排序方式： 共有5条查询结果，搜索用时 93 毫秒
1
1.
2.
Occurrence of New Powdery Mildew on Greenhouse Tomato Cultivars 总被引：2，自引：0，他引：2
Yoshinori MATSUDA Koichi KASHIMOTO Yoshihiro TAKIKAWA Rika AIKAMI Teruo NONOMURA Hideyoshi TOYODA 《Journal of General Plant Pathology》2001,67(4):294-298
During a year-round survey on the occurrence of powdery mildew on greenhouse-cultivated tomato plants, the disease was most
severe in June and July. All tomato plants (45 commercial cultivars and 11 breeding lines) tested were infected with the pathogen
but had different degrees of susceptibility. The pathogen was epiphytic and produced white, round pustules mainly on leaves
of tomato plants. The pathogen produced conidia singly on conidiophores and forked appressoria on inoculated tomato leaves
and seemed to be an Oidium sp. of Erysiphe polygoni type.
Received 18 December 2000/ Accepted in revised form 22 July 2001 相似文献
3.
Ayumi SUZUKI Satoko KUSUMOTO Hiromichi HORIE Yuichi TAKIKAWA 《Journal of General Plant Pathology》2002,68(4):398-400
A bacterial leaf spot disease was observed on Hedera helix (English ivy) and H. canariensis (Algerian ivy) in Japan. The causal agent was identified as Xanthomonas campestris pv. hederae (Arnaud 1920) Dye 1978.
Received 13 May 2002/ Accepted in revised form 3 July 2002 相似文献
4.
The dry mass of zooplankton and backscatter from an acoustic Doppler current profiler (ADCP) used in Sagami Bay, Japan, from 9 to 13 April 2005 were well correlated (correlation coefficient = 0.72, root mean square dry weight = 2.5 mg m−3 ). The horizontal current field and zooplankton distribution were estimated from shipboard ADCP data. Although sea surface temperature and chlorophyll a concentration observed by satellite were consistent with the current field, a counterclockwise circulation associated with the Kuroshio meander, zooplankton were mainly distributed downstream of the phytoplankton population by horizontal current advection. 相似文献
5.
Previously, we classified Pseudomonas syringae strains into at least three groups (I, II and U) by comparing DNA homology at the hrp cluster and its neighboring regions (Inoue and Takikawa 1999). However, heterogeneous strains remained in the undetermined
group (group U). We further classify group U, using pvs. syringae and coronafaciens as references. Comparison of restriction sites for regions of each pathovar revealed distinct differences. By using probes
from the two pathovars, comparisons of DNA homology at the regions separated two additional distinct groups (III and IV) from
group U. Therefore, P. syringae strains are classified into at least five groups.
Received 4 November 1999/ Accepted in revised form 27 January 2000 相似文献
1