oak wilt造句

• Other diseases of trees to be controlled were Oak wilt and Chestnut blight.
• Oak wilt is transmitted mostly through the interconnecting root systems of live oaks.
• One caveat : Shumard oaks and live oaks are susceptible to oak wilt.
• Oak wilt is a devastating disease, killing trees rapidly in a single season.
• The beetles carry the oak wilt spores to healthy oak trees.
• And the disease she's diagnosing isn't cancer; it's oak wilt.
• By 1989, Williamson Creek Greenbelt had been infested with oak wilt, a non-native fungus.
• Burning wood with oak wilt does not spread the disease.
• Alamo is primarily recommended for treatment of oak wilt.
• Passive oak wilt control on large acreages creates short and long term problems for oaks.
• Oak wilt affects all oak species, but affects tyloses.
• Several species are important plant pathogens, causing diseases such as oak wilt and pineapple black rot.
• Photograph of spores produced by the oak wilt fungus . ( a ) Endoconidia ( b ) Conidiophore
• It causes Japanese oak wilt disease, and is spread by the ambrosia beetle ( " Platypus quercivorus " ).
• The pathogen isn't related to the oak wilt fungus, which attacks Eastern U . S . oaks, they say.
• Oak wilt usually moves from diseased trees to healthy trees through roots that have become interconnected ( root grafts ).
• The diagnosis was oak wilt, an infectious fungal disease that has been ravaging oaks in the Hill Country for decades.
• White oak group trees rarely produce spore mats, so overland spread of oak wilt "'from white oaks "'is not a problem.
• Because of this difference in porosity, red oak group trees die faster from oak wilt disease than white oak group trees.
• Symptoms of oak wilt include leaves with veins that turn yellow or brown, while the rest of the leaf stays green.