Sour skin is a common bacterial disease that can affect most onion varieties all over the world (Burkholder 1950; Sotokawa and Takikawa 2004). Because sour skin bacteria have an uncanny ability to survive in moist environments, it is one of the major threats to the sweet onion industry with up to 50% losses in some fields or storage rooms (Howard F. Schwartz 2008). Sour skin bacteria can enter ...

A case of severe systemic reactions (intense itching, urticaria, confusion, blurred vision, transient loss of consciousness, sweating, tachycardia) after ingestion of raw or lightly-cooked onion is described. The patient, a 44-year-old woman, had no troubles with well-cooked onions. Differently from the cases of sensitivity to onion described in literature, this patient was monosensitized, bein...

Onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), is an important pest on onion and cabbage. Two reproductive modes--arrhenotoky and thelytoky--are found in this species and co-occur in the field. We compared life table traits between arrhenotokous and thelytokous T. tabaci on cabbage and onion. Experiments were conducted in cages to determine which reproductive mode is more compe...

Onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), is a highly destructive pest of onion, Allium cepa L., and its management relies on multiple applications of foliar insecticides. Development of insecticide resistance is common in T. tabaci populations, and new strategies are needed to relax existing levels of insecticide use, but still provide protection against T. tabaci without...

Onion (Allium cepa L., 2n=16) is a cross-pollinated and biennial short type vegetable and most of the important spice as well as vegetable crops throughout the world. Bulb is the main edible portion of onion plant, which is a modified organ and constituted by the thickened fleshy leaf sheaths and stem plate (Purseglove, 1988). The leading onion producing countries of the world are China, India,...

As large-scale DNA sequencing technologies become more efficient and cheaper, the genomic DNAs of more and more plants are being sequenced, assembled, and annotated. These complete sequences are extremely valuable for the identification of specific genes associated with important phenotypes. The purpose of this document is to propose an efficient strategy for an international effort to sequence...

Populations of onion thrips, Thrips tabaci Lindeman, from commercial onion Þelds in New York were evaluated for their susceptibility to the commonly used pyrethroid, -cyhalothrin (Warrior T), using a novel system called the Thrips Insecticide Bioassay System (TIBS). To use TIBS, thrips are collecteddirectly from theplant into an insecticide-treated 0.5-mlmicrocentrifuge tube that has a ßexible ...

The acute and subacute hypoglycemic and antihyperglycemic effects of drinkable ripe onion juice (Commercial product name is "Black Onion Extract") were investigated in normal and streptozotocin-induced diabetic rats. For tests of acute and subacute hypoglycemic effects, ripe onion juice (5 and 15 mL/kg b.w.) was administered by oral gavage to normal Sprague Dawley rats and measurements of fasti...

optimal use of water resources is essential to decrease cost and maximize available water resources. subsurface drip irrigation can increase irrigation and water use efficiency. this irrigation method distributes water into the soil, leaving the surface of the soil dry and decreasing evaporation. in the design of subsurface drip irrigation (sdi) systems, the dimensions of the wetted onion deter...

Onion Routing is an infrastructure for private communication over a public network. It provides anonymous connections that are strongly resistant to both eavesdropping and traac analysis. Onion routing's anonymous connections are bidirectional, near real-time, and can be used anywhere a TCP/IP socket connection can be used. This prospectus outlines the alpha onion routing system and deenes a re...