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本帖最后由 ItsThere 于 2020-7-22 22:03 编辑
西澳政府网站说的更仔细。。。
有时间要求早处理以免已孵化，
杀死虫卵再扔，
等等
Control methods
Cultural practices
Prune out branches affected by galls.
This is essential for controlling the gall wasp. Prune and remove as many galls as possible by June 30 each year. When pruning newly formed galls in April to June, dry them in the sun afterwards to kill the larvae before disposing of them in your green waste, compost or general rubbish.
Treat affected branches before disposal.
Wasps can emerge from galls in pruning offcuts if pruned too close to the usual emergence period.
Galls removed after June should be shredded and solarised, or burnt and deep buried.
Solarise galls by placing them in a well-sealed plastic bag, preferably by double bagging, and sitting the bag in the sun to bake for at least four weeks. Disposing of gall offcuts in normal household waste, a green verge collection or in garden bags will spread the pest to other areas
Avoid heavily fertilising trees in winter or spring.
Over-fertilising (particularly heavy nitrogen applications) can promote excessive amounts of spring growth that the gall wasp prefers.
https://www.agric.wa.gov.au/plan ... s-gall-wasp-control |
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唠嗑| 我们在一所很白的女校。 (2021-4-21) eurekana 
发表于 2020-7-22 20:24
