Temperature sensitive seed germination control

Details Temperature sensitive seed germination control Temperature sensitive seed germination control

1990-12-07

1992-07-14

Locker, Howard J.

Plant husbandry

Coated or impregnated seed, method or apparatus

47DIG9, 71 3, 71 65, 71 77, 427 4, A01C 106, A01C 2100, A01G 506, A01N 100

Patent

active

051291800

ABSTRACT:
Coated organisms and particularly coated seeds are provided wherein the coating is comprised of one or more polymeric materials which form a coating having a temperature-dependent permeability with respect to a material such as water permeability. The polymeric materials used in making the coatings are relatively impermeable to the material such as water at cooler temperatures (less than optimum growth or germination temperatures) and relatively permeable at higher temperatures (at or greater than optimum growth or germination temperatures). The variable permeability of the coating prevents imbibition at lower temperatures and allows it at higher temperatures. Accordingly, coated seeds can be planted early in a planting season and undergo imbibition followed by germination under favorable moisture and temperature conditions.

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D. A. Priestley et al., Crop Science (1986) 26:1252.

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