Chemical control of cone pests in a Norway spruce seed orchard.
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Citation
Silva Fennica. 1991. 25(2): 59-67.
| Title: | Chemical control of cone pests in a Norway spruce seed orchard. |
| Author: | Annila, Erkki; Heliövaara, Kari |
| Publisher: | Suomen metsätieteellinen seura |
| Date: | 1991 |
| Language: | en |
| ISSN: | 0037-5330 |
| URI: | http://hdl.handle.net/10138/15596 |
| Subject: |
mänty
käpytuhot käpytuholaiset siemenviljelmät siementuhot hyönteistuhot kemiallinen torjunta sienituhot siemenen laatu torjunta-aineet siemen laatu Picea abies |
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