Environmental Studies

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Poinsettias can be kept more compact by artificially creating longer nights by shading them from ... Started by Mollykgkg	1 Replies 9 Views	Jul 21, 2018 by macagn
_____ is the process of removing the terminal end of the plant. A) Slicing B) Chopping C) ... Started by debasdf	1 Replies 10 Views	Jul 21, 2018 by Leostella20
One of the ways biological control agents work is to eat the pest or suck out its body fluid. ... Started by joblessjake	1 Replies 41 Views	Jul 21, 2018 by Cnarkel
Big sagebrush is an effective repellent and larvacide for mites, aphids, and mosquitoes. Indicate ... Started by urbanoutfitters	1 Replies 69 Views	Jul 21, 2018 by choc0chan
With respect to plant growth, what are the primary nutrients, secondary nutrients, and ... Started by jwb375	1 Replies 108 Views	Jul 21, 2018 by stallen
Neem seed oil can kill pests such as whiteflies, aphids, mealybugs, and lace bugs. Indicate ... Started by V@ndy87	3 Replies 61 Views	Jul 21, 2018 by pratush dev
Muscador albus may be the first biological fumigant. Indicate whether the statement is true or ... Started by ENagel	1 Replies 19 Views	Jul 21, 2018 by Kaytorgator
Biological pest controls almost always poison the environment. Indicate whether the statement is ... Started by sdfghj	1 Replies 10 Views	Jul 21, 2018 by Christopher
Corn is a good example of using endophyte (fungus of bacterium) to protect plants against insects. ... Started by kamilo84	1 Replies 24 Views	Jul 21, 2018 by nathang24
Always start with _____ as the first step in pest control. A) Nonchemical B) Chemical C) ... Started by LCritchfi	1 Replies 65 Views	Jul 21, 2018 by mk6555
In the 1940s and 1950s, this insect became a serious pest in the eastern United States. A) Aphids ... Started by lracut11	1 Replies 75 Views	Jul 21, 2018 by xoxo123
_____ lives naturally within a plant and secretes a gas that stops the growth of plant pests. A) ... Started by azncindy619	1 Replies 116 Views	Jul 21, 2018 by zoeyesther
_____ protects against rust and powdery mildew. A) Malathion B) Soil Gard C) Neem seed oil D) ... Started by FButt	1 Replies 91 Views	Jul 21, 2018 by shoemake
In tests, abamectin was 100 effective against _____. A) powdery mildew B) Japanese beetles C) ... Started by chandani	3 Replies 42 Views	Jul 21, 2018 by AngeliqueG
Monitoring to detect the pest problem is done by regular _____. A) dusting of plants B) liquid ... Started by geoffrey	1 Replies 14 Views	Jul 21, 2018 by mjbamaung
A nonpolluting control for insect eggs is _____. A) chemical powder B) spray oil C) aerial ... Started by captainjonesify	1 Replies 30 Views	Jul 21, 2018 by braelync
Some plants secrete chemicals that _____. A) inhibit root growth B) increase root growth C) ... Started by nmorano1	1 Replies 94 Views	Jul 21, 2018 by guyanai
_____ is an effective natural pesticide that is environmentally safe. A) Atrazine B) Round-up ... Started by B	1 Replies 61 Views	Jul 21, 2018 by chloejackso
The _____ already use biological control methods and may be able to teach us more about them. A) ... Started by Collmarie	1 Replies 217 Views	Jul 21, 2018 by nixon_s
Potted lilies should be placed under shade fabric. Indicate whether the statement is true or ... Started by lbcchick	1 Replies 53 Views	Jul 21, 2018 by guyanai
Potted lilies need a nighttime temperature of 70F and a daytime temperature of 80F. Indicate ... Started by Davideckstein7	1 Replies 33 Views	Jul 21, 2018 by millet
The embryo functions as a food reserve. Indicate whether the statement is true or ... Started by abc	3 Replies 9 Views	Jul 21, 2018 by blfontai
Extending the day length to 18 hours will cause lilies to grow taller. Indicate whether the ... Started by kshipps	1 Replies 26 Views	Jul 21, 2018 by Animal_Goddess
Chemical retardants do affect the number of leaves and flowers, increasing them by approximately ten ... Started by karen	1 Replies 15 Views	Jul 21, 2018 by Pamela.irrgang@yahoo.com
American farmers grow more than 200 varieties of wheat Indicate whether the statement is true or ... Started by KimWrice	1 Replies 28 Views	Jul 21, 2018 by ergserg