Growth and Yield of Double Cropping Potatoes Produced Using Seed Tubers of Different Types and Sizes

• 발행기관: 한국작물학회
• 저자명: 박현진(Hyun Jin Park) 이규빈(Gyu Bin Lee) 박영은(Young Eun Park) 조지홍(Ji Hong Cho) 최장규(Jang Gyu Choi) 서진희(Jin Hee Seo) 천충기(Chung Gi Cheon) 장동칠(Dong Chil Chang)
• 간행물 정보: 『한국작물학회지』제66권 제4호, 375~382쪽, 전체 8쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2021.12.30

영문 초록

For stable cultivation in double cropping, it is important to use potato (Solanum tuberosum L.) cultivars with a short dormancy period of 50-70 days and plant seed tubers of appropriate type and size. An experiment was conducted during 2018 -2019 to investigate the effects of seed tuber type and size on growth and yield performance in double cropping. Whole tubers of three sizes (10-20 g, 30-40 g, and 50-60 g) and conventional cut tubers weighing 30-40 g from three cultivars with different dormancy periods, namely ‘Daeji’ (40-60 days), ‘Eunsun’ (50-60 days), and ‘Saebong’ (50-80 days), were planted, and their field performance was compared. Regardless of the cultivar, the increase in the whole tuber weight up to 30-40 g led to fast emergence, thereby increasing ground cover rate, shoot growth rate, and tuber growth rate, which ultimately improved tuber yield by 33-54%. Comparing the whole and cut tubers, ‘Daeji’ and ‘Eunsun’ showed similar growth and yield performance; as such, the performance of whole tubers weighing 10-20 g was comparable to that of cut tubers weighing 30-40 g. However, ‘Saebong’, a cultivar with relatively long dormancy period, performed better with cut tuber than with whole tubers. Based on these results, we recommend the use of whole tubers weighing over 30 g for double cropping. Further studies to break tuber dormancy are warranted in cultivars with relatively long dormancy periods (50-80 days), such as ‘Saebong’.

목차

MATERIAL AND METHODS

RESULTS AND DISCUSSION

ACKNOWLEDGMENT

REFERENCES

키워드

cut tuber double cropping potato seed size seed tuber whole tuber