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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 50 for “"Corn Plants"”.
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Determination of Root Uptake and Movement of Benomyl Within Corn Plants
Made available in DSpace on 2014-12-10T23:32:44Z (GMT). No. of bitstreams: 1 7310025.pdf: 1305975 bytes, checksum: 2fb823ac0077b3bd1f9440304afc38c4 (MD5) Previous issue date: 1972
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Quantitative Determination of the Elements in the Nodes and Internodes of Normal and Abnormal Corn Plants
During the last decade the annual loss due to corn rot diseases has been so great that much attention has been given this problem. These diseases, according to several authorities are caused by certain fungi and bacteria which live parasitically upon the corn plant and are known as root, stalk and …
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Effect of Variation in Concentration of Potassium and Calcium in Nutrientmedia on the Growth, Nucleotides, Nucleic Acid and Protein Content of Young Corn Plants
Made available in DSpace on 2014-12-04T20:17:04Z (GMT). No. of bitstreams: 1 6100175.pdf: 3787691 bytes, checksum: 24b5f1e48521c3c1f3ae4db298176681 (MD5) Previous issue date: 1960
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Relationships among nutrient concentrations in corn (Zea mays L.) plants and extractable soil nutrients
… to determine relationships among nutrients in corn plants on soils with high yield potentials, to study the suitability of soil tests for estimation of micronutrient concentrations in plants, and to determine if B fertilization affects corn grain yields on selected Virginia soils. Fifty-three …
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Relationships between seedbed preparation and growth of corn and tobacco plants
… by plowing with respect to yield of tobacco and corn plants and to compare uptake of P by corn plants from surface and mixed applications of superphosphate. A further aim was to determine the relationship between P uptake by oat plants and inorganic P fractions of three Virginia soils which …
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The in planta role of the global regulator Lrp in the bacterial phytopathogen Pantoea stewartii subsp. stewartii
… that causes the disease Stewart's wilt in corn. The insect vector Chaetocnema pulicaria, the corn flea beetle, transmits P. stewartii into corn plants through wounds in the leaves. The bacteria can then move to the xylem of the plant where they form a biofilm that inhibits the flow of …
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Correction and diagnosis of boron deficiency in corn
… region to determine the response of irrigated corn (<i>Zea mays</i> L.) to boron application. Two treatments applied to each of the soils consisted of 1) a control and 2) both band and foliar boron applied at rates of 2.0 and 0.5 kg ha⁻¹, respectively, as Solubor when corn plants were in the V5 …
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From field to feed: The effects of fungicidie application and cutting height on the quality and in situ degradability of corn ensilied as whole plant corn silage
… application on brown mid-rib (BMR) whole plant corn silage (WPCS) yield, chemical composition, and in situ degradability. Foliar fungicide (prothioconazole and trifloxystrobin; Delaro, Bayer CropScience) treatments were randomly assigned to one of sixteen 0.21-hectare plots as follows: control …
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Boron chemistry in selected Virginia soils and hydroxy aluminum and iron systems
… These fractions of B are readily available to plants. A large part of the total B was associated with non-crystalline and crystalline Al and Fe minerals and soil silicates. These forms of B contribute little to B absorption by plants. Hot water soluble B, NH₄-acetate extractable B, mannitol …
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Response of corn to manganese application on Atlantic coastal plain soils
Although corn plants are tolerant of low levels of available soil Mn, Mn deficiencies in corn were suspected on soils where Mn applications had previously increased soybean seed yields. Five experiments were conducted in farmer's fields to evaluate the response of corn to Mn applications. Three …
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Photodynamic Herbicide Modulators
… properties on the two major greening group of plants, i.e. the DDV/LDV and DMV/LDV groups. The following conclusions were made: (1) Cucumber, a DDV/LDV plant species, was highly susceptible to photodynamic herbicides. Protochlorophyllide was the most ubiquitous of the damage-causing anabolic …
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Western corn rootworm (Coleoptera: Chrysomelidae; Diabrotica virgifera virgifera LeConte) emergence and abundance in transgenic cornfields with structured and seed blend refuges
In the United States and Canada, western corn rootworm (Coleoptera: Chrysomelidae; Diabrotica virgifera virgifera LeConte) larvae have been managed using transgenic Bt (Bacillus thuringiensis Berliner) corn hybrids expressing toxic Cry proteins (i.e., Cry3Bb1, Cry34Ab1/35Ab1, mCry3a) for a decade. …
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Influence of tillage and mulch on the early growth of corn
… and mulch treatments on the early growth of corn plants. The objectives of this research were: (1) to separate and measure the effects of tillage and mulch on early growth of corn, (2) to determine whether observed differences in corn growth represented a response to soil temperature or to …
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Fate and Utilization of Fertilizer in Inbred and Hybrid Corn Production
… crop rotation on uptake of fertilizer N in seed corn production, corn inbred lines were grown in corn-corn and corn-soybean (Glycine max L. Merr.) rotations using N application rates of 0 to 144 lb acre$\sp{-1}$. When corn was the previous crop, seed yield of all increased with increasing N rate …
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Effect of Poultry Litter-Yard Waste Compost Application on Phosphorus Availability in Diverse Soils
… (PL) and yard waste (YW) as a soil amendment for corn (Zea mays L.) production. Objectives of this research were to evaluate effects of pre-compost C:N substrate ratios for poultry litter-yard waste compost (PYC) on the availability of soil P, to determine the P response of corn plants to …
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Food safety through fungal disease and mycotoxin mitigation on dairy farms: From field to feed and the rumen
… such challenge common for cows fed whole-plant corn silage (WPCS) is the often negative effect of fungi. Fungi affect WPCS both in the field and post-harvest; and can cause serious issues for cows that consume it. The use of fungicide (FUN) in the field and feeding adsorbents (AD) to cows are …
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Effect of sulfur fertilization on yield and chemical composition of corn forage and utilization of corn silage by sheep
… and 67 kg/ha as a single or split application on corn (Zea mays L.) forage yield and chemical composition. Sulfur fertilization by either method increased yield of whole plant and grain 7% and increased number of plants with two ears. Total S and sulfate-S concentration in whole corn plants, leaf, …
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Western corn rootworm damage assessment in Virginia and adult sampling with commercial yellow sticky traps
The risk of corn rootworm damage to continuously-grown corn was assessed in 32 fields from seven counties in Virginia in 1993 and 1994, Approximately 28% of the fields examined had economic root damage in corn left untreated with a soil insecticide. In addition, 190/0 of the fields overall had an …
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Corn planting strategies in the United States Corn Belt
In Illinois, corn (Zea mays L.) producers aim to start planting operations in mid-April. Early planting allows for the use of longer-season corn varieties, which tend to yield more than shorter-season varieties. However, constraints to early planting in the U.S. Corn Belt include excessive soil …
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