Summary of Rutherford, California Trials, November, 2021

The photos and tables in this section present an overview of the results of a comparative herbicide application to maturing native field weeds to a small section of a dormant northern California vineyard in late fall of 2021. The study was designed and conducted by Prof. Kassim Al-Khatib of the Weed Sciences Department, University of California at Davis. BF1002 RTU was applied at the rate of 20 and 30 GPA. The herbicide glufosinate was applied in the study for comparison. Photos were taken and observations and scoring of effects were recorded at 3, 7, 14, and 21 DAT.  A second similar application was applied 21 days after the initial treatment with photos and data taken and recorded at the same intervals. For brevity, the 7 DAT information is not presented below.

Figure 1. Weed control 3 days after treatment
Table 1: Percent general, broadleaf, and grass weed control 3 days after treatment with BF1002 and glufosinate herbicides, 2021.
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A858187
BF1002 - 30 gal/A969694
Glufosinate – 0.530 lb ai/A252711
Nontreated control000
LSD (0.05)91111
Figure 2. Weed control 14 days after treatment • Belvedere Foliar LLC
Table 2a: Percent general, broadleaf, and grass weed control 14 days after treatment with BF1002 and glufosinate herbicides, 2021
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A747075
BF1002 - 30 gal/A868984
Glufosinate – 0.530 lb ai/A100100100
Nontreated control000
LSD (0.05)9135
Table 2b: Percent Bromus species, yellow clover, filaree, and wild oats control 14 days after treatment with BF1002 and glufosinate herbicides.
TREATMENTS% Bromus sp% Yellow clover% Filaree% Wild oat
BF1002 - 20 gal/A86767159
BF1002 - 30 gal/A90999069
Glufosinate – 0.530 lb ai/A1001009999
Nontreated control0000
LSD (0.05)8111110
Figure 3. Weed control 21 days after treatment • Belvedere Foliar LLC
Table 3a: Percent general, broadleaf, and grass weed control 21 days after treatment with BF1002 and glufosinate herbicides, 2021.
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A808476
BF1002 - 30 gal/A959893
Glufosinate – 0.530 lb ai/A999999
Nontreated control000
LSD (0.05)454

Table 3b:Percent Bromus species, yellow clover, filaree, and wild oats control 21 days after treatment with BF1002 and glufosinate herbicides.

TREATMENTS% Bromus sp% Yellow clover% Filaree% Wild oat
BF1002 - 20 gal/A86767159
BF1002 - 30 gal/A90999069
Glufosinate – 0.530 lb ai/A1001009999
Nontreated control0000
LSD (0.05)8111110
Figure 4. Weed control 3 days after follow up treatment • Belvedere Foliar LLC
Table 4a: Percent general, broadleaf, and grass weed control 3 days after the second application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment, 2021.
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A808476
BF1002 - 30 gal/A959893
Glufosinate – 0.530 lb ai/A999999
Nontreated control000
LSD (0.05)454
Table 4b: Percent Bromus species, yellow clover, filaree, and wild oats control 3 days after the second follow-up application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment.
TREATMENTS% Bromus sp% Yellow clover% Filaree% Wild oat
BF1002 - 20 gal/A86908068
BF1002 - 30 gal/A991009889
Glufosinate – 0.530 lb ai/A991009998
Nontreated control0000
LSD (0.05)6474
Figure 5. Weed control 14 days after second follow up treatment • Belvedere Foliar LLC
Table 5a: Percent general, broadleaf, and grass weed control 14 days after the second application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment.
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A729165
BF1002 - 30 gal/A9010083
Glufosinate – 0.530 lb ai/A100100100
Nontreated control000
LSD (0.05)547
Table 5b: Percent Bromus species, yellow clover, filaree, and wild oats control 14 days after the second application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment.
TREATMENTS% Bromus sp% Yellow clover% Filaree% Wild oat
BF1002 - 20 gal/A69958864
BF1002 - 30 gal/A891009974
Glufosinate – 0.530 lb ai/A10010010099
Nontreated control0000
LSD (0.05)7459
Figure 6. Weed control 21 days after second follow up treatment • Belvedere Foliar LLC
Table 6a: Percent general, broadleaf, and grass weed control 21 days after the second application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment.
TREATMENTS% GENERAL WEED CONTROL% BROADLEAF CONTROL% GRASS CONTROL
BF1002 - 20 gal/A729165
BF1002 - 30 gal/A9010083
Glufosinate – 0.530 lb ai/A100100100
Nontreated control000
LSD (0.05)547
Table 6b: Percent Bromus, yellow clover, filaree, and wild oats control 21 days after the second application of BF1002 and glufosinate herbicides. Second applications were made on the same plots that received the first treatment.
TREATMENTS% Bromus sp% Yellow clover% Filaree% Wild oat
BF1002 - 20 gal/A69958864
BF1002 - 30 gal/A891009974
Glufosinate – 0.530 lb ai/A10010010099
Nontreated control0000
LSD (0.05)7459
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