Abstract
주지 연장지를 활용한 간벌에 의해 재식거리가 확보된 포도캠벨얼리 품종의 수체와 과실 생육 특성을 조사하였다. 포도나무의 전정 전 가지 굵기는 11.8 mm였고, 간벌구는 가지 굵기가 9.3 mm로 감소되었다. 간벌구의 신초 수는 주당 55.9~64.5개로 증가하였고, 신초당 송이 착과율은 간벌구가 1.5~1.75개로 대조구의 약 0.8개보다 높게 나타나 간벌구가 주당 98.1~106.5송이로 대조구의 24.4~28.0송이 보다 착과량이 많았다. 과실 특성 중 가용성고형물 함량 및 산도는 간벌구과 대조구간에 차이가 없었다. 포도 캠벨얼리 품종의 상품과 기준인 351 g 이상 송이 비율은 간벌구가 81.0로 대조구구의 35.7%보다 현저히 높았다. 따라서 과실 특성과 생산량을 볼때 캠벨얼리 품종에서 수세가 강하면 주지연장지를 활용한 간벌 처리가 효과적인 것으로 판단되었다. Shoot and the fruit growth characteristics of 'Campbell Early' grape cultivar were investigated after vine thinning using the main branch leader. Before vine thinning, branch diameter was 11.8 mm, but it decreased to 9.3 mm after vine thinning. The number of shoots per vine increased to 55.9-64.5 after vine thinning. The number of fruit clusters per shoot was higher (1.5-1.75) in the vine thinning plot than in the control (0.8). Consequently, the number of clusters per vine was 98.1-106.5 in the vine thinning plot, while that in the control was 24.4-28.0. However, soluble sugar content (SSC) and tartaric acidity showed no significant differences between the control and the vine thinning plot. The proportion of >351 g fruit cluster weight after vine thinning (81.0%) was significantly higher than that of the control (32.5%). These results imply that fruit quality based on the variation in cluster weight and fruit yield was enhanced by vine thinning using the main branch leader.
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Claims 8
Claim · model-written summary
Vine thinning decreased branch diameter from 11.8 to 9.3 mm.
Verbatim
e0“Before vine thinning, branch diameter was 11.8 mm, but it decreased to 9.3 mm after vine thinning”
t0“Grape”
Claim · model-written summary
Vine thinning increased shoots per vine to 55.9–64.5.
- Taxon
- Grapet0
- Treatment
- vine thinninge0
- Outcome
- number of shoots per vinee0
- Direction
- increasede0
- Value
- 55.9-64.5e0
Not reportedComparator
Verbatim
e0“The number of shoots per vine increased to 55.9-64.5 after vine thinning”
t0“Grape”
Claim · model-written summary
Vine thinning increased fruit clusters per shoot to 1.5–1.75 versus 0.8 in control.
Verbatim
e0“The number of fruit clusters per shoot was higher (1.5-1.75) in the vine thinning plot than in the control (0.8)”
t0“Grape”
Claim · model-written summary
Thinning increased clusters per vine to 98.1–106.5 versus 24.4–28.0 in control.
- Taxon
- Grapet0
- Treatment
- vine thinning plote0
- Outcome
- number of clusters per vinee0
- Value
- 98.1-106.5e0
- Qualifier
- 24.4-28.0e0
- Comparator
- controle0
Not reportedDirection
Verbatim
e0“the number of clusters per vine was 98.1-106.5 in the vine thinning plot, while that in the control was 24.4-28.0”
t0“Grape”
Claim · model-written summary
Soluble sugar content did not differ significantly after vine thinning.
Verbatim
e0“soluble sugar content (SSC) and tartaric acidity showed no significant differences between the control and the vine thinning plot”
t0“Grape”
Claim · model-written summary
Tartaric acidity did not differ significantly after vine thinning.
Verbatim
e0“soluble sugar content (SSC) and tartaric acidity showed no significant differences between the control and the vine thinning plot”
t0“Grape”
Claim · model-written summary
Vine thinning increased the proportion of fruit clusters heavier than 351 g to 81.0% versus 32.5% in control.
Verbatim
e0“The proportion of >351 g fruit cluster weight after vine thinning (81.0%) was significantly higher than that of the control (32.5%)”
t0“Grape”
Claim · model-written summary
The authors concluded vine thinning enhanced fruit quality and yield.
- Taxon
- Grapet0
- Treatment
- vine thinning using the main branch leadere0
- Outcome
- fruit quality based on the variation in cluster weight and fruit yielde0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“fruit quality based on the variation in cluster weight and fruit yield was enhanced by vine thinning using the main branch leader”
t0“Grape”
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