Seasonal Concentration of the Pierce’s Disease Bacterium in ‘Carlos’ and ‘Welder’ Muscadine Grapes Compared with ‘Schuyler’ Bunch Grape
Seasonal Concentration of the Pierce’s Disease Bacterium in ‘Carlos’ and ‘Welder’ Muscadine Grapes Compared with ‘Schuyler’ Bunch Grape
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“卡洛斯”和“焊工”圆叶葡萄中皮尔斯病细菌的季节性浓度与“斯凯勒”串葡萄的比较
DOI：
10.21273/hortsci.19.3.419
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发表时间：
1984
期刊：
影响因子：
1.9
通讯作者：
C. M. Thompson
中科院分区：
文献类型：
--
作者：
D. Hopkins;C. M. Thompson
皮尔斯病的细菌闭塞在木质部导管中的敏感的“斯凯勒”串葡萄叶片的积累发生2个月前比更宽容的“卡洛斯”和“焊接”葡萄叶导管中的积累。叶片边缘坏死症状的第一次出现发生时，细菌闭塞的积累接近最大值-6月的最后一周，在串葡萄，8月的最后一周。细菌积累的部位主要在“卡洛斯”的叶片中，但在“斯凯勒”和“韦尔德”的叶片和茎中均有。茎枯病症状在后2个品种中更为常见。
The accumulation of Pierce’s disease bacterial occlusions in xylem vessels of leaves of susceptible ‘Schuyler’ bunch grapes occurred 2 months earlier than the accumulation in leaf vessels of the more tolerant ‘Carlos’ and ‘Welder’ muscadines. The first appearance of leaf marginal necrosis symptoms occurred when the accumulation of bacterial occlusions was approaching the maximum—the last week of June in the bunch grape, the last week of Aug. in the 2 muscadines. The site of bacterial accumulation was primarily in the leaves of ‘Carlos’, but in both leaves and stems of ‘Schuyler’ and ‘Welder’. Stem dieback symptoms are more common in the latter 2 cultivars.