first_imgWinter is the best time to plant pecan trees. The trees are dormant in winter andhave time to adjust before leafing out in the spring. It’s hard to control many diseases and insects on pecan trees without usingcostly chemicals (pesticides) and an air-blast sprayer. But home pecan trees and low-input farms can be productive if you choose the right cultivar (variety). Pecan scab is the hardest disease to control. And it’s prevalent throughoutGeorgia. Still, by choosing a cultivar that’s resistant or tolerant to scab, many peoplecan enjoy productive pecan trees. Small nut size is important, too, if you’re not going to irrigate. During adrought, it’s much easier for the tree to fill a small nut than a large one. Some pecan trees shed pollen early, while others are late. Some form nuts earlyand others late. Because of this, it’s best for trees to be close to other pecan trees orhave more than one cultivar nearby. The more cultivars in the planting, the better thechance for cross-pollination. But don’t crowd them. Plant pecan trees at least 40 feet apart. The following table rates the recommended home-garden cultivars for theirresistance to pecan scab. It rates them for black aphid resistance, too. It also providestheir nut size and the kernel’s, or nutmeat’s, percentage of the total weight.last_img

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