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Relationships Among Woolly Cupgrass Emergence Fecundity And Seedbank Dynamics And Their Impacts On Management In Corn
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Book Synopsis Relationships Among Woolly Cupgrass Emergence, Fecundity, and Seedbank Dynamics, and Their Impacts on Management in Corn by : James A. Mickelson
Download or read book Relationships Among Woolly Cupgrass Emergence, Fecundity, and Seedbank Dynamics, and Their Impacts on Management in Corn written by James A. Mickelson and published by . This book was released on 1999 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis University of Wisconsin Agronomy Department, the First 100 Years by : University of Wisconsin--Madison. Department of Agronomy
Download or read book University of Wisconsin Agronomy Department, the First 100 Years written by University of Wisconsin--Madison. Department of Agronomy and published by . This book was released on 2003 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the ... Wisconsin Fertilizer, Aglime and Pest Management Conference by :
Download or read book Proceedings of the ... Wisconsin Fertilizer, Aglime and Pest Management Conference written by and published by . This book was released on 2000 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Weed Technology written by and published by . This book was released on 2000 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1999 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nicosulfuron Tolerance and Population Dynamics of Woolly Cupgrass (Eriochloa Villosa) by : Ming-Chung Liu
Download or read book Nicosulfuron Tolerance and Population Dynamics of Woolly Cupgrass (Eriochloa Villosa) written by Ming-Chung Liu and published by . This book was released on 1999 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Woolly cupgrass survived nicosulfuron applications by initiating new tillers and because late season germination usually resulted in unsatisfactorily control. Research was initiated to determine the mechanism(s) of woolly cupgrass surviving nicosulfuron and the effects of tillage and preemergence herbicides on woolly cupgrass population dynamics. Woolly cupgrass demonstrated a strong tillering ability. When the first tiller emerged 10 to 12 d after planting, the woolly cupgrass seedling had already initiated 9 tiller buds. The vascular connection between the main stem and tillers was examined and no physical barrier was found that would prevent herbicide translocation. 14C-labled nicosulfuron was detected in the tiller buds 24 h after treatment. Woolly cupgrass tiller emergence following nicosulfuron application was not due to the herbicide restricting the tiller buds. Woolly cupgrass seed reserve was used up before the first tiller emerged, thus the seed reserve did not support the tiller growth.
Book Synopsis Woolly Cupgrass (Eriochloa Villosa (Thunb.) Kunth) Control in Corn (Zea Mays L.) and Soybean (Glycine Max (L.) Merr.) and the Influence of Moisture on Imazethapyr Diffusion by : Joseph Francis Schuh
Download or read book Woolly Cupgrass (Eriochloa Villosa (Thunb.) Kunth) Control in Corn (Zea Mays L.) and Soybean (Glycine Max (L.) Merr.) and the Influence of Moisture on Imazethapyr Diffusion written by Joseph Francis Schuh and published by . This book was released on 1990 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Tillage and Corn Row Spacing on Common Waterhemp Growth and Fecundity by : Dawn Ellen Nordby
Download or read book Effect of Tillage and Corn Row Spacing on Common Waterhemp Growth and Fecundity written by Dawn Ellen Nordby and published by . This book was released on 2003 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acceptance of integrated weed management programs has been hindered by a lack of information on crop-weed interactions. Four experiments were conducted in central Iowa during 2001 and 2002 in corn planted in 38 and 76 cm rows to determine the response of common waterhemp (Amaranthus rudis Sauer) growth parameters to corn (Zea mays) row spacing and date of common waterhemp emergence. Four common waterhemp emergence cohorts were established in each experiment corresponding to the VE, V3, V5, and V8 stages of corn (Zea mays) development. Delayed emergence of common waterhemp in corn significantly affected all growth parameters of common waterhemp. Common waterhemp survival averaged 80, 44, 3, and 1% survival for the first, second, third and fourth cohorts respectively. Mature common waterhemp height for the first cohort was 140 cm, whereas plants emerging at the V8 corn stage were only 5 cm. Corn row spacing significantly affected biomass and fecundity of the first cohort, but later cohorts were not affected by row spacing. Biomass of the first cohort was 20% less in 38 cm rows than in 76 cm rows. Biomass and seed production of waterhemp emerging at the V3, V5, and V8 corn stages decreased 80, 97 and 99%, respectively in comparison to the first cohort. Field studies were conducted in 2001 and 2002 to evaluate the influence of tillage on common waterhemp (Amaranthus rudis Sauer) seedbank behavior. Emergence of common waterhemp was greater in no-till than chisel till. Tillage did not affect the initial time of emergence; however, the time to 50% emergence was longer in no-till than chisel till. Duration of emergence did not differ among tillage systems. Common waterhemp seed was concentrated near the soil surface in no-till, whereas seed in the chisel till were primarily found between 9 and 15 cm. The delayed and increased emergence in no-till contributes to the problems in managing common waterhemp in this system.
Book Synopsis Investigations of Woolly Cupgrass (Eriochloa Villosa [Thunb.] Kunth) Interference in Corn (Zea Mays L.) by : Barry Kent Nelson
Download or read book Investigations of Woolly Cupgrass (Eriochloa Villosa [Thunb.] Kunth) Interference in Corn (Zea Mays L.) written by Barry Kent Nelson and published by . This book was released on 1999 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: A positive linear relationship existed between woolly cupgrass dry weight and seed production at both sites. The study emphasizes the importance of controlling woolly cupgrass early in the season to prevent significant corn yield loss and prevent significant recharge of woolly cupgrass in the soil seed bank.
Book Synopsis WSSA Abstracts by : Weed Science Society of America. Meeting
Download or read book WSSA Abstracts written by Weed Science Society of America. Meeting and published by . This book was released on 1998 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weed Population and Seed Bank Dynamics in Corn and Soybean Cropping Systems by : Dawit Mulugeta
Download or read book Weed Population and Seed Bank Dynamics in Corn and Soybean Cropping Systems written by Dawit Mulugeta and published by . This book was released on 1996 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Tillering on Postemergence Control of Woolly Cupgrass (Eriochloa Villosa [Thunb.] Kunth). by : Donald Clark Pullins
Download or read book Influence of Tillering on Postemergence Control of Woolly Cupgrass (Eriochloa Villosa [Thunb.] Kunth). written by Donald Clark Pullins and published by . This book was released on 1995 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1999 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Agriculture with Subject Index by :
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 2000 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Meyler's Side Effects of Herbal Medicines by : J. K. Aronson
Download or read book Meyler's Side Effects of Herbal Medicines written by J. K. Aronson and published by Elsevier. This book was released on 2008-09-23 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book summarizes the adverse effects of a large range of herbal medicines and the active ingredients that they contain. It includes extensive lists of the families of plants that are used as herbal medicines, including the Latin names of genera and species as well as the common names of individual plants. The material is drawn from the 15th edition of the internationally renowned encyclopedia, Meyler's Side Effects of Drugs: The Encyclopedia of Adverse Drug Reactions and Interactions, and the latest volumes in the companion series, Side Effects of Drugs Annuals."--BOOK JACKET.
Book Synopsis Dynamics of Weed Populations by : Roger Cousens
Download or read book Dynamics of Weed Populations written by Roger Cousens and published by Cambridge University Press. This book was released on 1995-11-24 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Puts the broad empirical knowledge on weed ecology into a theoretical framework.
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