SWEETPOTATO WHITEFLY CONTROL WITH NOVEL INSECTICIDES ON CANTALOUPES, SPRING 2007
نویسندگان
چکیده
منابع مشابه
Honeydew Production by Sweetpotato Whitefly Adults and Nymphs
We determined honeydew production by male and female sweetpotato whiteflies and the effects of temperature on honeydew production of each sex. We also determined honeydew production by each nymphal instar. Overall, adult SPW produced more honeydew than nymphs. Adult females produced more honeydew than males. The relative differences between honeydew production for males and females and between ...
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The sweetpotato whitefly Bemisia tabaci is a highly destructive agricultural and ornamental crop pest. It damages host plants through both phloem feeding and vectoring plant pathogens. Introductions of B. tabaci are difficult to quarantine and eradicate because of its high reproductive rates, broad host plant range, and insecticide resistance. A total of 791 Gb of raw DNA sequence from whole ge...
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Efficacy against the sweetpotato whitefly (SPWF) Bemisia tabaci (Gennadius) of an insecticidal soap, two horticultural oils (one vegetable and the other petroleum based) and 15 detergents was evaluated under greenhouse conditions. Applications were directed to the underside of infested zucchini squash, tomato, or poinsettia leaves. Live nymphs were distinguished by their ability to deposit hone...
متن کاملJournal-spring 2007
One triangle has angles measuring A, β−α and 90. The other triangle has angles measuring B, α− β, and 90. The two right angles are placed back to back with the two triangles having the same height. Using algebra and substitution, we got something that is similar to the proof but a couple of variables are switched, meaning that there is more work to do. I wonder if this method can be used though...
متن کاملEE 223 : Stochastic Estimation and Control Spring 2007 Lecture 3 —
In this lecture, we argue that the optimal strategy in the finite horizon fully observed stochastic control problem we have been considering so far is a Markov strategy. In addition, we define the optimal cost-to-go functions associated to the problem and sketch a proof of the theorem that says that optimal Markov strategies must be defined in terms of the minimizers in the equations defining t...
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ژورنال
عنوان ژورنال: Arthropod Management Tests
سال: 2008
ISSN: 2155-9856
DOI: 10.1093/amt/33.1.e25