Cultivation
Planting density is the number of plants per unit area, which determines the area of nutrition and the efficiency of resource utilization by the crop. This indicator directly influences yield formation and is an important tool for managing a variety's potential.
Mentioned in descriptions 5 959 varieties reference book.
Planting density is measured in thousands or millions of plants per hectare and determines the area of nutrition for each individual specimen. At an optimal value, plants utilize light, moisture, and nutrients most efficiently. In the case of high-density crops, intraspecific competition occurs, leading to stem elongation, weakening of the root system, and an increased risk of lodging, whereas in sparse crops, resources are not fully utilized and the area becomes overgrown with weeds.
The choice of density depends on the biological characteristics of the variety, including its developmental intensity and its ability to tiller or form side shoots. Different varieties respond differently to stress factors; therefore, recommendations for planting density should always comply with the characteristics of the specific hybrid or variety provided by the breeder.
The actual density in the field is determined not only by the seeding rate but also by field germination and the survival rate of plants at the time of harvest. The final indicator is adjusted depending on external conditions: with sufficient moisture and high soil fertility, higher rates are acceptable, whereas in arid conditions, density must be reduced to prevent moisture deficit in plants.
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.
Zea mays L. · Maize
Pioneer Hi-Bred International, Inc Pioneer Overseas Corporation
Helianthus annuus L. · Sunflower
Pioneer Overseas Corporation, USA
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Cucumis melo L. · Melon
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Dactylis glomerata L. · Cocksfoot
Ing. V. Votava (+) c/o Zuchtstation Vetrov SUP Troubsko / Ing. Ludmila Votavova c/o Zuchtstation Vetrov
Poa pratensis L. · Kentucky bluegrass
Sjödin, Jan
Glycine max (L.) Merr. · Soybean
LIMAGRAIN GENETICS
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V. (NL)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden BV (NL)
Brassica napus var. napus · Rapeseed
RAPS Gbr Saatzucht Lundsgaard (DE)
Lolium perenne L. · Perennial ryegrass
DLF SEEDS A/S
Brassica oleracea L. (White Cabbage Group) · White cabbage
Paul Degreef
Brassica oleracea L. (White Cabbage Group) · White cabbage
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL
Helianthus annuus L. · Sunflower
Olivier Soulie
x Triticosecale Wittm. ex A. Camus · Triticale
SECOBRA RECHERCHES S.A.S
Lupinus angustifolius L. · Narrow-leaf lupin
Poznanska Hodowla Roslin Sp. z o.o
Helianthus annuus L. · Sunflower
SOLTIS S.A.S
Allium cepa L. · Onion
Nunhems, NL
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
May Agro Seed Corporation (TR)
Secale cereale L. · Rye
KWS Lochow, D
Brassica oleracea L. (White Cabbage Group) · White cabbage
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL
Brassica oleracea L. (Broccoli Group) · Broccoli
Xiaoquanq Liang