Isolation and cloning of fruit-specific E8 promoter from local small fruit tomato (Lycopersicon esculentum L.) and analysis its transient expression

The purpose of this study was to compare the new technology methods of growing two-stem tomatoes with the method of growing one main stem during the testing of small fruit tomato varieties that are adapted to the soil and climatic conditions of Mongolia. When growing tomato varieties with 2 stems, Seminis-SV7160TC, Galaxy and TY Candy varieties had 169-171 days from germination to 80% of fruit ripening, which is 4-6 days later than growing with 1 main stem. When growing tomato varieties with 2 stems, it is possible to produce 10 or more stems per plant with 10 stems per plant or 10 stems per plant, but the delay in fruit ripening affected the yield and quality of the crop. Жижиг жимст лоолийн (Lycopersicon Esculentum. Mill) сортуудыг 2 ишээр ургуулах шинэ технологийг туршсан дүнгээс Монгол орны хөрс, цаг уурын нөхцөлд дасан зохицох жижиг жимстэй лоолийн сортуудыг сорих, туршихдаа шинэ технологиудын нэг болох 2 ишээр ургуулах аргыг 1 гол ишээр ургуулах аргатай харьцуулан судлах зорилгоор энэхүү судалгааг явуулсан. Лоолийн сортуудыг 2 ишээр ургуулахад Seminis-SV7160TC, Galaxy, TY Candy сортуудад соёололтын жигдрэлтээс үр жимсний болцын 80% хүртэлхи хугацаагаар тооцоход 169-171 хоног байсан нь 1 гол ишээр ургуулснаас 4-6 хоногоор оройтсон. Лоолийн сортуудыг 2 ишээр ургуулахад салаа иш тус бүрт 5 ш багцэцэг буюу 1 ургамалд 10 ш байхаар ургуулсан. Энэ арга нь 1 ишээр ургуулснаас 3 ш-ээр илүү багц үр жимс авах боломжтой байсан ч үр жимсний боловсролтын хугацаа оройтсон нь ургацын хэмжээ, чанарт нөлөөлж байсан. Лоолийн сортуудбг 2 ишээр ургуулсан хувилбаруудад 1 м2-ын ургац KT Orange(5.3 кг), Seminis-SV7160TC(6.3 кг), Galaxy(6.6 кг), TY Candy(6.1 кг), TY 777(6.0 кг) байсан бол 1 гол ишээр ургуулсан сортуудыг хяналт болгож ижил нөхцөлд ургуулахад KT Orange(3.6 кг),Seminis-SV7160TC(5.0 кг), Galaxy(6.0 кг),TY Candy(4.8 кг),TY 777(5.3 кг), Вишнийвидный(5.7 кг) байсан. Эндээс үзэхэд шинэ технологийн арга болох залгалтын аргыг ашиглахад сорт тус бүр дээр 0,3-1.7 кг\м2-аар ахиу буюу 3-17 %-ийн нэмүү ургацтай байсан. Түлхүүр үг: гол иш, 2 иш, багцэцэг, үржимс, ургац

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Plum Tomato Cultivar Evaluation Using Microirrigation

HortScience ◽

10.21273/hortsci.33.3.455a ◽

1998 ◽

Vol 33 (3) ◽

pp. 455a-455

Author(s):

T.K. Howe ◽

A.A. Csizinszky

Keyword(s):

Lycopersicon Esculentum ◽

Management System ◽

Large Range ◽

Total Yield ◽

The Other ◽

Tomato Cultivar ◽

Small Fruit ◽

Medium Range ◽

Marketable Fruit

Plum tomato (Lycopersicon esculentum Mill.) cultivars were evaluated in a full-bed mulch, microirrigation management system. Yield and horticultural characteristics were assessed for four entries, `Marina', `Spectrum 882', `Supra', and `Veronica', during Spring and Fall 1997. Harvested marketable fruit were separated by size into extra large, large, medium, and small categories. Spring: Total marketable yields from three harvests combining all fruit sizes ranged from 46.6 t·ha–1 for `Supra' to 57.1 t·ha–1 for `Veronica'. `Veronica' produced significantly higher total yield than the other three cultivars. There were no significant differences among the cultivars in yield of extra large (range: 2.3 to 2.9 t·ha–1) or large (range: 11.4 to 13.0 t·ha–1) fruit. Only `Veronica' (22.7 t·ha–1) and `Supra' (18.9 t·ha–1) were significantly different from each other in the yield of medium fruit. Veronica' produced significantly more small fruit (19.2 t·ha–1) than any other cultivar. Cull fruit yields ranged from 11.1 t·ha–1 for `Veronica' to 16.9 t·ha–1 for `Supra', which was significantly greater than the other cultivars. Fall: Total marketable yields from six harvests were not significantly different among the cultivars, ranging from 22.0 t·ha–1 for `Spectrum 882' to 31.4 t·ha–1 for `Marina'. Extra large fruit yields ranged from 2.0 t·ha–1 for `Supra' to 6.3 t·ha–1 for `Marina', the only cultivars significantly different from each other. There were no significant differences among the cultivars in yields of large (range: 7.9 to 13.8 t·ha–1), medium (range: 8.7 to 13.8 t·ha–1) or small fruit (range: 2.7 to 3.4 t·ha–1). Cull fruit yields ranged from 37.2 t·ha–1 for `Supra' to 47.4 t·ha–1 for `Veronica'. Cuticle cracking (rain check), black shoulder and nipple-tipped blossom ends were the primary defects in the fall. `Marina' and `Veronica' produced significantly more cull fruit than either `Supra' or `Spectrum 882'.

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127 Ethylene Production in Tomato Fruit in Relation to Postharvest Quality Deterioration

HortScience ◽

10.21273/hortsci.35.3.411b ◽

2000 ◽

Vol 35 (3) ◽

pp. 411B-411

Author(s):

Hakim Abdul ◽

Pehu Eija ◽

Voipio Irma ◽

Khatoon Mohfeza

Keyword(s):

Lycopersicon Esculentum ◽

Production Rate ◽

Ethylene Production ◽

Tomato Fruit ◽

Fruit Size ◽

Postharvest Quality ◽

Maturity Stage ◽

Quality Deterioration ◽

Maturity Stages ◽

Small Fruit

Ethylene is produced by tomato fruit (Lycopersicon esculentum) at a rate that is dependent on fruit size, maturity stage, and adherence of calyxes. Production rate of ethylene declined with increased maturity stages. Small fruit produced higher ethylene compared to medium or large sizes. Ethylene production is positively correlated with rate of respiration, but not with visible pitting. Fruit stored with calyx produced less ethylene than those that were stored without calyxes.

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