|Table of Contents|

INFLUENCES OF TILLAGE PRACTICES ON THE NUMBER OF SOYBEAN CYST NEMATODE POPULATION(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2007年02期
Page:
208-212
Research Field:
Publishing date:

Info

Title:
INFLUENCES OF TILLAGE PRACTICES ON THE NUMBER OF SOYBEAN CYST NEMATODE POPULATION
Author(s):
ZHU Yan;  CHEN Li-jie;  DUAN Yu-xi
Plant Nematology Laboratory, Plant Protection College, Shenyang Agricultural University, Shenyang 100161
Keywords:
Tillage practices; Soybean; Soybean Cyst Nematodes
PACS:
S344.13
DOI:
10.3969/j.issn.1000-9841.2007.02.019
Abstract:
The influences of 4 types tillage practices，continuous cropping (CC),rotation (RO),lowland fieid turn to glebe (LTG) and abandonment of arable land (AAL) on the number of Soybean Cyst Nematode(SCN) population at seedling stage of soybean were studied in this paper. The results showed that continuous cropping notably increased the cyst number of soybean field in soil, but abandonment of arable land made the cyst number of soybean field in soil accumulate at least, next were the cyst number of lowland field turn to glebe and rotation in Heilongjiang and Liaoning Province. Continuous cropping accelerated remarkable increase of the number of cysts on the root surface and inside root, moreover with the increasing of continuous cropping years, the number of cyst nematodes inside root as well remarkable increased. Rotation made the occurrence of Soybean Cyst Nematodes on the root surface and inside root less than continuous cropping, but higher than lowland field turn to glebe and abandonment of arable land, and among three rotation methods, rotation of corn corn soybean made the cysts number in soil accumulate at least, and the occurrence of Soybean Cyst Nematodes on the root surface and inside root were less. Lowland field turn to glebe made the occurrence of Soybean Cyst Nematodes on the root surface and inside root also were less. In abandonment of arable land, cyst nematodes weren’t found on the soybean root surface, moreover the number of cyst nematodes were less. To some extent using soybean seed coating could constrain or disturb cyst nematode’s hatch and infection.

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Last Update: 2014-10-21