scholarly journals Effects of Water Depth and Temperature on the Seedling Growth of Wild Rice, Zizania palustris L.

1993 ◽  
Vol 62 (3) ◽  
pp. 414-418 ◽  
Author(s):  
Takuma GEMMA ◽  
Hideho MIURA ◽  
Katsumasa HAYASHI
Keyword(s):  
Seedling Growth ◽  
Water Depth ◽  
Wild Rice ◽  
Zizania Palustris

Variation in wild rice (Zizania palustris) stands across northern Saskatchewan

1986 ◽  
Vol 64 (6) ◽  
pp. 1204-1211 ◽  
Author(s):  
O. W. Archibold ◽  
B. J. Weichel
Keyword(s):  
Water Depth ◽  
Wild Rice ◽  
Plant Performance ◽  
Stem Density ◽  
Individual Plant ◽  
The West ◽  
Zizania Palustris ◽  
Stand Productivity ◽  
Regional Trends ◽  
Northern Saskatchewan

Variations in wild rice (Zizania palustris L.) morphology and stand productivity have been evaluated for 20 sites across northern Saskatchewan. Although considerable within-stand variation occurred, significant between-site differences were also detected, and regional trends were clearly evident. Plant development was more rapid in the eastern part of the province, and harvest began about 1 week earlier here. However, in the west, individual plants were typically more robust, tillering was more common, and the number of florets borne on the panicle was generally larger. Consequently, potential seed production from an individual plant was highest in these western districts, although differences in stem density and seed weight at the various sites offset individual plant performance to some extent. Differences in water temperature and water depth occurred across the province in July, while in August, water depth, pH, and conductivity were significantly correlated with longitude. Water depth and pH were most strongly related to plant performance, shallower water and higher pH being characteristic of the western sites.

Hypoxic metabolism in wild rice (Zizania palustris): enzyme induction and metabolite production

1993 ◽  
Vol 89 (1) ◽  
pp. 165-171 ◽  
Author(s):  
Douglas G. Muench ◽  
O. William Archibold ◽  
Allen G. Good
Keyword(s):  
Enzyme Induction ◽  
Wild Rice ◽  
Metabolite Production ◽  
Zizania Palustris

Wild rice (Zizania palustris L.) prevents atherogenesis in LDL receptor knockout mice

2013 ◽  
Vol 230 (2) ◽  
pp. 284-292 ◽  
Author(s):  
Gangadaran Surendiran ◽  
ChunYan Goh ◽  
Khuong Le ◽  
Zhaohui Zhao ◽  
Fatemeh Askarian ◽  
...  
Keyword(s):  
Knockout Mice ◽  
Wild Rice ◽  
Ldl Receptor ◽  
Zizania Palustris ◽  
Ldl Receptor Knockout Mice

Toxicity of sulfide to early life stages of wild rice (Zizania palustris )

2017 ◽  
Vol 36 (8) ◽  
pp. 2217-2226 ◽  
Author(s):  
Douglas J. Fort ◽  
Kevin Todhunter ◽  
Troy D. Fort ◽  
Michael B. Mathis ◽  
Rachel Walker ◽  
...  
Keyword(s):  
Wild Rice ◽  
Early Life ◽  
Life Stages ◽  
Early Life Stages ◽  
Zizania Palustris

Effects of Giant Burreed (Sparganium eurycarpum) and Shade on Wild Rice (Zizania palustris)

Weed Science ◽  
1987 ◽  
Vol 35 (5) ◽  
pp. 640-646 ◽  
Author(s):  
Sharon A. Clay ◽  
Ervin A. Oelke
Keyword(s):  
Wild Rice ◽  
Dry Weight ◽  
Fertilizer Application ◽  
Shoot Density ◽  
Growth And Yield ◽  
Zizania Palustris ◽  
Major Mechanism ◽  
Panicle Number ◽  
In The Wild ◽  
Sparganium Eurycarpum

Studies were conducted at Grand Rapids, MN, to determine the effect of giant burreed (Sparganium eurycarpumEngelm. # SPGEU) planted at 6, 12, and 24 corms/m2on wild rice (Zizania palustrisL. ‘K2′) growth and yield. Giant burreed, a spreading perennial, had shoot densities of 21, 29, and 42/m2at harvest for the 6, 12, and 24 corms/m2treatments, respectively. Wild rice yield and panicle number were reduced approximately 60% when giant burreed shoot density was 40/m2or higher when compared to the weed-free control. Giant burreed did not interfere with nutrient uptake of wild rice on a whole-plant basis, and increased N fertilizer application did not reduce losses in dry weight. Giant burreed reduced penetration of photosynthetically active radiation (PAR) from 2 to 35% in the wild rice canopy from the early tillering to the anthesis stage of wild rice development. In growth chamber studies, wild rice dry weight and panicle number were reduced by 46 and 65%, respectively, when wild rice was shaded for 12 weeks and compared to a full light treatment. Reduction of PAR penetration into the wild rice canopy appears to be the major mechanism of giant burreed interference with wild rice.

Chemical Control of Giant Burreed (Sparganium eurycarpum) in Wild Rice (Zizania palustris)

1990 ◽  
Vol 4 (2) ◽  
pp. 294-298
Author(s):  
Sharon A. Clay ◽  
Ervin A. Oelke
Keyword(s):  
Chemical Control ◽  
Wild Rice ◽  
Dry Weight ◽  
Amine Salt ◽  
Leaf Stage ◽  
Zizania Palustris ◽  
Sparganium Eurycarpum

The response of giant burreed to bentazon, propanil, 2,4-D (amine salt), and 2,4-D plus crop oil (0.5% v/v) was evaluated at the 2-aerial-leaf stage of wild rice. Bentazon, 2,4-D, and 2,4-D plus crop oil at 1.1 kg/ha or more in 1984, and propanil and 2,4-D plus crop oil at 4.5 kg/ha in 1985 reduced giant burreed dry weight. Generally, herbicide rates above 1.1 kg/ha injured wild rice and reduced yields compared to weed-free controls. None of the study treatments resulted in effective giant burreed control without unacceptable injury to wild rice.

scholarly journals Interaction of Temperature and Moisture on Infection of Wild Rice by Bipolaris oryzae in the Growth Chamber

Plant Disease ◽  
1997 ◽  
Vol 81 (10) ◽  
pp. 1193-1195 ◽  
Author(s):  
J. A. Percich ◽  
R. F. Nyvall ◽  
D. K. Malvick ◽  
C. L. Kohls
Keyword(s):  
Wild Rice ◽  
Period Length ◽  
Growth Chamber ◽  
Optimum Temperature ◽  
Dry Period ◽  
Bipolaris Oryzae ◽  
Flag Leaves ◽  
Zizania Palustris

Infection of wild rice (Zizania palustris) flag leaves by Bipolaris oryzae was studied at temperatures of 5 to 35°C and wet periods of 2 to 36 h after inoculation. Lesion densities (lesions/cm2) increased with increasing wet periods depending on optimum temperature. High rates of infection occurred at 25 and 30°C and generally increased with continuous wet periods of 16, 18, 24, and 28 h. There were no lesions at 5°C and few at 10 and 35°C. Lesion densities declined when wet periods of 2, 4, or 6 h were interrupted by dry periods of 4, 6, 8, 10, or 12 h followed by a final 14 h of wetness. Lesion densities decreased at all temperatures with increased dry periods regardless of the initial wet period. The interaction of dry period length × wet period length × temperature was significant at the 0.5% level. With continuous wet periods, lesion numbers were highest at 25 to 30°C.

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