Download California Agricultural Research Priorities: Pierce's by National Research Council, Division on Earth and Life PDF

By National Research Council, Division on Earth and Life Studies, Board on Agriculture and Natural Resources, Committee on California Agriculture and Natural Resources

The glassy-winged sharpshooter is without doubt one of the newer invasive pests to afflict California agriculture. The insect transmits a bacterial pathogen that factors Pierce's affliction, which has impaired creation of wine, desk, and raisin grapes in California. The document recommends strengthening the method and the priorities for learn funded through kingdom organizations and wine teams to deal with Pierce's illness and its vector. examine will be taken with choosing possible innovations for controlling the unfold of the ailment and supplying sustainable methods which are adaptable and cheap over the longer term. numerous avenues of study be pursued extra intensely together with the genetic make-up of the pathogen that triggers Pierce's disorder, realizing the mechanisms that make grapes immune to the illness, the probabilities of introducing predator enemies to the sharpshooter, and new how you can deal with the planting of vegetation to assist keep away from unfold of the affliction.

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Extra info for California Agricultural Research Priorities: Pierce's Disease

Sample text

Thus far, in the Eastern wine-producing states—such as Virginia—multifaceted approaches including integrated pest management (IPM), have been used to control the spread of PD and a variety of vectors, including leafhoppers (Pfeiffer, 2002). Much attention has been given to the general absence of vine-to-vine transmission of PD in California vineyards, although a transmission has been demonstrated in the laboratory (Purcell and Finlay, 1979). Such variables as environmental conditions and exposure time (the amount of time an insect vector spends feeding on a PD-infected plant, or the length of the season) also influence whether a pathogen will become established and spread from vine to vine.

GWSS is expected to spread north into the Central Valley citrus belt, and it could become a permanent part of various habitats throughout northern California. FIGURE 1-1 GWSS Distribution in California Several biological and cultural factors influence the spread and the effects of GWSS in California. , 2001), cooler temperatures seem to keep populations down (Morgan and Brennan, 2002). GWSS is larger and flies farther than other sharpshooters—such as the native blue-green sharpshooter (BGSS; graphocephala atropunctata [Signoret])—it 28 RESEARCH PRIORITIES: PIERCE’S DISEASE presents a far greater threat to agricultural plants than do its relatives.

The PD/GWSS Board and its subcommittees assist in the solicitation of new research projects, and in the scrutiny of funded projects. Members of the task force, the PD/GWSS Board, and their subcommittees serve as appointees; the California legislation (AB 1232 and AB 1394,1 respectively) that established those entities does specify term lengths. A science advisory panel of six experts advises CDFA on technical matters, such as trapping and other techniques, for responding to PD–GWSS. Each year, the Pierce’s Disease Control Program submits a report to the legislature that details the condition of the program and of the problem.

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