Economic bases of the original carrot seed production in the conditions of Moscow region

Даны результаты оригинального первичного семеноводства корнеплодных культур в изоляторах в селекционно-семеноводческом центре агрохолдинга «Поиск» (Раменский район Московской области). Описаны технологические особенности процесса семеноводства, представлен видовой состав болезней и вредителей семенных растений в условиях исследований.The results of the original primary seed growing of root crops in cells at breeding and seed production centre of Poisk Agro Holding (Ramensky district, Moscow region) are given. Technological peculiarities of the process of seed production, species composition of pests and diseases of seed plants in terms of research are presented.

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Seed production of the gynodioecious species Ajuga reptans in the Moscow region.

Растительный мир Азиатской России ◽

10.21782/rmar1995-2449-2020-4(89-96) ◽

2020 ◽

Keyword(s):

Seed Production ◽

Moscow Region ◽

Ajuga Reptans

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Studies on carrot seed production: effects of plant density on yield and components of yield

Journal of Horticultural Science ◽

10.1080/00221589.1983.11515093 ◽

1983 ◽

Vol 58 (1) ◽

pp. 83-90 ◽

Cited By ~ 5

Author(s):

D. Gray ◽

Joyce R. A. Steckel ◽

J. A. Ward

Keyword(s):

Seed Production ◽

Plant Density ◽

Carrot Seed ◽

Production Effects

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The response of Stecklings Age and Plant Spacing on Carrot Seed Quality and Production

Journal of Tropical Horticulture ◽

10.33089/jthort.v3i2.53 ◽

2020 ◽

Vol 3 (2) ◽

pp. 71

Author(s):

Fatiani Manik ◽

Rasiska Tarigan ◽

Susilawati Barus

Keyword(s):

Seed Production ◽

Field Trial ◽

Seed Quality ◽

Block Design ◽

Plant Spacing ◽

Randomized Complete Block Design ◽

Two Factors ◽

Carrot Seed

The quality of seed needs to be considered in carrot seed production to maintain its productivity. The research aims to find out the response of stecklings age and plant spacing on carrot seed quality and production. This research was held on July 2018 – April 2019 in Berastagi field trial (1340 m MSL). The experiment used Randomized Complete Block Design (RCBD) with two factors, i.e., stecklings age (2 and 3 months) and plant spacing (25, 50, 75, and 100 cm), replicated four times (32 experiment units), 10 plants from each experiment units were taken as samples. The result showed that stecklings age and plant spacing were affected to plant vegetative and generative stages. The combination of 2-month stecklings and 50 cm plant spacing increased the number of secondary umble, if compared to cultivation, which was generally used by the farmer (3-month stecklings and 25 cm plant spacing). The best quality of carrot seed was obtained from the combination of 3-month stecklings and 50 cm plant spacing.

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Planting Time Effect on Quality Seed Production of Three Varieties of Carrot (Daucus Carota L.)

Bangladesh Agronomy Journal ◽

10.3329/baj.v23i2.52449 ◽

2021 ◽

Vol 23 (2) ◽

pp. 23-34

Author(s):

Lutfunnahar ◽

MF Hossain ◽

MA Malek ◽

R Kamrunnahar ◽

J Hossain

Keyword(s):

Seed Production ◽

Seed Yield ◽

Block Design ◽

Time Effect ◽

Cool Temperature ◽

Treatment Combination ◽

Planting Time ◽

Daucus Carota L ◽

Randomized Complete Block Design ◽

Carrot Seed

Crop management like planting time is a crucial factor for maximizing yield especially for seed production. Seed production of carrot is greatly influenced by temperature as it requires adequate periods of cool temperature (vernalization) for flowering and seed production. To find out optimum planting time of carrot steckling for quality seed production the experiment was conducted at the Field Laboratory of Horticulture Farm, Bangladesh Agricultural University, Mymensingh during the period from October 2015 to May 2016.Three planting time viz. 05 January, 15 January and 25 January on the seed production of three carrot varieties viz. BA (Brasillia Agroflora), PA (Prima Agroflora) and NK (New Kuroda) which constituted 9 treatment combinations were included in the experiment. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Planting time had significant effect on most of the parameters studied. The January 05 planting of steckling gave the highest seed yield (527.92 kg ha-1) and the lowest was in January 25 planting of steckling (314.75 kg ha-1). Among the varieties BA gave the highest seed yield (448.73 kg ha-1) and the lowest yield for New Kuroda (395.35 kgha-1.) Considering interaction of planting time and variety the highest seed yield (572.37 kg ha-1) was obtained from the treatment combination of early planting (05 January) with the variety of BA and the lowest (279.77 kg ha-1) was recorded from the late planting (25 January) in variety PA. Hence, BA carrot variety planting on 5 January may be recommended for carrot seed production in Mymensingh region in Bangladesh. Bangladesh Agron. J. 2020, 23(2): 23-34

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Семенная продуктивность материнской линии партенокарпического огурца F1 Троя в зависимости от площади питания

Kartofel` i ovoshi ◽

10.25630/pav.2019.10.33.007 ◽

2019 ◽

Author(s):

A.A. Ushanov ◽

A.A. Mironov

Keyword(s):

Seed Production ◽

Growth And Development ◽

Seed Weight ◽

Moscow Region ◽

Seed Plants ◽

F1 Hybrid ◽

Female Line ◽

Open Ground ◽

Seed Sowing

В работе исследованы влияние различных схем размещения семеноводческого посева на рост и развитие семенных растений и семенную продуктивность партенокарпического короткоплодного гибрида огурца F1 Троя в условиях открытого грунта Московского региона. Наибольшая урожайность и выход семян из семенника были получены при контрольной схеме посадки (140+70) × 20 см и составили 1,49 ц/га и 0,32% соответственно, а масса 1000 семян – 24,2 г.In this paper, we investigated the effect of different schemes of placement of seed sowing on the growth and development of seed plants and seed production of female line of parthenocarpic F1 hybrid cucumber Troy in the open ground in the Moscow region. The highest yield of seed and the yield of seed from testis were obtained with the scheme of planting (140+70) × 20 cm and amounted to 149 kg/ha and 0.32%, respectively, while 1000 seed weight was 24.2 g.

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Lack of Evidence of Vertical Transmission of ‘Candidatus Liberibacter solanacearum’ by Carrot Seeds Suggests That Seed is not a Major Transmission Pathway

Plant Disease ◽

10.1094/pdis-04-17-0531-re ◽

2017 ◽

Vol 101 (12) ◽

pp. 2104-2109 ◽

Cited By ~ 15

Author(s):

Marianne Loiseau ◽

Isabelle Renaudin ◽

Pascaline Cousseau-Suhard ◽

Pierre-Marie Lucas ◽

Aurélie Forveille ◽

...

Keyword(s):

Real Time ◽

Seed Production ◽

Real Time Pcr ◽

Seed Transmission ◽

The Other ◽

Candidatus Liberibacter Solanacearum ◽

Carrot Seed ◽

Candidatus Liberibacter ◽

Bacterial Transmission ◽

Growing Conditions

‘Candidatus Liberibacter solanacearum’ is a bacterium associated with several vegetative disorders on solanaceous and apiaceous crops. Following the recent detection of the bacterium in carrots in Europe, and particularly carrot plants used for seed production in France, two independent laboratories conducted experiments on the transmission of this pathogen by seed and had discordant results: one study showed no bacterial transmission to plants, and the other showed transmission to carrot seedlings starting from the fourth month of culture. To test the hypothesis that growing conditions affect seed transmission efficiencies, trials were renewed in 2015 on four lots of 500 carrot seeds naturally contaminated with ‘Ca. L. solanacearum’ and two lots of 100 healthy seeds. The plants were grown for 6 months in an insect-proof NS2 greenhouse. Sets of 108 plants from the contaminated lots and 24 plants from the healthy lots were individually analyzed each month using real-time PCR to detect the bacterium. The detection tests on seeds and plants from healthy lots were always negative. During the 6 months of the trial, no plants from the contaminated seed lots tested positive for the bacterium or showed any infection symptoms. These results indicate that transmission of ‘Ca. L. solanacearum’ by carrot seed is rare and difficult to reproduce.

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