白云石粉对苹果黑星病菌和梨黑星病菌子囊果及假囊壳产生的影响
Effect of Dolomitic Lime on Production of Asci and Pseudothecia of Venturia inaequalis and V. pirina.
作者信息
Spotts R A, Cervantes L A, Niederholzer F J A
机构信息
Oregon State University, Mid-Columbia Agricultural Research and Extension Center, Hood River 97031.
出版信息
Plant Dis. 1997 Jan;81(1):96-98. doi: 10.1094/PDIS.1997.81.1.96.
An autumn application of dolomitic lime to infected leaves on the orchard floor resulted in a decrease in the percentage of apple and pear leaves with pseudothecia, the number of pseudothecia per leaf, and the number of asci per pseudothecium of Venturia inaequalis and V. pirina. A dolomitic lime application of 5.08 metric tons per hectare reduced the ascospore dose the following spring up to 88% for pear and 92% for apple.
秋季在果园地面上对感染的叶片施用白云石粉，可使苹果和梨叶片上产生假囊壳的百分比、每片叶上假囊壳的数量以及苹果黑星病菌和梨黑星病菌每个假囊壳内子囊的数量减少。每公顷施用5.08公吨白云石粉，可使次年春季梨的子囊孢子剂量减少88%，苹果减少92%。
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