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| DOI: | 10.3719/weed.22.198 |
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| Web URL(s): | https://www.jstage.jst.go.jp/article/weed1962/22/4/22_4_198/_pdf
Last checked: 10/25/2013
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Takahashi, Kenji;
Sakai, Yoshiharu;
Harada, Yutaka;
Hirose, Kazuyoshi |
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| Author Affiliation: | Takahashi, Sakai, and Harada: Kagawa Agricultural Experimental Station, Fuchu Branch, Sakaide, Kagawa; Hirose: Ministry of Agriculture and Forestry, Fruit Tree Research Station, Okitsu Branch, Shimizu, Shizuoka |
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| Title: | Effects of bromacil on annual variations of weed species and population |
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| Article Series: | Effect of ten years' application with bromacil in citrus (Satsuma Mandarin) orchard, part 1 |
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| Source: | Zasso kenkyu. 1977, p. 198-202. |
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| Publishing Information: | [Tokyo]: Nihon Zasso Bojo Kenkyukai [The Weed Science Society of Japan] |
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| # of Pages: | 5 |
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| Related Web URL: | https://www.jstage.jst.go.jp/article/weed1962/22/4/22_4_198/_article
Last checked: 10/25/2013
Notes: English abstract only |
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| Keywords: | TIC Keywords: Digitaria sanguinalis; Setaria viridis; Lolium multiflorum; Commelina communis; Amaranthus blitum; Veronica persica
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| Geographic Terms: | Japan |
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| Abstract/Contents: | "1. At the Fuchu Branch of Kagawa Agricultural Experimental Station, a thorough study on the use of Bromacil herbicide in a citrus orchard was conducted over a period of ten years (1967 to 1976). the results revealed the effectiveness of this herbicide on annual variations of weed species and population. 2. The experimental method and material in this study is summarized as follows: a. Three years old citrus tree, "Hayashi" Satsuma Mandarin (Citrus unshiu Marcovitch), were planted in concrete block plots with clay loam soil. b. Bromacil 80% wettable powder were applied annually at the rate of 20, 40, 100 and 200g per. 100m2. c. Weeds in a control plot were prepared by hand mowing with no comparative herbicide used. d. Investigation on the species and population of weeds was done late in June and tenth month past application. 3. Bromacil was effective on large crabgrass (Digitaria sanguinalis Scop.), dayflower (Commelia communis L.) and other summer weeds, whereas increased growth of wild amaranth (Amaranthus blitum L.) and green foxtail (Setaria viridis L.) was noted, indicating some limitations on the spectrum of bromacil effectiveness. Incomplete effectiveness was also noted on Italian ryegrass and speed well (Veronica persica Poir.) due to the increased growth in spring. 4. Weed population and species number decreased in inverse proportion with application rates, in other words, effectiveness was proportionate with applied dosages. During the experiment period, it was observed that bromacil remained effective in a year with low precipitation. In years with heavy precipitation, duration of the effect was shortened." |
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| Language: | Japanese |
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| References: | 9 |
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| Note: | English summary appears as abstract
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Takahashi, K., Y. Sakai, Y. Harada, and K. Hirose. 1977. Effects of bromacil on annual variations of weed species and population. (In Japanese) Zasso kenkyu. p. 198-202. |
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| DOI: 10.3719/weed.22.198 |
| Web URL(s):
https://www.jstage.jst.go.jp/article/weed1962/22/4/22_4_198/_pdf
Last checked: 10/25/2013
Requires: PDF Reader |
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MSU catalog number: b9910272 |
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