Heat tolerant broccoli
AssigneeR&D AG, Inc.
InventorsRobert Barham, David Joynt
Life of this patent
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Abstract
Heat tolerant broccoli plants and seed produced therefrom are described. The heat tolerant broccoli plants are capable of producing a commercially acceptable broccoli head under heat stress growth conditions. The heat tolerant broccoli plants are exemplified by seeds deposited with the American Type Culture Collection and having ATCC Accession numbers: 203530, 203531, 203532, and 203533.
Claims8
A broccoli plant or parts of said plant wherein said plant comprises a center head having a diameter of 3 to 10 inches at maturity when said plant is exposed to a maximum daily temperature of 90° F. to 100° F. for 5 consecutive days during the bud development phase of said plant wherein said plant exhibit no heat stress symptoms including one or more of the following:
- non-uniform beads;
- brown, yellow, light-green or purple colored heads;
- flat heads;
- bracts;
- rapid fracturing of the head, “cateye”, and hollow stems.
A broccoli plant or parts of said plant wherein said plant comprises a center head having a diameter of 3 to 10 inches at maturity when said plant is exposed to a maximum daily temperature of 95° F. to 100° F. for at least 1 day during the bud development phase of said plant wherein said plant exhibit no heat stress symptoms including one or more of the following:
- non-uniform beads;
- brown, yellow, light-green or purple colored heads;
- flat heads;
- bracts;
- rapid fracturing of the head, “cateye”, and hollow stems.
A broccoli plant or parts of said plant wherein said plant comprises a center head having a diameter of 3 to 10 inches at maturity when said plain is exposed to a maximum temperature of at least 85° F. to 100° F. for at least 15 days during the bud development phase of said plant wherein said plant exhibit no heat stress symptoms including one or more of the following:
- non-uniform beads;
- brown, yellow, light-green or purple colored heads;
- flat heads;
- bracts;
- rapid fracturing of the head, “cateye”, and hollow stems.
A broccoli plant or parts of said plant wherein said plant comprises a center head having a diameter of 3 to 10 inches at maturity when said plant is exposed to a maximum temperature of 80° F. to 100° F. for at least 20 days during the bud development phase of said plant wherein said plant exhibit no heat stress symptoms including one or more of the following:
- non-uniform beads;
- brown, yellow, light-green or purple colored heads;
- flat heads;
- bracts;
- rapid fracturing of the head, “cateye”, and hollow stems.
Dependencies are inferred from the claim text.