Production of sunflower seeds in increased yields

Details Production of sunflower seeds in increased yields Production of sunflower seeds in increased yields

1978-10-23

1981-03-10

Bagwill, Robert E.

Plant husbandry

Process

47DIG1, A01H 102

Patent

active

042545803

ABSTRACT:
The production of sunflower seeds (i.e. Helianthus annus seeds) is an important industry in the United States as well as in many other parts of the world. Such seeds are useful in the production of sunflower oil or may serve as a food source for man and other animals. The present invention provides a novel and highly effective technique for enhancing the production of sunflower seeds via an agricultural process wherein a greater proportion of the florets which make up the sunflower are effectively pollinated. The production of sunflower achene which lack the desired kernels accordingly is minimized and a greater seed yield is made possible per growing area. Such process utilizes as an essential element a substantially uniform population of sunflower seed parents (as described) which were developed by applicant and possess homozygous f genes having the ability to facilitate the formation of parenchyma cells between floret anthers (instead of the typical collenchyma cells) which enable the anthers to become substantially non-fused following pollen dehiscense thereby making possible a greater degree of self-pollination with concomitant increased seed formation. In a further preferred embodiment F.sub.1 hybrid sunflower seeds are produced (as described). Alternatively, sunflower seeds capable of perpetuating inbred sunflower lines efficiently may be produced in increased yields on a commercially practicable basis.

REFERENCES:
patent: 3570181 (1971-03-01), Davis
patent: 3903645 (1975-09-01), Bradner

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