Term
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Definition
| process by which a pesticide passes from one system into another-e.g., from soil to root cells or leaves to leaf cells |
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Term
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Definition
A dry, bare, one seeded fruit
Ex. Sunflower |
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Definition
| Occurs when herbicide moves into the soil without any chemical change in the active ingredient |
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Term
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Definition
| The chemical in a herbicide formulation that is primarily responsible for the herbicide's effect on the plant |
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Term
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Definition
| Any substance in pesticide formulation that improves pesticide activity or application |
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Definition
| The process by which a pesticide becomes attached to a surface, such as soil particles or leaf surface |
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Definition
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Term
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Definition
| Occurs when one plant produces chemicals that inhibit the establishment and growth of others |
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Definition
| A plant that completes its life cycle in less that 1 year |
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Definition
| Tip, as of a leaf or stem |
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Term
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Definition
| water flowing from the spray equipment back into the water source through the connecting hose |
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Definition
| The ground on the side of a drainage ditch along a road |
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Term
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Definition
Application of a pesticide to encircle the stem of a plant above and at ground level
.Mostly for woody plants |
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Definition
| The ground area beyond the ballast of a railroad row |
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Term
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Definition
A plant that completes its life cycle in 2 years by growing vegetatively one year
.producing seed the 2nd |
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Definition
| Vegetation that traps sediment |
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Term
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Definition
| A method of control that uses living organisms to control undesired vegetation |
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Term
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Definition
Weeds that have exposed buds and growing points at top of plant and in leaf axils
.usually have net-veined leaves
.some herbicides attack broadleaf weeds, leaving grasses unharmed |
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Term
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Definition
A small, parasitic plant that spends most if its life attached to roots of other plants and emerges only to flower and seed for 2 to 3 months
.can be spread by mowing |
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Term
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Definition
| Unsightly brown foliage killed by herbicide application |
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Term
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Definition
| Control of woody plants such as brambles, shrubs, trees and vines |
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Term
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Definition
| An untreated strip of vegetation adjacent to the treated site that catches any chemical runoff before it reaches desirable vegetation or water |
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Term
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Definition
| All the sepals of a flower |
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Term
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Definition
The tissue responsible for tree growth.
.the xylem and phloem are separated by the cambium
.this is the part that should be treated during a cut-stump application |
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Term
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Definition
| A simple pistil or one part of compound pistil |
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Term
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Definition
| the many filamentous roots of such plants as grasses, which tend to stabilize the soil against erosion |
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Term
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Definition
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Term
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Definition
| A two-phase formulation that contains solid herbicide suspended in liquid and that forms a suspension when added to water |
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Term
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Definition
| Having to do with the leaf |
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Term
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Definition
| Toxic pesticides with volatile fumes |
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Term
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Definition
| A pesticide that kills fungi |
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Term
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Definition
| The breaking of seed dormancy |
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Term
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Definition
| Removing a ring of bark from around a tree trunk to prevent plant food from reaching the roots |
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Term
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Definition
| The inner wood of a tree consisting of xylem tissue |
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Term
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Definition
| Soils containing lots of clay or organic matter that tend to "tie up" more herbicide |
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Term
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Definition
| A vascular plant that does not develop woody tissue above ground |
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Term
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Definition
| A particular plant's response to the environment that can be a useful clue in implementing a management program |
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Term
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Definition
| The flowering par of a plant |
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Term
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Definition
| to interfere with the establishment and growth of plants |
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Term
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Definition
| Nonliving materials usually lacking the element carbon |
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Term
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Definition
| The suspension of minute water droplets in oil |
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Term
| Integrated Pest Management (IPM) |
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Definition
| The coordinated use of multiple tactics to control pests efficiently and reduce pest damage to acceptable levels |
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Term
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Definition
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Term
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Definition
| The germination and growth cycle of a plant |
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Definition
| Sandy and silty soils that have little organic matter |
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Term
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Definition
| The central vein of a leaf |
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Term
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Definition
| The particular way a chemical attacks a pest |
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Term
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Definition
| A plant that has a single primary leaf or cotledon |
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Term
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Definition
| The physical appearance of an organism |
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Term
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Definition
| A plant that has negative effects on public health |
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Term
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Definition
| A liquid formulation that forms a solution when added to oil |
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Term
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Definition
A dry formulation made up of particles usually larger than 10 cubic millimeters
.applied without a liquid carrier |
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Term
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Definition
| The ability to move through something |
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Term
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Definition
| A herbicide that remains in the soil and affects plant growth for a long time |
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Term
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Definition
| Individual part of a corolla |
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Term
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Definition
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Term
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Definition
| The living tissue that transports metabolic compounds within plants |
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Term
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Definition
| The chemical and Physical process that take place in an organism |
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Term
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Definition
| Female reproductive organ of a flower |
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Term
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Definition
| the dominant plants covering a right of way |
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Term
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Definition
Applied after a weed or crop is growing
.allows the ability to control established weeds |
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Term
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Definition
Applied to the soil before a weed or crop emerges through the soil
.allows the ability to control weeds before or soon after they emerge |
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Term
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Definition
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Term
| Ways Plants can Propagate |
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Definition
| seed, stolons, rhizomes, cut stumps, or cut roots |
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Term
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Definition
| the amount of product, active ingredient or acid equivalent applied per unit area |
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Term
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Definition
| the part of a plant that bears the flowers or flower parts |
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Term
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Definition
| pesticide remaining in or on the soil, plant parts, animal tissue, whole organisms and surfaces |
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Term
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Definition
| a herbicide that persists in the soil and injures or kills germinating weed seedlings over a relatively long period of time |
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Term
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Definition
| creeping stems below the soil surface |
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Term
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Definition
| a space clear of vegetation that is a safe place to top when vehicles accidentally leave the road |
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Term
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Definition
| the soft wood in between the hardwood and bark of a tree that contains phloem cells |
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Term
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Definition
| a chemical that is more toxic to some plant species than others |
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Term
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Definition
| the individual parts of a calyx |
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Term
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Definition
| in grass, the base of the leaf that surrounds the stem |
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Term
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Definition
| the length of road a driver can clearly see |
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Term
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Definition
| when pesticides cling to a soil particle with the opposite charge |
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Term
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Definition
| the male reproductive organ of a flower that bears pollen |
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Term
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Definition
| the portion of the pistil atop the style |
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Term
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Definition
| the appendage (usually leafy) found below and at the base of some leaves |
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Term
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Definition
| creeping roots above the soil surface |
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Term
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Definition
| openings on a leaf's surface through which gases are exchanged |
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Term
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Definition
| the stalk connecting the stigma and the ovary |
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Term
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Definition
| a material that improves the way a pesticide forms an emulsion, disperses, spreads, or wets plant surfaces |
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Term
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Definition
| a herbicide that moves from one part of a plant to other parts |
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Term
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Definition
| the bud a the top or apex of the plant |
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Term
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Definition
| the level of infestation of a pest species at which control practices are justified |
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Term
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Definition
| a trademark applied to a pesticide formulation by its manufacturer |
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Term
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Definition
| a herbicide that is moved within the plant by the phloem or xylem |
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Term
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Definition
| the upward movement of water through a plant from the roots to the leaves |
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Term
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Definition
disturbances in the wind pattern
.can cause drift when applying herbicides |
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Term
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Definition
| the special groups of xylem and phloem cells in monocot stems |
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Term
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Definition
| parts of the plant that produce new plants |
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Term
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Definition
| a vascular bundle that forms the framework of a leaf |
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Term
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Definition
| capable of growing and producing new organisms, such as a plant from a viable seed |
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Term
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Definition
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Term
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Definition
| the nonliving tissue in plants that conduct water and mineral nutrients from roots to shoots |
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