogyne incognita was studied under five soil temperatures. The life cycle was completed on tomato between average soil temperatures of 16.2 degrees C and 30.0 degrees C bat not at 35.4 degrees C. On the marigold (Tagetes hybrid) variety Polynema the life cycle was completed only at 30.0 degrees C. Estimates for the base temperature (T-b) and the required heat sum (S) were 10.1 degrees C and 400 degrees C.day respectively. The thermal time relationship for completion of the life cycle of M. incognita is discussed in relation to those of other Meloidogyne species.
引用
收藏
页码:389 / 393
页数:5
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