Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 100 for “"2,4-D"”.
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Uptake, translocation, and metabolism 2,4-D in enlist crops and control of drought-stressed waterhemp (Amaranthus tuberculatus) with 2,4-D and glyphosate
The synthetic auxin herbicide, 2,4-dichlorophenoxyacetic acid (2,4-D), is one of the oldest and most widely-used herbicides in the world and is a systemic, postemergence (POST) herbicide that is selective in monocots such as corn, wheat, sorghum, and turf, but dicots are sensitive to 2,4-D. Auxin …
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Genetic Engineering of 2,4-D Resistance in Wine Grapes
There is an emerging and fast-growing viticulture industry in Illinois and the greater Midwestern U.S.A. However, one of the greatest factors limiting the establishment of vineyards in this region is the widespread use of 2,4-D, an effective herbicide used in the control of broadleaf weeds in grain …
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Biodegradability of dicamba and 2,4-D in riparian wetland soils
A general review of soils in Virginia counties bordering the Chesapeake Bay reveals that coastal plain soils, especially those most agriculturally productive, are dominantly sandy texture in the subsurface horizon, and have shallow water tables. Considering the high amounts of pesticides used in …
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Response of Grapes to 2,4-D, Dicamba, and Glyphosate Simulated Drift
In the USA, herbicides are widely used as an integral tool for weed management. With genetically modified crops such as Roundup Ready® (glyphosate-resistant) corn and soybean, herbicides that normally would have killed a crop can be used for weed control. Over years of use, some weed species have …
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The sublethal effects of 2,4-D dimethylamine on wood frog tadpoles in Saskatchewan
Declining amphibian populations in association with an incidence of deformities have been observed globally. These observations have alarmed the scientific community as well as the general public. Potential causes include exposure to pesticides; therefore two experiments were performed to test the …
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Sera domates yetiştiriciliğinde 2,4-D, 4-CPA ve Noxa'nın meyve tutumu üzerine etkisi
Araştırma, sera domates yetiştiriciliğinde 2,4-D, 4-CPA ve NOXA'nm meyve tutumu, verim, meyve şekli ve vegetatif organlara etkilerini belirlemek amacıyla yapılmış tır. Bitkisel materyal olarak Amfora, Dario ve doğal partenokarpik meyve oluşturan Carpy çeşitlerinin kullanıldığı çalışmada, 2,4-D 1.0, …
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Effects of DDT and 2,4-D (Sodium Salt) on Various Enzymes of Micropterus salmoides
No abstract prepared.
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The effect of 2,4-D, atrazine, and diuron on algal physiology and population dynamics
Field and laboratory studies were conducted to determine the ecological and physiological responses of phytoplankton to environmentally significant concentrations of atrazine, diuron, and 2,4-D. Field results would indicate that all three herbicides have a significant effect on species diversity …
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Induksi kalus akasia (Acacia mangium) dengan penambahan kombinasi 2,4-D dan BAP pada media MS
INDONESIA: Akasia (Acacia mangium) adalah salah satu spesies pohon prioritas dalam penanaman Hutan Tanaman Industri (HTI) dimana kayunya sangat dibutuhkan sebagai bahan baku pulp dan kertas. Peningkatan industri pulp dan kertas yang diprediksi pada tahun 2017, meningkat hingga 26,5% yaitu 10 juta …
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Pengaruh kombinasi ZPT BAP dan 2,4-D terhadap pertumbuhan kalus eksplan kotiledon akasia (Acacia mangium) pada media MS
INDONESIA: Benih tanaman Acacia mangium banyak dibutuhkan untuk hutan tanaman industri (HTI), sebanyak 4,5 ton untuk pemenuhan target penanaman 200.000 ha/tahun. Tingginya kebutuhan benih ini dikarenakan kayu tanaman ini memiliki banyak kelebihan, antara lain kadar selulosa > 45%, memiliki …
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Effect of time from treatment to disturbance on woody plant control with triclopyr, picloram and/or 2,4-D
Two studies were designed to test three herbicides and factors which influence their efficacy. In the first study four chemical combinations used for site preparation in southern pine, including triclopyr (3,5,6-trichloro-2-pyridinyloxyacetic acid), trichloropicolinic acid), dichlorophenoxy)acetic …
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The growth promoting effect of 2,4-Dichlorophenoxyacetic acid (2,4-D) and 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) on Microcystis aeruginosa
Microcystis aeruginosa is known widely for the obnoxious nature of its bloom. Problems resulting from blooms of the alga include: death of fish and other aquatic life, clogging of filter systems in water treatment plants, taste and odor problems, and death of cattle and water fowl via extracellular …
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Examination of 2,4-D tolerance in perennial Glycine species and the involvement of cytochrome P-450 as a tolerance mechanism
High levels of tolerance to 2,4-D ((2,4-dichlorophenoxy)acetic acid) were expressed at the cell and whole plant level by several accessions of wild perennial Glycine species. Heterotrophic cell suspension cultures of soybean (Glycine max (L.) Merr.) and four perennial Glycine accessions were used …
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Respon pertumbuhan kalus stevia (Stevia rebaudiana B.) pada media MS dengan penambahan zat pengatur tumbuh 2,4-D yang dikombinasikan dengan air kelapa
INDONESIA : Stevia (Stevia rebaudiana B.) merupakan tanaman semak yang mengandung senyawa aktif diterpen steviol glikosida, seperti Steviosida, Rebaudiosida (A, B, C, D, E, F), Steviolbiosida A, dan Dulkosida A. Kandungan metabolit sekunder Stevia berkhasiat untuk bahan obat-obatan seperti …
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Pengaruh jenis eksplan dan konsentrasi 2,4-D (2,4-Dichlorophenoxyacetic Achid) terhadap pertembuhan dan kadar metabolit sekunder (stigmasternol dan sitosterol) kalus purwaceng (Pimpinella alpina Molk)
INDONESIA: Purwoceng (Pimpinella alpina Molk.) merupakan tumbuhan obat asli Indonesia yang hidup endemik di dataran tinggi seperti di Ranu Pani pegunungan Semeru. Purwoceng merupakan tumbuhan herbal yang akarnya berkhasiat obat afrodisiak, diuretik dan tonik. Pertumbuhan dan perkembangan Purwoceng …
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Pengaruh perlakuan beberapa konsentrasi 2,4-D yang dikombinasikan dengan air kelapa terhadap pertumbuhan dan kandungan klorofil kalus alfalfa (Mediago sativa L.) pada Media MS
INDONESIA: Tanaman Alfalfa (Medicago sativa L.) merupakan jenis tanaman legum yang dimanfaatkan sebagai bahan dasar pembuatan produk kesehatan, karena mengandung klorofil empat kali lebih besar dibandingkan tanaman sayur lainnya. Kandungan klorofil dapat diperoleh melalui teknik kultur jaringan …
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Respon eksplan sambiloto (Andrographis paniculata Ness) terhadap pembentukan dan pertumbuhan kalus pada media MS dengan penambahan ZPT 2,4-D yang dikombinasikan dengan air kelapa
INDONESIA: Andrographis paniculata Ness.atau lebih dikenal dengan sambiloto merupakan salah satu tanaman obat yang memiliki banyak manfaat. Andrographis paniculata Ness., yang dikenal dengan “Raja Pahit” termasuk dalam family Acanthaceae. Senyawa- senyawa kimia aktif yang terkandung dalam tanaman …
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Investigations on the Interations of Acetolactate Synthase (ALS)-Inhibiting Herbicides with Growth Regulator and non ALS-Inhibiting Herbicides in Corn (Zea mays) and Selected Weeds
Herbicide combinations are common in corn production in the United States to control broadleaf and grass weed species. Studies were conducted in 1995 and 1996 to: (1) investigate the interactions of 2,4-D and dicamba with halosulfuron-methyl on common lambsquarters and common ragweed control in …
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Pengaruh penambahan ZPT 2,4-D dan PEG (Polyethylene Glykol) 6000 pada media MS (Murashige & Skoog) untuk produksi metabolit sekunder pada kultur kalus stevia (Stevia rebaudiana Bertoni M.)
INDONESIA: Stevia rebaudiana adalah anggota dari family Asteraceae, menghasilkan glikosida steviol (steviosida, rebaudiosida A, B, C, D, E dan dulcosida A) yang dapat digunakan sebagai bahan tambahan pangan seperti penyedap makanan atau bahan pemanis pada suplemen gizi. Penelitian ini bertujuan …
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