Английская Википедия:Grape cultivation in California

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Файл:Pinot noir hand harvest.jpg
Pinot Noir harvest, Central Coast
Файл:Grape in Sonoma, California - Sarah Stierch.jpg
Sonoma
Файл:Vitis californica at Caswell Memorial State Park spring leaves.jpg
Caswell Park, V. californica, a wild type used as root stock and for §Breeding
Файл:Rodney Strong Vineyards.jpg
Rodney Strong Vineyards
Pickers resting in a vineyard

The 2020 table grape harvest was worth $2.12 billion[1] while wine grapes brought in $1.7 billion, down 15.3% year-on-year. By weight this was 17% lower versus 2018.[2] The next year, 2021[3] saw a much better yield. From Шаблон:Convert viniculturists got Шаблон:Convert for a total harvest of Шаблон:Convert.[3] At an average of Шаблон:Convert they were paid $5,229,902,000 for the season.[3] Of that, Шаблон:Convert were for destined for processing industries (including wine, see Шаблон:Section link below) and at Шаблон:Convert that was worth $4,046,382,000.[3] The fresh (table grape) harvest was Шаблон:Convert and selling at a price of Шаблон:Convert, this sector was worth $1,183,520,000 for the season.[3]

The table grape and wine grape sectors are represented by the Шаблон:Visible anchor[4] and the California Association of Winegrape Growers.[5]

Table production is most concentrated in three counties and somewhat in another two.[6] Dollar value annually is $1,240 million in Kern, $682 in Tulare, $416 in Fresno, and in the top ten crops in Riverside and Madera.[6] California's own consumption of table production grew from 1980 to 2001 from Шаблон:Convert per capita per year.[7] Consumption here and throughout the country is so high that the country remains a net importer despite this state's production, which reached Шаблон:Convert in the 2015 table harvest.[7]

During dormancy, UC IPM recommends pruning.[8] UC IPM publishes recommendations for this and other tasks during dormancy.[8] Although thinning is often proven to improve wine qualities in many areas, some reviewers note a lack of benefit in thinning table grapes in this state's vineyards.[9]

Deyett et al., 2020 finds Proteobacteria are the most common components of the microbiomes of this crop in this state's soils.[10]

This crop has also played a large part in farm labor relations in the state.[11]Шаблон:Rp The Delano grape strike began among table grape workers before spreading to other industries.[11]Шаблон:Rp See Шаблон:Section link.

Файл:The colors of the disease.jpg
Leafroll, black measles, nutrient deficit
Файл:Grapeanthracnose.jpg
Grape anthracnose

Diseases of grape

Disease information is provided by UC IPM.[12]

Xylella fastidiosa was first discovered here in 1892 when Newton B. Pierce found Pierce's Disease in Los Angeles.[13] Today it costs the state an estimated $100m per year.[14] Because Vitis species native to the USA are tolerant to PD while the introduced European V. vinifera is very susceptible, Hewitt 1958 posited the Gulf Coastal Plain as the center of origin for the pathogen.[15]Шаблон:Rp However Nunney et al., 2010 demonstrates that the PD population of the USA is originally in Central America.[15]Шаблон:Rp Sisterson et al. 2020[16] finds that the southern San Joaquin Valley rarely has any X. fastidiosa prior to July. This suggests an entirely Glassy-Winged Sharpshooter vectored problem that has no (or very little) overwintering capacity.[14] Consistent with this they also found that neonicotinoid applications tended to reduce PD incidence.[14] See also Шаблон:Section link, Шаблон:Section link and for a treatment see Шаблон:Section link.

Al Rwahnih et al., 2015 finds widespread Grapevine red blotch-associated virus (GRBaV) among raisin and table accessions of propagation material in California.[17] The virus population here has an unusually low amount of genetic diversity.[17] Although not known outside of North America, Al Rwahnih et al. does find this virus in California material originating outside North America.[17] See Шаблон:Section link.[18]

UCD's FPS performs disease testing, vinestock identification testing, and supplies vinestock.[19][20] FPS is one of the few National Clean Plant Network (NCPN) members holding vinestock for grapes in the country.[19] See also Шаблон:Section link.

The Canadian Food Inspection Agency has a good opinion of the state's phytosanitary certification system.[21] As a result, CFIA's Plant Protection Division has approved California plant material for import.[21][22]Шаблон:Rp

Hoffman et al., 2011 surveys the Lodi AVA and finds that growers themselves (including those who also work as educators for other growers) are most central to the spread of management information.[23] Those who are not themselves growers, but are full time educators, are less connected to the actual spread of information.[23][24]

Шаблон:Visible anchor (Uncinula necator) is another costly disease here.[18][25][26] PM cost the industry $239 million in 2015, including losses and treatment costs, according to the estimate of Sambucci et al., 2019.[25] For decades both the programs of USDA ARS and Шаблон:Visible anchor have prioritized breeding for resistance to this disease.[26]

Afflictions in grapevine around the world are often treated by removal and replanting, and this is often used in this state's industry.[27] Regrowth is slow and replant disease often results from this.[27] Westphal et al., 2002 finds that regrowth is hampered by the soil microbiome in California's soils.[27] They apply a supplemental plant growth-promiting rhizobacteria (PGPR) treatment using arbuscular mycorrhizal fungi (AMF) and achieve quicker productivity recovery.[27] This is one of the few studies in this technique and this area is understudied.[27]

It is speculated that drought stress will increase fungal pathogen geographic range in the future around the world, but in this state this has already been observed.[28]

Although famous for its devastation of strawberry gray mold affects table grape as well.[29] Karabulut et al., 2003 finds it is an especially large part of post-harvest losses.[29] They also describe common treatments and make recommendations[29] See Шаблон:Section link and for a treatment see Шаблон:Section link.

Шаблон:Visible anchors are common in California.[30] They are not caused by any one pathogen but are united by their similar symptomology in this part of the grape plant.[30]

Шаблон:Visible anchor diseases are common trunk diseases.[31] In the southern parts of the state, a Botryosphaeria Dieback caused by Lasiodiplodia theobromae is almost always the only trunk disease in this crop.[31]

Шаблон:Visible anchor is another common trunk dieback here, caused by Шаблон:Visible anchor.[32] It was first found here by English et al., 1962 a few years after its discovery elsewhere.[32] Travadon et al., 2011 finds that E. lata is an entirely or almost entirely sexual population here but asexual reproduction may be a rare occurrence.[33] E. lata populations in California are shared between three hosts, this one, apricot and willow (Salix spp.).[34] Travadon et al. 2015 finds high gene flow and an absence of differentiating alleles between populations on these hosts.[34] (See also Шаблон:Section link.) Additionally they find no differentiation by geography.[34]

Шаблон:Visible anchor (the California Dagger Nematode, or just Dagger Nematode) is a common disease here.[35] Although first discovered in this state it has spread throughout the world's vineyards.[35]

Шаблон:Visible anchor (Measles, Spanish Measles, Black Measles) is a basidiomycete disease caused by several species of the Fomitiporia.[30] It is a common cause of economic loss in the state.[30] Vasquez 2007 assessed losses Шаблон:Convert for all afflictions called "Esca" in the state's vineyards.[30]

Шаблон:Visible anchor (GPGV) was imported in infected 'Touriga National' in 1981 and maintained at UCD, but no epidemic has ever been documented from that contamination.[36] The California epidemic began decades later.[36] Al Rwahnih 2018 documents an active epidemic in the Napa Valley AVA and finds wide variation in occurrence per variety, from 8.7 to 100%.[36]

Pests of grape

For insect pests see Шаблон:Section link (GWSS)[37] and Шаблон:Section link (BGSS).

The arrival of the European Grapevine Moth (EGVM) in Napa County in 2009 brought together local, state and federal agricultural officials, scientists in California universities, and the wine, table and raisin industries.[38] Together they brought about an eradication by 2015 and the effort was declared a success in August 2016.[38]Шаблон:Rp[39] There is ongoing concern that it will invade again.[40] Gutierrez et al., 2012 finds that climate change has increased its potential invasive range on this crop in the time since its eradication, and will continue to do so.[40]Шаблон:Rp See Шаблон:Section link.

Some vertebrate pests are also significant and UC IPM has management recommendations[41] for them:

Delayed-dormancy in table grape varieties is February in the San Joaquin Valley and December to January in the Coachella Valley.[42] UC IPM provides sampling techniques[43] and management information[42] for delayed-dormancy in table grape.

Budbreak is in March in the SJV and January to February in the Coachella Valley for common table varieties.[44] UC IPM provides monitoring and treatment information for budbreak.[44]

The rapid shoot growth phase is March to May in the San Joaquin Valley and February to May in the Coachella Valley.[45] UC IPM recommends looking for spider mites and their natural enemies at this time.[45] See Шаблон:Section link.

During postharvest in the SJV, table grape growers should monitor for Шаблон:Visible anchor (Parthenolecanium corni).[46] UC IPM provides information on this and other pests of postharvest in table grape.[46] They recommend some parasitoids for biological control including Aphytis spp., Coccophagus spp., Encarsia spp., and Metaphycus luteolus.[47]

Its anticipated damage to this crop was one of the major reasons for the passage of the LBAM Act of 2007.[48] Despite expectations, this crop was not sufficiently impacted to justify the cost and controversy involved and the action is regarded as a failure.[48] See Шаблон:Section link.

The Шаблон:Visible anchor (Harrisina metallica, syn. H. brillians) is a native pest of this crop.[49][50] The parasitoids Шаблон:Visible anchor and Шаблон:Visible anchor were imported in the 1950s but without success.[50] However A. misella was found in the 1990s to be a vector of a granulovirus of this pest.[50] WGS is multivoline, trivoltine in the Central Valley and bivoltine on the coasts because temperatures are lower.[49]

The Шаблон:Visible anchor (Planococcus ficus) (Signoret (Homoptera: Pseudococcidae)) is a pest introduced in the early 1990s.[51]Шаблон:Rp[52] It has spread quickly, impacting vine culture due to its phloem-feeding habit and because it is a vector of GLRaV.[52] See also Шаблон:Section link.

Thrips are a minor concern in wine and raisin but are significant pests in table varieties.[53] This includes Шаблон:Visible anchor (Drepanothrips reuteri) and Western Flower Thrips.[53] The scarring that they cause defaces the appearance of table grapes.[53] Grape Thrips in Salvador is especially problematic.[53] See Шаблон:Section link.

Five species of Шаблон:Visible anchor are significant in this crop: Шаблон:Visible anchors (Linepithema humile), Шаблон:Visible anchors (Formica aerata, Formica perpilosa), Шаблон:Visible anchor (Tetramorium caespitum), Шаблон:Visible anchor (Solenopsis xyloni) and Шаблон:Visible anchor (Solenopsis molesta).[54]

The Black Vine Weevil is mostly a pest of the Central Coast AVA but does rarely occur elsewhere.[55] Treatment is possible but is usually not employed.[55] See Шаблон:Section link.

Шаблон:Visible anchor (Argyrotaenia franciscana) is a native pest of this crop.[56] It is endemic to this state and Oregon and Washington.[56] UC IPM recommends restricting use of insecticides to control Orange Tortrix because many natural biological controls are present in the state.[56]

Шаблон:Visible anchor mealybugs are common pests in California's vineyards.[57] They have become an increasing problem in the first half of the 2010s.[57] Three species are present: Шаблон:Visible anchor (P. maritimus), Шаблон:Visible anchor (P. longispinus) and Шаблон:Visible anchor (P. viburni).[57]

Phylloxera of Grape is a common aphid in California with multiple subpopulations derived from multiple foreign points of origin producing multiple invasions.[58] The rootstock AxR#1 was formerly used due to its resistance but this has since collapsed and been replaced by other rootstocks.[58] This phylloxera has since that time adapted to these various rootstocks.[58] Corrie et al., 2002, Lin et al., 2006, Vorwerk & Forneck, 2006 develop microsatellite markers to track these multiple invasions and their adaptation.[58] See Шаблон:Section link and Шаблон:Section link.

Файл:Thomcord grape - USDA photo 01.jpg
Thomcord breeding, Parlier

Breeding of grape

This state has the largest breeding program for table grape in the country.[59] The next largest is at the University of Arkansas, and that was started in part from varieties developed here.[59] Many widely used table varieties have been developed here, such as 'Шаблон:Visible anchor' and 'Red Globe' from Harold Olmo at UCD, and the 'Flame Seedless' in 1973 and 'Шаблон:Visible anchor' in 1994 by the USDA program in Fresno.[60]Шаблон:Rp

Although there is some resistance to Pierce's Disease in some Vitis vinifera varieties, none is immune Шаблон:Endash none will be productive and all will die.[61][62] The Walker group at UC Davis has discovered several monogenic and polygenic PD resistances in several other Vitis spp.[62] A few years later in December 2019, their Шаблон:Visible anchor, Шаблон:Visible anchor, Шаблон:Visible anchor, Шаблон:Visible anchor, and Шаблон:Visible anchor were plant patented and released for licensing.[63]

Шаблон:Visible anchor was a very popular rootstock here until the 1980s[64]Шаблон:Rp for its protection against grape phylloxera. Since the collapse of AxR#1's phylloxera resistance it has been replaced by a wide diversity of rootstocks.[58] See also Шаблон:Section link.

Fuller et al., 2014 finds Шаблон:Visible anchor (Erysiphe necator) is so valuable in the state's AVAs and the technique of blending has so improved that PM-resistant type are becoming increasingly adopted, despite their history of consumer rejection due to off flavors.[65] Riaz et al., 2011 finds 2 major PM resistance loci on chromosome 18 in many of California's grape strains, Шаблон:Visible anchor and Шаблон:Visible anchor.[66] Ramming et al., 2011 find that in the San Joaquin Valley's table/E. necator and raisin/E. necator pathosystems almost all resistance is explained by Ren4.[67] Fuller et al. 2014 also find that widespread adoption of such varieties would save growers as much as $48 million/year in California's Шаблон:Visible anchor table, raisin and Central Coast Chardonnay vineyards alone.[68]

Table and raisin production are associated with higher temperature areas of the state.[69]

The Шаблон:Visible anchor is located in Parlier.[70] SJVASC produces varieties of table and raisin, including the Thomcord.[71] Many of the state's table and raisin varieties have been produced using embryo rescue.[72] The Ramming group in Parlier has been the source of many of these varieties since the 1980s.[72] Their work includes incorporating wild North American V. arizonica and V. candicans into seedless raisin and table varieties.[73][72]

UCD ceased releasing wine varieties in the 1980s.[74] Then in 2019 they released 5 with high PD resistance to combat a problem which costs California grape growers over $100 million per year.[74] This breeding program did not end with the release of these 5 and additional varieties continue to be released.[74]

Intensive selective breeding has been ongoing in California since the 1950s for seedlessness in raisin and table.[75]Шаблон:Rp Much of the world's seedless varieties originate in this state's breeding efforts.[75]Шаблон:Rp

Aradhya et al., 2003 finds that California's accessions of germplasm originates from a single original gene pool.[76] Aradhya finds that from this original gene pool there has been very active selective breeding primarily by cuttings.[76]

Riaz et al., 2009 introgress PD resistance from into some of the state's susceptible varieties, and provide SSR markers for them.[77] They introgressed 2 resistance alleles from V. arizonica that V. vinifera does not have.[77] Accessions Шаблон:Visible anchor and Шаблон:Visible anchor are the sources of Шаблон:Visible anchor and Шаблон:Visible anchor respectively.[77] Riaz also provide markers for marker-assisted breeding with these alleles.[77]

Bowers et al., 1999 develops some of the foundational microsatellite markers for breeding of California Pinot noirs and Cabernet Sauvignons.[78]

This et al., 2004 produces a set of standard references for molecular breeding of varieties used here.[79] This develops a standard of microsatellites for California's most common vinestock and rootstock varieties to aid identification in breeding programs.[79][68]

Roger's Red is an ornamental grape selected from a wild vine near Healdsburg.[80] Initially the discoverer – Raiche of the University of California Botanical Garden Native Plant Collection – designated it a color variant of the native V. californica.[80] This was doubted by many nurseries however and Dangl et al., 2010 finds it is a hybrid of V. californica × V. vinifera cv. Alicante Bouschet.[80]

Vignani et al. 1996 demonstrates that several cultivars long grown in California, and thought to be local innovations, are instead clones of several Italian varieties.[81]

Petite Sirah is a popular variety in this state.[82] Meredith et al., 1999 determines that almost all California Petite Sirah is genetically identical to Durif.[82]

Table and raisin varieties used here come from a very narrow base.[83] Genetic testing by Bourisquot et al., 1995 find that because they are almost always seedless they are frequently directly derived from Kishmish.[83] Bourisquot also find that about 1/3 of the state's table and raisin varieties are not derived as their pedigrees state.[83]

Genetic engineering of grape

Up to around 2004 there was little understanding of what non-Vitis genes might provide immunity in grape, and would make good transgenes.[62] Шаблон:As of several candidate genes have been identified, several have been transferred, and some even produce immune factors that cross the graft union and so can be rootstock-only.[62] Proven transgenes include Шаблон:Visible anchor (the polygalacturonase-inhibiting protein from Pyrus communis L. cv 'Bartlett', identified by Stotz et al.[84][85] at UCD) employed in a large number of transformations at several labs at UCD,[62] Шаблон:Visible anchor (a protein chimera of pGIP and cecropin B) and Шаблон:Visible anchor (another cecropin B chimera) from Dandekar et al.[86] at UCD and Los Alamos,[62] Шаблон:Visible anchor from the Kirkpatrick lab at UCD,[62] an Шаблон:Visible anchor (catalyzing the disease's synthesis of its diffusible signal factors) from Lindow et al. at UC Berkeley,[62] and programmed cell death inhibitors from the Gilchrist lab at UCD.[62] (See Шаблон:Section link.)

Файл:BOB MARTINEZ SPRAYING GRAPE VINES - NARA - 542533.jpg
Fresno, 1972

Treatments in grape

Zakowski & Mace 2022 finds heavy use of fungicides for cosmetic reasons in the state's table grape industry.[87] Pruning produces wounds which may admit pathogens into the trunk of the vine.[88] Brown et al., 2021 finds that pyraclostrobin continues to have good efficacy against populations in California.[88] See Шаблон:Section link and Шаблон:Section link.

The Шаблон:Visible anchor has been very successful since the early 2000s in monitoring and reducing the deadly disease and vector combination of PD and GWSS.[89] It is located in southeast Kern County and involves both trapping and roguing of infected vines.[89] The infestation in Kern has been managed well with a combination of symptomology, molecular surveillance and quantitative vector surveys.[90] The campaign in Kern is a good model for the whole world's efforts against this threat,[89][90] and for farmer funded voluntary management programs in general.[89] See Шаблон:Section link and Шаблон:Section link.

Prior to the 2000s there were no selective insecticides available for the most important pests of table grape.[91] There was one – phosalone – which was banned in the state in 1988.[91] Since then baits made of carbaryl have been formulated which act selectively and are used for cutworm in table grape, and Шаблон:Visible anchor is used selectively for Шаблон:Visible anchor and Шаблон:Visible anchor.[91]

Шаблон:Visible anchor was a vital chemical for this crop until 2019 especially for the Vine Mealybug.[92] In 2019 the state Department of Pesticide Regulation (DPR) determined that it was necessary to withdraw virtually all chlorpyrifos registrations.[92] Since then this has imposed a negative economic impact on the industry both due to higher costs for substitute treatments and due to control failures.[92] See Шаблон:Section link.

Cover crops are used to produce several different kinds of pest and weed control.[93] Ground cover may enhance spider pest control of herbivorous insects.[93] Costello & Daane 1998 finds that ground cover in table grape increases Trachelas pacificus abundance but decreases Hololena nedra.[93] Over all they find that this method is of limited effectiveness in table vineyards.[93] UC IPM recommends considering the impact of a pesticide application on natural enemies and honey bees before applying to table vineyards.[94]

Crab shell chitosan reduces postharvest Gray Mold in table grape in Fresno county.[95] Romanazzi et al., 2009 tests table stock from several varieties commonly grown around Fresno and an isolate from USDA ARS in Parlier, Fresno county.[95] By dissolving the shell material in an acid they achieve control of postharvest Gray Mold by inducing a defense prior to the fungus's invasion.[95] Pichyangkuraa & Chadchawanb 2015 believe this to be applicable to viticulture around the world.[95]

Karabulut et al., 2003 finds that many postharvest pathogen isolates in California's vineyards are well controlled by a yeast, Metschnikowia fructicola, applied as a spray shortly before harvest.[96]

Research in grape

Table grape growers are charged an assessment statewide for research and treatment for PD and GWSS.[97] For the fiscal year 2009–2010 this contributed $735,000, almost all coming from the southern San Joaquin Valley.[97] See Шаблон:Section link, Шаблон:Section link and Шаблон:Section link.

California's oenological research is highly respected around the world.[98] This especially includes UC Davis's oenology programs.[98]

References

Шаблон:Reflist

Партнерские ресурсы
Криптовалюты
Магазины
Хостинг
Разное

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  95. ↑ 95,0 95,1 95,2 95,3 This review Шаблон:Cite journal cites this research Шаблон:Cite journal
  96. ↑ This study Шаблон:Cite journal is cited by these reviews:
  97. ↑ 97,0 97,1 Шаблон:Cite report
  98. ↑ 98,0 98,1 Шаблон:Cite journal
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