منابع مشابه
Mealybug Control Studies on Pineapples
It is now generally accepted, as pointed out by Westgate (1945), that the pineapple mealybug, Pseudococcus brevipes (Ckll.), is present in Florida, causing wilt as in other, pineapple growing areas. Control of the pine apple mealybug and/or of the ants infesting the soil and plants is, furthermore, usually considered to effect control of the wilt of pineapples, as shown by Illingworth (1931). B...
متن کاملGrape Disease Control, 2015
After a 1-year hiatus, it’s time once again for the (almost) annual update and review on controlling the fungal diseases that grape growers must regularly contend with in our eastern climate. As always, I’d like to acknowledge the outstanding team of grape pathologists here in Geneva, which includes bacteriologists (Tom Burr’s program) and virologists (Marc Fuchs’s program) in addition to those...
متن کاملEconomics of biological control of cassava mealybug in Africa
Pest populations of the cassava mealybug Phenacoccus manihoti Mat.-Ferr. (Homoptera: Pseudococcidae) were reduced successfully by the biological control agent Apoanagyrus (Epidinocarsis) lopezi De Santis (Hymenoptera: Encyrtidae) throughout most of sub-Saharan Africa. The economics of the project were evaluated based on data from field trials, socio-economic surveys, published results, and fina...
متن کاملcontrol of the optical properties of nanoparticles by laser fields
در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
15 صفحه اولBiological control of variegated grape leafhopper
toxicities in specific orchards may be different. In addition to testing the pesticides listed in Leaflet 21343, we tested several that were not listed, including some that are not currently registered for use in almonds or are not registered in California at this time. We included those to determine which are most promising for future incorporation into an integrated mite management program fo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Arthropod Management Tests
سال: 2017
ISSN: 2155-9856
DOI: 10.1093/amt/tsx031