...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Plant Pathology Journal >Seed Mycoflora for Grain Mold from Natural Infection in Sorghum Germplasm Grown at Isabela, Puerto Rico and their Association with Kernel Weight and Germination
【24h】

Seed Mycoflora for Grain Mold from Natural Infection in Sorghum Germplasm Grown at Isabela, Puerto Rico and their Association with Kernel Weight and Germination

机译：波多黎各伊莎贝拉种植的高粱种质自然感染的籽粒霉菌种子霉菌及其与籽粒重量和发芽的关系

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Seed mycoflora, kernel weight and seed germination were evaluated for 20 sorghum germplasm lines naturally infected with grain mold during the 2002 and 2003 growing seasons in Isabela, Puerto Rico. Mycoflora analysis of the kernels revealed Fusarium semitectum as the most frequently recovered fungal species. Fusarium verticillioid.es, F. thapsinum, other Fusarium species, Curvularia lunata, Bipolaris spp., Alternaria spp., Colletotrichum graminicola and several unknown fungal species were also isolated from mold infected grain. Bipolaris spp., Alternaria spp. and C. graminicola were isolated at the lowest frequencies from infected grain. Variation was observed in the frequency of fungal species isolated between years and between germplasm lines. Seed germination was positively correlated with kernel weight and negatively correlated with the incidence of F. semitectum, C. lunata and Bipolaris spp. Non-significant negative associations between germination with Fusarium spp. and between kernel weightwith F. semitectum, F. thapsinum and C. lunata were also observed. Significant negative associations occurred between the incidence of F. semitectum with the frequency of C. lunata and F. thapsinum. The incidence of grain mold did not reduce seed germination for several sorghum lines, suggesting potential sources of tolerance for sorghum improvement.
机译：在波多黎各伊莎贝拉市的2002年和2003年生长季节，对20种自然受谷物霉菌感染的高粱种质进行了种子支原体，仁重和种子萌发的评估。麦粒的麦考弗拉分析显示，镰刀菌是最常回收的真菌物种。还从霉菌感染的谷物中分离了镰刀镰刀菌、,镰刀菌，其他镰刀菌种，弯孢弯曲菌，双极菌，链格孢菌，炭疽菌和几种未知的真菌。 Bipolaris spp。，Alternaria spp。从感染谷物中以最低的频率分离到了玉米粉虱和灰粉虱。几年之间以及种质系之间分离出的真菌种类的频率存在差异。种子发芽与籽粒重量呈正相关，与半裸镰刀菌，月球梭菌和双极菌的发生率呈负相关。发芽与镰刀菌属之间的非显着负相关。在半实镰刀菌的粒重之间，还观察到了番茄镰刀菌和月球梭菌。 F. semitectum的发生与月球梭状芽胞杆菌和tha。num。thapsinum的发生之间存在显着的负相关。谷物霉菌的发生并没有减少几种高粱品系的种子发芽，这暗示了高粱改良耐性的潜在来源。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号