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agronom.cc cultivar database

Variety traits

Vigor

Vigor is the genetic ability of a variety for intensive vegetative biomass accumulation or an indicator of seed viability reflecting germination energy and the ability to overcome soil resistance.

Mentioned in descriptions 53 548 varieties reference book.

The vigor of a variety is manifested in the overall development power of aerial organs, including tillering intensity, shoot length, and the rate of leaf area formation. As a seed characteristic, this indicator reflects the ability of seedlings to develop successfully under actual field conditions by pushing through the soil layer, which distinguishes it from standard laboratory germination.

During variety testing, development intensity is assessed visually or through biometric indicators, such as plant height and crown diameter, in comparison with reference samples. Objectivity of the assessment is achieved only under identical agrotechnical conditions, as the manifestation of this trait depends directly on the availability of nutrients, moisture, temperature, and light to the plants.

Hereditary predisposition to vigor determines the suitability of a variety for specific technologies. Vigorous varieties have an advantage in competition with weeds, while less vigorous forms are preferable for intensive technologies that allow for the use of high-density planting schemes and facilitate mechanized harvesting. At the same time, the general state of the plants and the incidence of phytopathogens can significantly suppress the natural growth potential of any variety.

Sources10

Breakdown by crop

Tomato Vigor 1 377 Apple Tree Vigor 1 038 Vigor of grapevine 1 010 Vigor of grapevine 484 Pepper Vigor 379 Olive Vigor 344 Peach Tree Vigor 337 Pear Vigor 325 Sweet cherry vigor 300 Vigor of cucumber 277 Plum Vigor 184 Melon Vigor 178 Apricot Vigor 176 Watermelon Vigor 156 Apple Tree Vigor 151 Zucchini Vigor 133 Vigor of rose 131 Lettuce Vigor 129 Vigor — Garden Strawberry 127 Vigor of soybean 125 Bean seedling vigor 119 Vigor — Pelargonium zonale 118 Vigor — Sour Cherry 97 Chrysanthemum Vigor 90

Found in these crops

Tomato 2 642 Apple 2 311 Grapevine 1 652 Bell pepper 1 112 Cucumber 830 Peach 787 Common grape vine 782 European pear 761 Sweet cherry 705 Rose 668 Maize 605 Melon 563

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

NETIX 18 41

Active

Prunus persica (L.) Batsch · Peach

2 records

Zephyr

Protection expired

Freesia Eckl. ex Klatt · Freesia

NL
1 record

Zweigelt

Withdrawn

Vitis vinifera L. · Common grape vine

UA
1 record

Zuzana

Protection expired

Malus domestica (Suckow) Borkh. · Apple

CZ
2 records

ZAFARI

Active

Punica granatum L. · Pomegranate

ES
1 record

Yup

Active

Solanum lycopersicum L. · Tomato

IT
1 record

Yarden

Protection expired

Solanum lycopersicum L. var. lycopersicum · Tomato

RO
1 record

Xinomavro

Active

Vitis vinifera L. · Common grape vine

FR
1 record

Winklerova

Terminated

Prunus avium (L.) L. · Sweet cherry

SK
1 record

Weisse Königin

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Steiniger

FR
1 record

Wisent

Terminated

Brassica oleracea L. (Curly kale Group) · Curly kale

NL
1 record

Wagtail

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Wädenswil

FR
1 record

Vyšehrad

Terminated

Rhododendron L. · Azalea

CZ
1 record

Vitra

Active

Vitis vinifera L. · Common grape vine

SK
1 record

Viltis

Terminated

Solanum lycopersicum L. · Tomato

LT
1 record

Verta

Protection expired

Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley

CZ
1 record

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