Kari Löyttyniemi. (1968). Teeri (Lyrurus tetrix L.) männyn taimien tuholaisena taimitarhassa. Silva Fennica vol. 2 no. 4 article id 4778. https://doi.org/10.14214/sf.a14563

English title: Feeding of terminal shoots of Scots pine seedlings by the black grouse (Lyrurus tetrix) in nursery.

Original keywords: mänty; taimitarha; taimituhot; versot; teeri

English keywords: Pinus sylvestris; nursery; Scots pine; forest nursery; seedling damages; feeding behaviour; black grouse; Lyrurus tetrix; terminal buds

Abstract | View details | Full text in PDF | Author Info

In early spring 1968 it was noticed that the black grouses (Lyrurus tetris L.) was eating terminal shoots of Scots pine (Pinus sylvestris L.) seedlings in a tree nursery in Luumäki, Southern Finland. The terminal shoots were picked 1–4 cm from the top of the seedlings. In total some thousands of two-year-old seedlings were damaged. The depth of the snow was 10–15 cm deep and only the tops of the seedlings could be seen above the surface of the snow.

The PDF includes a summary in English.

Löyttyniemi, E-mail: kl@mm.unknown

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