Certified potato seed for the southern grower

1936 ◽  
Vol 13 (10) ◽  
pp. 288-289
Author(s):  
Julian C. Miller
Keyword(s):  
Potato Seed ◽  
Certified Potato Seed

scholarly journals The Occurrence of PVYO, PVYN, and PVYN:O Strains of Potato virus Y in Certified Potato Seed Lot Trials in Washington and Oregon

Plant Disease ◽  
2006 ◽  
Vol 90 (8) ◽  
pp. 1102-1105 ◽  
Author(s):  
J. M. Crosslin ◽  
P. B. Hamm ◽  
D. C. Hane ◽  
J. Jaeger ◽  
C. R. Brown ◽  
...  
Keyword(s):  
Potato Virus ◽  
Potato Virus Y ◽  
General Trend ◽  
Potato Production ◽  
The United States ◽  
Yield Reduction ◽  
Potato Seed ◽  
Seed Origin ◽  
Canadian Provinces ◽  
Certified Potato Seed

Totals of 960 and 286 certified potato seed lots from locations across North America were planted in trials in Washington and Oregon, respectively, in 2001 to 2003 and tested for strains of Potato virus Y (PVY). The incidence of PVYO-infected lots averaged 16.4 and 25.9% in the Washington and Oregon trials, respectively. There was a general trend of increasing incidence of the PVYO, PVYN:O, and PVYN strains during this period, as evidenced by more infected cultivars, sites of seed origin, and number of seed growers providing infected seed lots. In particular, there was a dramatic increase in seed lots with the PVYN:O strain from 2002 to 2003. PVYN:O, in contrast to PVYO, which only causes yield reduction, also causes internal and external damage to tubers, making them unmarketable. In 2003, PVYN:O occurred in seed lots originating in eight states and three Canadian provinces. The increased incidence of PVYN:O was likely due to the difficulty in differentiating this strain from PVYO. The prevalence of PVY in potato seed lots documented herein poses a threat to potato production in the United States and suggests that current measures to reduce the incidence of this virus are inadequate.

scholarly journals Incidence and Impact of Verticillium dahliae in Soil Associated with Certified Potato Seed Lots

2013 ◽  
Vol 103 (1) ◽  
pp. 55-63 ◽  
Author(s):  
Jeremiah K. S. Dung ◽  
Philip B. Hamm ◽  
Jordan E. Eggers ◽  
Dennis A. Johnson
Keyword(s):  
Verticillium Dahliae ◽  
Management Practices ◽  
Seed Tuber ◽  
Potato Seed ◽  
Infested Soil ◽  
Seed Tubers ◽  
Field Soils ◽  
Compatibility Group ◽  
High Concentrations ◽  
Certified Potato Seed

Verticillium dahliae causes Verticillium wilt of potato and can be found in soil associated with potato seed tubers. The purpose of this research was to quantify V. dahliae in soil associated with certified seed tubers and determine if this potential inoculum source is related to disease development in the field. Approximately 68% of seed lots assayed contained V. dahliae-infested soil on seed tuber surfaces (seed tuber soil). Over 82% of seed lots contained V. dahliae in loose seed lot soil obtained from bags and trucks used to transport seed tubers. Most samples contained ≤50 CFU/g but some contained >500 CFU/g. Most isolates (93%) were vegetative compatibility group 4A. Populations of V. dahliae in stem sap increased with increasing inoculum densities in field soils only when V. dahliae concentrations in seed tuber soil were low. High concentrations of V. dahliae in seed tuber soil resulted in greater stem sap colonization when V. dahliae inoculum densities in field soil were low (P < 0.01) and resulted in greater pathogen inoculum densities in postharvest field soils (P = 0.04). Seed tubers contaminated with V. dahliae-infested soils may introduce the pathogen into fields not previously cropped to potato or recontaminate those which have received preplant management practices. Long-term management of V. dahliae requires reducing propagules in soil associated with seed lots.

scholarly journals Factors Affecting Farmers' Decisions to Use Certified Granola Potato Seeds in Parbuluan District, Dairi Regency

2021 ◽  
Vol 8 (8) ◽  
pp. 121-126
Author(s):  
Riama Hotmaina Sinulingg ◽  
Iskandarini . ◽  
Tavi Supriana
Keyword(s):  
Potato Production ◽  
High Price ◽  
Potato Seed ◽  
Land Area ◽  
Factors Affecting ◽  
Group Participation ◽  
Education Experience ◽  
Certified Potato Seed ◽  
Potato Farmer ◽  
North Sumatra

Agricultural products, including potatoes, are still faced with several problems with fluctuations and quite high price sensitivity, mainly due to changes in demand and supply. Decreased (degenerative) production occurs because of the disease that accumulates in each generation of potato seeds and continues to be carried over to the next generation. So that certified potato seeds are needed to increase farmers' production. This study will analyze the influence of the factors of farmer age, education level, farming experience, productivity, seed price, land area, farmer group participation in influencing farmers' decisions to use certified potato seeds. From the total population of potato farmers as many as 365 farmers in Parbuluan District, Dairi Regency, North Sumatra, testing was carried out on 78 samples with the results that the variables of productivity, price, farmer group participation had a significant effect on the use of certified potato seeds, while the variables of age, education, experience, area Land does not have a significant effect on the use of certified potato seeds and productivity, price, farmer group participation, age, education, experience, and land area all influence farmers' decisions to use certified potato seeds. Keywords: Certified Potato Seed, Potato Farmer, Potato Production.

scholarly journals Microtubers production by using Temporary Immersion System (TIS) bioreactor to potato varieties

2021 ◽  
Vol 886 (1) ◽  
pp. 012005
Author(s):  
Septi Andriani ◽  
Luthfi Aziz Mahmud Siregar ◽  
Irda Safni
Keyword(s):  
Tissue Culture ◽  
Culture Method ◽  
Potato Seed ◽  
Temporary Immersion System ◽  
Temporary Immersion ◽  
Potato Varieties ◽  
Randomized Design ◽  
Tissue Culture Method ◽  
Certified Potato Seed

Abstract As the national potatoes growth has become lower from year to year, it is now known that the problems came from the lack of certified potato seed varieties and the minimum access to sophisticated technology to make a good potato variety. The solution that can be made is to utilize microtubers as an efficient factor. The purpose of this research is to find the most effective method in micro tubers cultivation in vitro by comparing the conventional tissue culture method and the Temporary Immersion System (TIS) bioreactor method to four different potato varieties (Granola L., Dayang Sumbi, Atlantic Malang, Maglia). This research uses a split-plot design with a completely randomized design by using two factorial. The result of this study shows that the microtubers in the multiplication and production step using the TIS bioreactor method has a higher average compared to the conventional tissue culture method. As the various details, Dayang Sumbi has the highest parameter such as most sprouts, primer roots, diameter, wet weights, and fastest time growth. Granola L. excel in planlet height and most tubers. Atlantic Malang in the most multiplication and nodus. Meanwhile Maglia excel in most leaves.

scholarly journals Kendala Adopsi Benih Bersertifikat untuk Usahatani Kentang

2016 ◽  
Vol 29 (1) ◽  
pp. 27 ◽  
Author(s):  
Bambang Sayaka ◽  
Juni Hestina
Keyword(s):  
Seed Production ◽  
Certified Seed ◽  
System Development ◽  
Potato Seed ◽  
Selling Price ◽  
Seed Industry ◽  
Seed System ◽  
Informal Seed System ◽  
The Government ◽  
Certified Potato Seed

<p><strong>English</strong><br />Most potato farmers in Indonesia do not adopt certified potato seed. Relatively expensive price of certified seed is the main reason the farmers apply the seed produced by themselves. In general, prices of potato produced using certified seed and those produced using uncertified seed are relatively equal. The farmers who regularly apply certified seed are those having partnership with the potato processor. High risk of potato seed production discourages the certified seed producers to produce it in sufficient amount for market supply. Less cost of certified seed production and improved potato selling price will enhance farmers’ adoption of certified seed. The government needs to empower the farmers to produce quality seed by themselves through informal seed system development rather than they have to depend on commercial certified-seed produced by the formal seed industry.</p><p> </p><p><strong>Indonesian</strong><br />Adopsi benih kentang bermutu oleh petani kentang di berbagai daerah relatif rendah. Harga benih kentang bersertifikat yang relatif lebih mahal dibanding benih kentang yang dibuat sendiri oleh petani merupakan alasan utama petani tidak menggunakan benih bersertifikat. Harga kentang yang berasal dari benih buatan sendiri dibanding harga kentang yang berasal dari benih bersertifikat jika dijual ke pasar umum harganya relatif sama. Penggunaan benih kentang bersertifikat dilakukan petani terutama untuk kemitraan dengan prosesor kentang. Risiko tinggi dalam memproduksi benih kentang bersertifikat merupakan disinsentif bagi penangkar benih kentang untuk berproduksi dalam jumlah yang memadai. Kemudahan dalam menangkarkan benih bersertifikat dan membaiknya harga jual kentang akan meningkatkan adopsi petani terhadap benih kentang bersertifikat. Pemerintah juga harus berinisiatif agar petani secara mandiri bisa menghasilkan benih kentang bermutu melalui pengembangan sistem benih informal dan tidak harus bergantung pada benih kentang komersial yang dihasilkan industri benih formal.</p>

scholarly journals Incidence of Colletotrichum coccodes in Certified Potato Seed Tubers Planted in Washington State

Plant Disease ◽  
1997 ◽  
Vol 81 (10) ◽  
pp. 1199-1202 ◽  
Author(s):  
Dennis A. Johnson ◽  
Randall C. Rowe ◽  
Thomas F. Cummings
Keyword(s):  
Seed Tuber ◽  
Potato Production ◽  
Washington State ◽  
Colletotrichum Coccodes ◽  
Potato Seed ◽  
Seed Tubers ◽  
Seed Grower ◽  
Tuber Periderm ◽  
Certified Potato Seed ◽  
Production Areas

Incidence of Colletotrichum coccodes in lots of certified seed tubers planted in Washington state, originating from nine western and midwestern states in the United State and two provinces in Canada, ranged from 0 to 90% in 1994 and 0 to 53% in 1995. In 1994, significant interactions between state/province and cultivar, and between seed grower and cultivar, were evident. In 1995, incidence of C. coccodes in seed lots did not vary significantly among states and cultivars. C. coccodes was not isolated from nuclear seed tubers and incidence of infected tubers was higher with higher seed generations. The fungus was isolated from the tuber periderm and outer medulla tissues and isolation frequency was greater from tuber stem ends than from either bud ends or lateral sections. Significantly greater stem infections developed in plants grown from seed tubers in which C. coccodes had been detected than in plants grown from seed tubers from which C. coccodes had not been isolated. This study confirms that C. coccodes is distributed among potato-production areas within seed tubers, and that seed tuber infection increases the incidence of early-season plant infection.

Age of potato seed-tubers influences protein synthesis during sprouting

1993 ◽  
Vol 89 (2) ◽  
pp. 262-270 ◽  
Author(s):  
G. N. Mohan Kumar ◽  
N. Richard Knowles
Keyword(s):  
Protein Synthesis ◽  
Potato Seed ◽  
Seed Tubers

Ground control and state of elite potato seed breeding in the Central region of Russia and adjacent regions according to its data

2020 ◽  
Author(s):  
S.E. Mikhalin S.E. ◽  
Keyword(s):  
Seed Production ◽  
Central Region ◽  
The State ◽  
Ground Control ◽  
Potato Seed ◽  
Potato Diseases

The article sets out information on the conduct of soil control of the potato elite, provides information on the state of elite seed production of potatoes in the Central region of Russia according to the data of soil control - which regions participated in its implementation, how many samples and varieties of potatoes were provided for soil control in different years, what were the main varieties, which potato diseases were taken into account.

Problems of potato seed in the Republic of Mordovia

2017 ◽  
Vol 1 (66) ◽  
pp. 102-105
Author(s):  
Aleksandr Erofeev ◽  
◽  
Vasily Kargin ◽  
Keyword(s):  
Potato Seed ◽  
The Republic

scholarly journals Distribution and incidence of viruses in Irish seed potato crops

2015 ◽  
Vol 54 (2) ◽  
pp. 98-106 ◽  
Author(s):  
F. Hutton ◽  
J.H. Spink ◽  
D. Griffin ◽  
S. Kildea ◽  
D. Bonner ◽  
...  
Keyword(s):  
Potato Virus ◽  
Significant Proportion ◽  
Potato Production ◽  
Weather Data ◽  
Management Approach ◽  
Potato Seed ◽  
Virus Diseases ◽  
Aphid Control ◽  
Daily Weather Data ◽  
Potato Crops

Abstract Virus diseases are of key importance in potato production and in particular for the production of disease-free potato seed. However, there is little known about the frequency and distribution of potato virus diseases in Ireland. Despite a large number of samples being tested each year, the data has never been collated either within or across years. Information from all known potato virus testing carried out in the years 2006–2012 by the Department of Agriculture Food and Marine was collated to give an indication of the distribution and incidence of potato virus in Ireland. It was found that there was significant variation between regions, varieties, years and seed classes. A definition of daily weather data suitable for aphid flight was developed, which accounted for a significant proportion of the variation in virus incidence between years. This use of weather data to predict virus risk could be developed to form the basis of an integrated pest management approach for aphid control in Irish potato crops.

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