Developing Integrated Strategies to Address Emerging Weed Management Challenges in Christmas Tree Production

نویسندگان

چکیده

Weed control is an important aspect during the first few years of Christmas tree establishment, as weed competition directly relates to rate growth this time. The objectives study were evaluate efficacy organic mulch and herbicide combinations determine their phytotoxic effects on four different species trees establishment stage: Fraser fir (Abies fraseri (Pursh) Poir), blue spruce (Picea pungens Engelm.), white pine (Pinus strobus L.), Scotch sylvestris L.). Twelve treatments established in a complete randomized block design with replications each five fields. included cypress bark herbicides applied alone well untreated control. Herbicides clopyralid, oxyfluorfen, glyphosate. All at highest labeled rate. Data collection visual estimations phytotoxicity 30, 60, 90 days after treatment (DAT). Tree foliar nitrogen concentration also measured. Mulch combined provided 60%–100% all cases; two farms, significant increase when compared same without mulch. Combinations + clopyralid glyphosate oxyfluorfen resulted ratings. was decreased due some Gobles farm, N did not differ among any treatments.

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ژورنال

عنوان ژورنال: Forests

سال: 2023

ISSN: ['1999-4907']

DOI: https://doi.org/10.3390/f14050881