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Weedy Rice

Managing weedy rice (Oryza sativa L.) in Malaysia: challenges and ways forward

Managing weedy rice (Oryza sativa L.) in Malaysia: challenges and ways forward

... of weedy rice from herbicide ...in weedy rice to be integrated in weed management and plant breeding is something to ponder for ‘Control Gap 5’ as an approach to broaden the application ...

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Weedy Rice (Oryza sativa L ) Problem in Rice (Oryza sativa L ) Based Cropping Systems in the Philippines

Weedy Rice (Oryza sativa L ) Problem in Rice (Oryza sativa L ) Based Cropping Systems in the Philippines

... for weedy rice. These statements were: 1) weedy rice problem will in- crease if seeds are exchanged with other rice farmers; 2) the best way to reduce weedy rice is by ...

8

Distribution patterns and genetic relationships of weedy rice (Oryza sativa f  Spontanea) populations in different climatic zones in Sri Lanka

Distribution patterns and genetic relationships of weedy rice (Oryza sativa f Spontanea) populations in different climatic zones in Sri Lanka

... that weedy rice populations in wet zone had a very close genetic relationship with Oryza rufipogon, a wild rice ...cultivated rice varieties in the wet zone of the country (Matara, Matale and ...

7

Multiple Loci and Epistases Control Genetic Variation for Seed Dormancy in Weedy Rice (Oryza sativa)

Multiple Loci and Epistases Control Genetic Variation for Seed Dormancy in Weedy Rice (Oryza sativa)

... effects on seed dormancy in the weedy rice-derived back- cross population (Figures 6–8). A locus without a sig- nificant main effect on a quantitative trait may also contribute to the phenotypic variation ...

14

weedy rice-an emerging threat to paddy production

weedy rice-an emerging threat to paddy production

... of weedy rice by direct contact application of herbicide (DCA) was experimented by utilizing a specially designed wick applicator for selective drying of ear heads of weedy rice which flowers ...

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Dormancy Genes From Weedy Rice Respond Divergently to Seed Development Environments

Dormancy Genes From Weedy Rice Respond Divergently to Seed Development Environments

... in weedy rice, we evaluated genetic components of three dormancy QTL in a synchronized nondormant genetic ...of weedy rice ripened in different seasons or temperature ...

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Impacts of recent and anticipated changes in atmospheric CO2 concentrations on growth performance of weedy rice (Oryza sativa f  spontanea) biotypes in Sri Lanka

Impacts of recent and anticipated changes in atmospheric CO2 concentrations on growth performance of weedy rice (Oryza sativa f spontanea) biotypes in Sri Lanka

... weed, weedy rice (Oryza sativa ...the rice growing areas of the ...many rice growing areas irrespective of the agro-ecological zones of the country (Abeysekera, ...cultivated rice and ...

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CONTROL OF WEEDY RICE IN DIRECT SEEDED RICE USING THE CLEARFIELD PRODUCTION SYSTEM IN MALAYSIA

CONTROL OF WEEDY RICE IN DIRECT SEEDED RICE USING THE CLEARFIELD PRODUCTION SYSTEM IN MALAYSIA

... Clearfield Rice Production System is able to effectively control weedy rice, which no other herbicides or system can control in wet-seeding ...the rice industry in Malaysia by providing an ...

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Gene flow from Clearfield rice to weedy rice under field conditions

Gene flow from Clearfield rice to weedy rice under field conditions

... wild rice and commercial rice and their progenies are highly competitive (Kane and Baack ...wild rice and commercial rice have the same AA genotype as it is commonly found in the Asian region ...

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Phenotypic Selection for Dormancy Introduced a Set of Adaptive Haplotypes From Weedy Into Cultivated Rice

Phenotypic Selection for Dormancy Introduced a Set of Adaptive Haplotypes From Weedy Into Cultivated Rice

... Phenotypic selection with recurrent backcrossing was proposed to isolate genes with a major effect on a quantitative trait (W right 1952) and is now combined with QTL analysis to simultaneously discover and trans- fer ...

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Seed wintering and deterioration characteristics between weedy and cultivated rice

Seed wintering and deterioration characteristics between weedy and cultivated rice

... of weedy rice seeds was about 90% on the dry paddy and 60–80% on the flooded paddy, which was much higher than that of cultivated rice (below ...of weedy rice seeds placed in shallow ...

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Morphological and Physiological Responses of Weedy Red Rice (Oryza sativa L ) and Cultivated Rice (O  sativa) to N Supply

Morphological and Physiological Responses of Weedy Red Rice (Oryza sativa L ) and Cultivated Rice (O sativa) to N Supply

... world rice production, but is a major rice exporter, providing 12% - 14% of the annual volume of the global rice trade ...largest rice- growing state, containing over 45% of U.S. rice ...

9

Current development and strategies against GMO contamination in organic bee keeping

Current development and strategies against GMO contamination in organic bee keeping

... potato potato potato rice rice rice rice rice rice soybean soybean soybean soybean soybean soybean soybean soybean soybean soybean soybean sugar beet sugar beet sugar beet tomato tomato [r] ...

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Water Stress in Beta vulgaris: Osmotic Adjustment Response and Gene Expression Analysis in ssp  vulgaris and maritima

Water Stress in Beta vulgaris: Osmotic Adjustment Response and Gene Expression Analysis in ssp vulgaris and maritima

... to develop mechanisms of escape from water shortage (e.g. osmotic adjustment) more effectively than the cul- tivated ssp. vulgaris. Many of these accessions are phe- notypically similar to sugar beet, and are probably ...

6

MOLECULAR MARKER TOOLS FOR THE IDENTIFICATION OF WEEDY SPOROBOLUS SPECIES IN AUSTRALIA

MOLECULAR MARKER TOOLS FOR THE IDENTIFICATION OF WEEDY SPOROBOLUS SPECIES IN AUSTRALIA

... Nine species of Sporobolus having overlapping morphological characteristics have been included in ‘Sporobolus indicus complex’. Five of these nine species are noxious weeds in various states of Australia. These species ...

9

Rice Production and Requirement Scenario in Assam- A District Level Analysis

Rice Production and Requirement Scenario in Assam- A District Level Analysis

... of rice in the state was ...GDP, rice plays a significant role in the state economy. In Assam, rice has been the major food in the consumption ...of rice in the state has yet to gain the ...

5

INTEGRATED IMMINENT WIDE SCIENTIFIC POTENTIAL FROM TROPICAL WEEDY MEDICINAL PLANT OF TEPHROSIA PURPUREA (LINN ) PERS  AN OVERVIEW

INTEGRATED IMMINENT WIDE SCIENTIFIC POTENTIAL FROM TROPICAL WEEDY MEDICINAL PLANT OF TEPHROSIA PURPUREA (LINN ) PERS AN OVERVIEW

... Tephrosia purpurea (L.) pers a well-known plant of Indian and Chinese traditional system of medicines, commonly known as Sarapunkha has drawn attention of researchers in recent times. The weedy plant of T. ...

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COMPARATIVE NUTRIENTS ANALYSIS OF WEED AFFECTED AND WEEDY CHECK VARIETIES OF WHEAT

COMPARATIVE NUTRIENTS ANALYSIS OF WEED AFFECTED AND WEEDY CHECK VARIETIES OF WHEAT

... Grains of different wheat varieties (Saleem 2003, Fakhr-e- Sarhad, Ghaznavi-98, Khattakwal, Dera-91, and Pirsabak) were analyzed for their proximate composition, starch and mineral contents i.e., P, Fe, Na and K to ...

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GERMPLASM DIVERSITY OF WHEAT UNDER DIFFERENT WATER STRESS AND WEEDY CONDITIONS

GERMPLASM DIVERSITY OF WHEAT UNDER DIFFERENT WATER STRESS AND WEEDY CONDITIONS

... The available wheat germplasm was significantly different from each other and drought stress also significantly affected the grain yield of wheat genotypes.. Densiti[r] ...

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“Evaluation of allelopathic potential of Weedy Species of Vicia on Gram (Cicer Arietenum)”

“Evaluation of allelopathic potential of Weedy Species of Vicia on Gram (Cicer Arietenum)”

... Root and shoot aqueous extracts of Vicia hirsuta and Vicia sativa at 5%, 10%, 15% and 20% concentrations were applied to determine their effect on seed germination and seedling growth of test plants under laboratory ...

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