생과용 구기자 품종 ‘청감’의 수량성 향상을 위한 고수고 재배 방법
High-Fence Type Cultivation Method for Improving Yield of Fresh Goji Berry (Lycium chinense Mill.) Variety ‘Cheonggam’
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Background: ‘Cheonggam’ is a high-sugar goji berry (Lycium chinense Mill.) variety developed for fresh consumption; however, its low fruit set and yield limit its commercial use. Methods and Results: A field experiment was conducted under rain shelter conditions to evaluate the effect of high fence-type training (120 and 150 ㎝ with 90 ㎝ as the control) and different pinching treatments (5 ㎝ twice, 10 ㎝ three times, 20 ㎝ once, and 15 ㎝ twice as the control) on fruit and labor productivity. Compared with the conventional method, high fence-type training at 120 and 150 ㎝ significantly increased the number of fruits per plant (by 1.8 and 2.2-fold, respec- tively) and fresh fruit yield (by 1.4 and 1.7-fold, respectively). Among the treatments, single pinch- ing at 20 ㎝ was most effective, reducing pinching labor requirements by 50% and increasing yield by 26% compared with the control. In addition, high-fence-type cultivation improved productivity per labor hour in mechanized operations. Conclusions: These findings suggest that combining high fence-type cultivation with a single 20 ㎝ pinching can significantly enhance both yield and labor efficiency while maintaining fruit qual- ity. These results offer a practical approach to improve the productivity and economic value of ‘Cheonggam’ in fresh goji berry production.
Abstract
Background: ‘Cheonggam’ is a high-sugar goji berry (Lycium chinense Mill.) variety developed for fresh consumption; however, its low fruit set and yield limit its commercial use. Methods and Results: A field experiment was conducted under rain shelter conditions to evaluate the effect of high fence-type training (120 and 150 ㎝ with 90 ㎝ as the control) and different pinching treatments (5 ㎝ twice, 10 ㎝ three times, 20 ㎝ once, and 15 ㎝ twice as the control) on fruit and labor productivity. Compared with the conventional method, high fence-type training at 120 and 150 ㎝ significantly increased the number of fruits per plant (by 1.8 and 2.2-fold, respec- tively) and fresh fruit yield (by 1.4 and 1.7-fold, respectively). Among the treatments, single pinch- ing at 20 ㎝ was most effective, reducing pinching labor requirements by 50% and increasing yield by 26% compared with the control. In addition, high-fence-type cultivation improved productivity per labor hour in mechanized operations. Conclusions: These findings suggest that combining high fence-type cultivation with a single 20 ㎝ pinching can significantly enhance both yield and labor efficiency while maintaining fruit qual- ity. These results offer a practical approach to improve the productivity and economic value of ‘Cheonggam’ in fresh goji berry production.