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Authors Altop, EK; Mennan, H; Phillippo, CJ; Zandstra, BH
Author Full Name Altop, Emine Kaya; Mennan, Husrev; Phillippo, Colin J.; Zandstra, Bernard H.
Title Effect of the burial depth and environmental factors on the seasonal germination of bearded sprangletop (Leptochloa fusca [L.] Kunth ssp fascicularis [Lam.] N. Snow)
Source WEED BIOLOGY AND MANAGEMENT
Language English
Document Type Article
Author Keywords dormancy; flooded and non-flooded germination; photoblastic weed; reduced soil tillage; seedling emergence
Keywords Plus SEEDLING EMERGENCE; DIPLACHNE-FUSCA; GALIUM-APARINE; RICE; ECOLOGY; DORMANCY; WEED; POPULATIONS; CHINENSIS; TEMPERATURE
Abstract Bearded sprangletop recently was introduced to Turkey, where it has adapted to rice cultivation and become an important weed in many regions of the country. Experiments were conducted to determine the effects of light, temperature, osmotic stress, salt stress, pH and flooding on bearded sprangletop germination and emergence. Mature bearded sprangletop seeds were collected from rice fields in August 2008. Approximately 1250 seeds were wrapped in plastic fabric and buried at 2 or 10cm in pots in flooded or non-flooded conditions. In this experiment, seed germination in the light from the flooded and non-flooded treatments began in the spring, peaked in summer and decreased in the fall. This pattern was repeated the following year after exposing the seeds to natural seasonal temperature changes. As either the level of water stress or NaCl concentration increased, cumulative seed germination decreased. No seed germinated when the NaCl concentration exceeded 400mole. The level of seedling emergence decreased with an increasing burial depth. Under the flooded conditions, emergence began in late April and continued until early July, with peak emergence in the first week of June. Under the non-flooded conditions, bearded sprangletop emerged later than under the flooded conditions and the overall level of emergence was lower. The depth of burial and water stress appear to be the most important factors that limit seed germination. Germination was stimulated by light, suggesting that the seeds are positively photoblastic.
Author Address [Altop, Emine Kaya; Mennan, Husrev] Ondokuz Mayis Univ, Dept Plant Protect, Fac Agr, TR-55139 Samsun, Turkey; [Phillippo, Colin J.; Zandstra, Bernard H.] Michigan State Univ, Dept Hort, E Lansing, MI 48824 USA
Reprint Address Mennan, H (reprint author), Ondokuz Mayis Univ, Dept Plant Protect, Fac Agr, TR-55139 Samsun, Turkey.
E-mail Address hmennan@omu.edu.tr
ResearcherID Number Kaya Altop, Emine/V-2469-2017
ORCID Number Kaya Altop, Emine/0000-0002-0987-9352
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 4
Publisher WILEY-BLACKWELL
Publisher City HOBOKEN
Publisher Address 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
ISSN 1444-6162
29-Character Source Abbreviation WEED BIOL MANAG
ISO Source Abbreviation Weed Biol. Manag.
Publication Date DEC
Year Published 2015
Volume 15
Issue 4
Beginning Page 147
Ending Page 158
Digital Object Identifier (DOI) 10.1111/wbm.12078
Page Count 12
Web of Science Category Agronomy; Plant Sciences
Subject Category Agriculture; Plant Sciences
Document Delivery Number CX9WG
Unique Article Identifier WOS:000366055900003
Plants associated with this reference

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