Red Rice (Oryza sativa) Status after 5 Years of Imidazolinone-Resistant Rice Technology in Arkansas

Field experiments were conducted to investigate methods of controlling red rice (Oryza sativaL. ♯ ORYSA) in drill-seeded rice (O. sativa). Treatments included the rice cultivar ‘Mars', coated with calcium peroxide (CaO2) at 40% (w/w) and a crop protectant, R-33865 (O,O-diethyl-O-phenyl phosphorothioate) at 0.5 and 1% (v/w). Molinate (S-ethyl hexahydro-1H-azepine-1-carbothioate) at 6.7 kg ai/ha was applied preplant incorporated (ppi). The land was flooded (2.5 to 5 cm deep) after seeding with rice (100 kg/ha, 2.5 cm deep), and the water was maintained throughout the growing season. CaO2, with or without molinate, increased rice grain yield 50% and increased rice culm density fivefold above untreated rice. Molinate applied ppi controlled 96% of the red rice. Rice seed coated with only CaO2or with CaO2plus R-33865 at 0.5%, each combined with ppi molinate, produced 5690 and 6030 kg/ha of grain, respectively. These high yields were associated with red rice control by molinate and good stands of rice provided by O2supplied by CaO2. R-33865 applied to rice seed at 1% (v/w) injured rice by reducing rice culm densities 41%, compared with rice without protectant.

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Piper caninum blume leaf extract and compost to suppress blast disease and increase the production of bali red rice (oryza sativa) in green house

International Research Journal of Engineering IT & Scientific Research ◽

10.21744/irjeis.v5n4.693 ◽

2019 ◽

Vol 5 (4) ◽

pp. 46-54 ◽

Cited By ~ 1

Author(s):

Ni Luh Suriani

Keyword(s):

Oryza Sativa ◽

Crop Yield ◽

Leaf Extract ◽

Organic Fertilizer ◽

Field Research ◽

Blast Disease ◽

Red Rice ◽

The Right ◽

The Impact ◽

The Village

The parameters developed in organic farming are the use of vegetable pesticides and compost and liquid organic fertilizer. Some research has been done but it needs deeper research to get the right product. The purpose of this study was to determine the inhibitory activity of Piper caninum extract against the fungus Pyricuaria oryzae causing blast disease in rice, and to find out how much the impact of compost on increased crop yield after being combined with the extract. This research is a field research located in the village of Senganan, Penebel Tabanan Bali. With the following treatment Fo = control (100% soil). F1 = (soil 90% + compost 10% + extract 0.5%). F2 = (soil 80% + compost 20% + extract 1%) F3 = (soil 70% + 30% + extract 1.5%). F4 = (soil 60% + compost 40% + 2% extract), do repeat 4 times. The results showed that P. caninum extract effectively inhibited blast disease and could reduce the intensity of blast disease. The combination with compost can significantly increase yields (67.62%), reduce empty grains, and increase rice size.

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Genetic Analysis of Glufosinate Resistance in Crosses Between Transformed Rice (Oryza sativa) and Red Rice (Oryza sativa)

Weed Technology ◽

10.1017/s0890037x00043700 ◽

1998 ◽

Vol 12 (2) ◽

pp. 209-214 ◽

Cited By ~ 17

Author(s):

Sujatha Sankula ◽

Michael P. Braverman ◽

James H. Oard

Keyword(s):

Oryza Sativa ◽

Genetic Analysis ◽

Bar Gene ◽

Red Rice ◽

Rice Plants ◽

Ammonia Accumulation ◽

Controlled Crosses ◽

Dip Test ◽

Made In

Reciprocal controlled crosses were made in the greenhouse between Gulfmont rice transformed with the bialaphos resistance (BAR) gene and red rice and BAR-transformed Koshihikari rice and red rice to assess the inheritance of glufosinate resistance. All F1 plants were resistant to 2.2 kg ai/ha glufosinate. Ammonia accumulation as a measure of glufosinate resistance in the F1 hybrids was assayed at 4 and 8 days after treatment (DAT). Ammonia accumulation in hybrids 4 DAT was similar to glufosinate treated, transformed rice, while treated nontransformed plants accumulated 14 to 23 times more ammonia compared with the hybrids. The nature of inheritance of glufosinate resistance in F2 rice plants was studied by a glufosinate dip test, a spray test, and ammonia assay. All three tests confirmed that glufosinate resistance, as influenced by the BAR gene, segregated in a 3 (resistant): 1 (susceptible) ratio.

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Red Rice (Oryza sativa) Control and Suppression in Rice (O. sativa)

Weed Technology ◽

10.1017/s0890037x0003390x ◽

1991 ◽

Vol 5 (4) ◽

pp. 811-816 ◽

Cited By ~ 7

Author(s):

Sam L. Kwon ◽

Roy J. Smith ◽

Ronald E. Talbert

Keyword(s):

Oryza Sativa ◽

Plant Growth ◽

Grain Quality ◽

Field Experiments ◽

Red Rice ◽

Two Cultures ◽

The Two Cultures ◽

Rice Yields ◽

Sequential Treatments ◽

High Yields

Two field experiments were conducted from 1986 to 1988 to determine efficacy of herbidices and plant growth regulators for red rice control and suppression in water- and drill-seeded rice. Molinate applied PPI with fenoxaprop applied at panicle initiation (PI) of rice controlled 94 and 86% of red rice in water- and drill-seeded rice, respectively, compared with 79 and 49%, respectively, for molinate PPI alone in the two cultures. Although this treatment injured rice slightly (< 30%), rice so treated produced high yields with improved grain quality. Sequential treatments of molinate PPI followed by sethoxydim applied at PI or amidochlor applied at > 90% heading produced comparable rice yields with improved red rice control or suppression and grain quality in both cultures, compared with PPI molinate. Drill-seeded rice treated with molinate PPI followed by fenoxaprop applied at late boot or MH (maleic hydazide) applied 7 d after heading produced higher yield than rice treated with molinate PPI.

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Red rice (Oryza sativa L.) and barnyardgrass (Echinochloa spp.) biotype susceptibility to postemergence-applied imazamox

Weed Biology and Management ◽

10.1111/j.1445-6664.2005.00157.x ◽

2005 ◽

Vol 5 (2) ◽

pp. 46-52 ◽

Cited By ~ 5

Author(s):

IOANNIS VASILAKOGLOU ◽

KICO DHIMA

Keyword(s):

Oryza Sativa ◽

Oryza Sativa L ◽

Red Rice

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Molinate (S-ethyl hexahydro-1H-azepine-1-carbothioate) controls red rice (Oryza sativa) in the Burdekin Valley of North Queensland

Australian Journal of Experimental Agriculture ◽

10.1071/ea9900841 ◽

1990 ◽

Vol 30 (6) ◽

pp. 841 ◽

Cited By ~ 1

Author(s):

JE Barnes

Keyword(s):

Oryza Sativa ◽

Grain Yield ◽

Weed Suppression ◽

Red Rice ◽

Whole Grain ◽

Grain Number ◽

Grain Moisture ◽

Winter Crops ◽

Low Levels ◽

1000 Grain Weight

Molinate controlled red rice (Oryza sativa) in commercial rice (O. sativa cv. Starbonnet) giving an increasing response at rates of 3.6, 4.3, 5.0, 5.7, 6.4, 7.2, 7.9 kg a.i./ha in 1 summer and 2 winter crops. No crop injury was observed at any rate of molinate, and grain yield, grain moisture, 1000-grain weight, head counts, grain number per head, germination counts, percentage bran and head yield were not affected. In 2 experiments, the percentage of whole grain was not affected by the chemical but in 1 experiment percentage whole grain increased with the rate of chemical used. Molinate provides a substantial level of control of red rice in commercial rice but the response to the herbicide is variable. In some crops weed suppression up to about 50% control is all that can be achieved, but in other crops controls of >90% are achievable. With the low levels of infestation that usually occur in North Queensland these levels of control are acceptable.

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Red Rice (Oryza sativa) and Junglerice (Echinochloa colonum) Control in Solid-Seeded Soybeans (Glycine max)

Weed Science ◽

10.1017/s0043174500067473 ◽

1986 ◽

Vol 34 (4) ◽

pp. 582-586 ◽

Cited By ~ 11

Author(s):

James L. Griffin ◽

Thomas R. Harger

Keyword(s):

Oryza Sativa ◽

Glycine Max ◽

Propanoic Acid ◽

Red Rice

Red rice (Oryza sativaL. # ORYSA) control in soybeans [Glycine max(L.) Merr.] was 93% or more with shallow-incorporated alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide] at 3.9 kg ai/ha, metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide] at 2.8 kg ai/ha, and trifluralin [2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine] at 1.7 kg ai/ha. Junglerice [Echinochloa colonum(L.) Link. # ECHCO] control was 80% with alachlor but 90% or more with metolachlor and trifluralin when applied at the same rates. Sethoxydim {2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one} at 560, fluazifop {(±)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl] oxy]phenoxy]propanoic acid} at 280, haloxyfop {2-[4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl] oxy] phenoxy] propanoic acid} at 140, and mefluidide {N-[2,4-dimethyl-5-[[(trifluoromethyl)sulfonyl] amino] phenyl] acetamide} plus bentazon [3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4 (3H)-one 2,2-dioxide] at 140 plus 840 g ai/ha applied postemergence on two- to four-leaf red rice provided at least 87% control. Junglerice control with these treatments was 85% or more with the exception of fluazifop and mefluidide plus bentazon.

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Seed Dormancy in Red Rice (Oryza sativa). II. Response to Cytokinins

Weed Science ◽

10.1017/s0043174500062330 ◽

1982 ◽

Vol 30 (2) ◽

pp. 200-205 ◽

Cited By ~ 13

Author(s):

Marc A. Cohn ◽

Denise L. Butera

Keyword(s):

Oryza Sativa ◽

Seed Dormancy ◽

Vacuum Infiltration ◽

Red Rice ◽

Initial Ph ◽

Percent Germination ◽

Cytokinin Response

Dormant, dehulled red rice (Oryza sativa L. ‘Louisiana strawhulled′) germinated 80 to 90% at 30 C upon exposure to 10-3 M kinetin (6-furfurylaminopurine), benzyladenine (6-benzylaminopurine), or isopentenyladenine [6-(3-methylbut-2-enylamino)purine] at pH 3.5. Zeatin [6-(4-hydroxy-3-methylbut-trans-2-enylamino)purine] was also active, eliciting 45% germination at 10-3 M. Adenine was inactive at concentrations as high as 10-2 M. There was little influence of light and no effect of initial pH of the medium upon cytokinin-stimulated germination. At 20 C the response to cytokinins was reduced, but germination of non-dormant seeds was not prevented. At 30 C, the germination of dehulled red rice with 10-3 M kinetin occurred rapidly, with almost 70% germination after 2 days. When dehulled seeds were incubated in water and then transferred to kinetin, percent germination decreased as the duration of water incubation increased. The loss of cytokinin response did not parallel the timecourse of imbibition. Cytokinins did not break dormancy of intact seeds. The hull appeared to limit kinetin uptake and inhibited germination even when kinetin was forced into intact seeds by vacuum infiltration. Dry-after-ripening of intact seeds at 30 C did not increase the kinetin-sensitivity of intact red rice.

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Red Rice (Oryza sativa) Biology. II. Ecotype Sensitivity to Herbicides

Weed Technology ◽

10.1017/s0890037x00044845 ◽

1999 ◽

Vol 13 (1) ◽

pp. 19-24 ◽

Cited By ~ 25

Author(s):

Jose A. Noldin ◽

James M. Chandler ◽

Mary L. Ketchersid ◽

Garry N. McCauley

Keyword(s):

Oryza Sativa ◽

Rice Cultivar ◽

Rice Cultivars ◽

Red Rice

Greenhouse studies were conducted to evaluate sensitivity of red rice ecotypes from Arkansas, Louisiana, Mississippi, and Texas to soil- and foliar-applied herbicides. Ecotype response to herbicides was variable. Molinate at 4.48 kg ai/ha controlled red rice ecotypes 92 to 100% and cultivars ‘Lemont,’ ‘Mars,’ and ‘Maybelle’ 39 to 63%. Red rice control with thiobencarb at 4.48 kg ai/ha was at least 89%. The tank mixture of fenoxaprop at 0.08 kg ai/ha plus fluazifop-P at 0.10 kg ai/ha controlled red rice and rice cultivars more than for either herbicide applied alone. Red rice and rice cultivar control with paraquat at 0.70 kg ai/ha was 83 to 100%. Blackhulled red rice TX 4 was less sensitive to paraquat and glufosinate than other ecotypes and cultivars. Glufosinate at 1.12 kg ai/ha was required to provide at least 94% control of ecotype TX 4.

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