The first genetic map in walnut was created with the use of RFLP markers. A progeny of 63 individuals from an interspecific backcross of [J. hindsii×J. regia] ×J. regiawas investigated. This backcross was from an open-pollinated male-sterileJ. hindsii×J. regiatree (“Paradox Mom”) ...
Black walnuts require deep, fertile soil with a near-neutral or slightly acidic pH. They are pretty much disease-free and are threatened by a few pests. Picking Up the Nuts Thud! Thud! Most walnut tree owners have a love/hate relationship because of the fruit the tree drops in late summe...