Wadl's program have improved plant architecture that decreases the critical weed-free period and increases the competitiveness of sweetpotato versus weeds. "The sweetpotato clones that are generated out of Dr. As the common ancestor to nearly all strains in the modern cannabis market, Skunk 1 hasn't lost its power punch in the three decades it has blessed the cannabis community and is evident in this sharply flavored specimen. "Reducing the critical weed-free period in a crop or the amount of time that a crop must remain weed-free to avoid yield loss is critical to the profitability of growers," said Cutulle. Sweet Sweet is a great yielder for a sativa and is thought to be a prime phenotype of the original Skunk 1. Matthew Cutulle's vegetable weed science program at Clemson University's Coastal Research and Education Center. Wadl and the researchers plan to continue ongoing research to develop new insect-resistant germplasm in collaboration with Dr. "For sweetpotato, a small number of bush-type cultivars already exist but are not resistant to insect pests." "Compact bunch- or bush-type varieties have been developed for other traditionally vining crops such as bean, cucumber, winter squash and watermelon," said Wadl. Researchers are taking another approach by looking at how other vining crops get upright plant growth. However, each method has its drawbacks and is not always sustainable for crop production. To manage weeds, sweetpotato growers typically use herbicides, between-row cultivation, mowing, and hand-weeding. For sustainable management of weeds and insect pests, combining insect resistance with a vigorous upright growth habit is necessary to 'stack' traits and develop varieties that exhibit erect, upright plant habit and resistance to insect pests."Īn attractive sweetpotato cultivar Ruddy (left) is sweet and moist and highly insect resistant unlike the widely grown and popular U.S. have low levels of resistance to soil-dwelling insect pests. "Additionally," he added, "the widely grown sweetpotato cultivars in the U.S. "Failure to control weeds can result in yield losses," said Wadl. "Breeding sweetpotatoes that are competitive with weeds offers a practical solution, because many widely grown sweetpotato cultivars tend to grow long vines in a sprawling manner, whereas sweetpotatoes with fast-growing upright and compact plant architecture can outcompete weeds."Īccording to Wadl, spreading vine growth allows weeds to establish in areas where the plant canopy has not completely shaded the soil surface and can lead to the quick establishment of weeds. Vegetable Laboratory in Charleston, South Carolina. sweetpotato industry," said Phillip Wadl, a research geneticist at ARS's U.S. "Weed management is consistently ranked among the top priorities of the U.S. They identified two sweetpotato clones that had reduced weeds, exhibited broad insect resistance, and produced higher yields. The researchers, whose efforts appear in the journal Weed Technology, bred and selected fast-growing sweetpotato clones that have semi-erect to erect canopy architecture, resulting in upright plant growth.
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