Results 41 to 50 of about 5,671 (259)
Onion Thrips Control, 1992 [PDF]
Abstract Onions were direct seeded on 1 May at a site in Ingham County, MI. Plots were 20 ft long double rows with 16 inch spacing between double rows. Treatments were arranged in a randomized complete block design (four replications per treatment) with one unsprayed buffer row between each treatment row.
M. Davis +5 more
openaire +1 more source
Iris yellow spot (IYS), a disease caused by Iris yellow spot virus (IYSV) and spread by onion thrips, is a devastating disease of onion bulb and seed production.
Narinder Singh, Christopher S. Cramer
doaj +1 more source
Plant traits associated with resistance to Thrips tabaci in cabbage (Brassica oleracea var capitata) [PDF]
Thrips tabaci is a major problem in the cultivation of cabbage for storage, as this pest causes symptoms that necessitate the removal of affected leaves from the product. Between cabbage varieties large differences in susceptibility occur.
Lammerts Van Bueren, E. +3 more
core +2 more sources
A field experiment was carried out at Melkassa Agricultural Research Center from 2015 to 2017 to determine the seasonal fluctuation of onion thrips on onion in three consecutive growing seasons.
Belete Negash +2 more
doaj +1 more source
Low hybrid onion seed yields relate to honey bee visits and insecticide use
Onion thrips, previously considered of minor importance to hybrid onion seed production in California, vector the newly introduced iris yellow spot virus, a serious pathogen of onions that can cause significant yield losses.
R Long, L Morandin
doaj +2 more sources
ABSTRACT Many species of Mesostigmata soil mites have potential as biological control agents of pests/parasites. This study evaluated the predation potential of two of these species, Gamasellodes lavafesii (Ascidae) and Cosmolaelaps mediocuspis (Laelapidae).
A. R. A. Barros +4 more
wiley +1 more source
Means of environment-friendly protection of white cabbage against the onion thrips [PDF]
fejes káposzta-fajta ellenállóságának felmérésére került sor szabadföldi körülmények között, a dohánytripsz spontán betelepedése mellett kialakuló kártétel mértéke alapján. Minden fajta károsodott kisebb-nagyobb mértékben.
Fail, József +2 more
core
Background Thrips tabaci Lindeman (Thysanoptera: Thripidae) is the key pest of onions that causes economic yield losses in commercial onion production in Pakistan.
Quratul Ain +3 more
doaj +1 more source
We outline the diversity of pests, weeds and plant pathogens absent from New Zealand that threaten forage production, examine their potential import pathways, and outline the challenges of managing them should they arrive. The number and diversity of threats and pathways indicates ongoing incursions are inevitable.
Craig B. Phillips +9 more
wiley +1 more source
Onion Thrips Control, 1996 [PDF]
Abstract Trials conducted in Fruita, CO, using seeded onions (cv. Brown Beauty) in single rows at 30-in spacing Plots were 20-ft in length arranged in a randomized complete block design with 4 replications. Treatments were applied 20 Jun and 11 Jul using a CO compressed air sprayer delivering 19.2 gpa at 40 psi in two passes directed ...
Whitney Cranshaw, Janson Bishop
openaire +1 more source

