The first field test of a strategy for controlling insect resistance in a crop engineered to carry genes from the pesticide-producing bacterium
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Two primary species of aphids (plant lice) attack cole crops: the cabbage aphid (Brevicoryne brassicae) and the turnip aphid (Lipaphis erysimi). Because they are similar in life habits and response to treatments, they will be considered together.
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PRMs and PGPRs may be components of integrated, economical and ecologically-driven crop management strategies. But, water and nutrient availability are thought to impact their effectiveness. Methods: The four factors below are applied in combination to create 24 unique treatments: 1.
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Cabbage worms, which include the imported cabbage worm and the cabbage looper, can be very destructive to your cabbage, broccoli, cauliflower and other cabbage-type plants. Both caterpillars are green in color and reach a mature size of 1-1½ inches in length.
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Damage Symptoms The damage of imported cabbage worm (ICW) is similar to that caused by the cabbage looper. Caterpillars may bore directly into the heads. The first leaves of cabbage have large irregular-shaped holes. Between the leaves, you can find pelleted frass that has a very strong smell.
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Your browser does not support frames. Click here to view the unframed reprint.
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A page of the Arizona Urban Integrated Pest Management website on the cabbage looper, the most common garden caterpillar in Arizona.
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Since that time the acreage of cultivated Bt cotton has increased rapidly around the world. However, growing Bt cotton successively raises the potential for resistance adaptation of target insects to the Bt toxins.
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Cabbage Looper Damage Feed on leaves or small buds Fecal droppings make flowers unsightly Control Wash away or handpick larvae Insecticidal soaps Bacillus thuringiensis Pyrethrum and other insecticides
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Those plain white butterflies that are so common in the summer are the adult stage of the imported cabbage worm. Females lay yellow, bullet-shaped eggs on many plants in the mustard family, including brussels sprouts, broccoli, cabbage, swiss chard, kale, and turnips.
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Cotton and Cabbage Nadja Wehmeyer1, Kirstin Bittel2 , and Rachel Hughes3 BioTECH Project, MCB Dept., University of Arizona Mansfeld Middle School, Tucson, AZ.
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Problem: Cabbage Looper - Trichoplusia ni. Also known as cabbage worm. Hosts: Primarily members of the cabbage family such as cabbage, broccoli and cauliflower. Description: The cabbage looper larvae are a light green color with light stripes running down their backs.
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100 days from time of planting to harvest) Premium Flat Dutch Danish Roundhead Red Ruby Ball Hybrid AAS Red Head AAS,F Savoy Savoy Ace AAS,F Savoy King AAS, BS Along the coast, it is possible to grow cabbage throughout the year. Low temperatures may cause early bolting in young plants.
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S 11 0 1409 Bacillus sphaericus S 11 0 1421 Bacillus stearothermophilus S 11 0 1422 Bacillus subtilis S 11 0 1423 Bacillus thuringiensis S 11 0 1428 Bacterial sp.
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v. 47 (Feb. '97) p. 86-96 ISSN: 0006-3568 Number: BRDG97021989 Copyright: The magazine publisher is the copyright holder of this article and it is reproduced with permission. Further reproduction of this article in violation of the copyright is prohibited.
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Isolation and bacterial expression of a sesquiterpene synthase CDNA clone from peppermint(mentha .chi. piperita, L.) that produces the aphid alarm pheromone (E)-.beta.
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Institute of Genetics and Selection of Industrial Micro-organisms, 1st-Dorozhniy pr. 1, Moscow, Russia1 Marine Sciences Research Center, State University of New York at Stony Brook, Stony Brook, NY 11794-5000, USA2 Author for correspondence: George N. Marchenko. Tel: +1 516 632 9233.
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