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citrus disease management is important for commercial and backyard growers

500App下载州奥本大学.—Disease is a real and persistent threat for commercial citrus growers. A large part of citrus disease management actually starts with home citrus growers. Having proper disease management practices in home gardens is paramount to the safety and success of commercial-scale citrus operations.

五种联邦管制的害虫

500App下载州 合作推广系统 Plant Pathologist, Kassie康纳, said growing citrus in the backyard is difficult because of two major limiting factors—disease and lack of cold hardiness.

“的se factors have limited their use in 500App下载州 landscapes to Mobile and Baldwin counties, 以及Wiregrass地区,”康纳说. “Citrus are susceptible to a number of disease and insect pests, some of which can be damaging to the entire citrus industry.”

Conner said it is imperative for home gardeners to watch their citrus trees carefully for five different federally regulated 柑橘类疾病 and insects. 的se five regulated diseases and insects include

  • Huanglongbing (HLB or citrus greening)
  • 柑桔木虱
  • 柑橘溃疡病(CC)
  • 柑橘黑斑病(CBS)
  • 甜橙疮痂病
图4. Lopsided fruit caused by citrus greening. (照片来源:杰弗里·W. Lotz, Florida Department of Agriculture and Consumer Services, Bugwood.org)

Lopsided fruit caused by citrus greening. (照片来源:杰弗里·W. Lotz, Florida Department of Agriculture and Consumer Services, Bugwood.org)

In 500App下载州, professionals have identified all of the previously-mentioned pests–except for CBS. Baldwin and Mobile counties are under quarantine for HLB and SOS and the entire state is under quarantine for ACP.

2月. 11, the 500App下载州 Department of Agriculture and Industries established a citrus canker quarantine in Mobile County.

Learn more about these diseases and control methods in 500App下载州扩展’s publication, 照料家庭园丁的柑橘.

疾病具有高度传染性

的 regulated 柑橘类疾病 can be highly contagious. 的y spread by wind-driven rain, overhead irrigation, flooding and human movement.

“Environmental factors, such as wind and rain, cannot be controlled,”康纳说. “然而, the spread of pests by humans is manageable by preventing transportation of infected plant material.”

One of the ways homeowners can prevent the spread of citrus pests is by purchasing citrus trees that are under a compliance agreement with the state of 500App下载州. Trees grown as part of the agreement will have a tag with a registration number, 表明零售商的遵守.

检查

首页owners growing backyard citrus may be subject to occasional inspections by the 500App下载州 Department of Agriculture and Industries (ADAI). 检查 are routine and important because of the economic damage regulated citrus disease can cause to the state’s citrus industry.

Conner emphasizes the importance of grower cooperation in an attempt to protect 500App下载州 citrus farms.

“If a positive occurrence of a regulated pathogen or pest is found on your property, 这些植物需要被摧毁,”康纳说. “的se regulated pathogens may kill or make the plant unproductive over time and serve as a reservoir for spreading the diseases to other citrus on the property or your neighbor’s property.”

No cure currently exists for regulated citrus pathogens.

更多的信息

首页owners who suspect a regulated citrus disease on backyard plants can contact the ADAI’s Plant Protection Division, their local Extension agent or the Auburn University Plant Diagnostic Lab. More information about regulated and unregulated citrus pests in 500App下载州 can be found in the 500App下载州扩展 publication Citrus Pest Identification and Management Guide.

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