보고서 정보
주관연구기관 |
전라북도농업기술원 |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 |
한국어
|
발행년월 | 2016-02 |
과제시작연도 |
2015 |
주관부처 |
농촌진흥청 Rural Development Administration(RDA) |
과제관리전문기관 |
농촌진흥청 Rural Development Administration |
등록번호 |
TRKO201600003164 |
과제고유번호 |
1395041567 |
사업명 |
지역농업연구기반 및 전략작목육성 |
DB 구축일자 |
2016-06-25
|
DOI |
https://doi.org/10.23000/TRKO201600003164 |
초록
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Ⅳ. 연구개발결과
【1세부】씨 없는 수박 착과율 향상을 위한 기술개발
○ 고온기 적응 육묘시기에 따른 발아율 향상 기술개발
- 프라이밍 처리제 선발 : 씨드리스플러스 GA 5μM, 씨너스 H2O, 씨제로 H2O
○ 고온기 착과율 향상을 위한 수분수 기술개발
- 수분수 전용 및 수확겸용 12품종 선발, 20주 간격 수분수 식재(노동력 21.9% 절감)
○ 수정기 착과율 향상을 위한 꿀벌 수정 기술개발
- 벌 수정 적정 수분수 재식거리 설정 : 봄 10주, 여
Ⅳ. 연구개발결과
【1세부】씨 없는 수박 착과율 향상을 위한 기술개발
○ 고온기 적응 육묘시기에 따른 발아율 향상 기술개발
- 프라이밍 처리제 선발 : 씨드리스플러스 GA 5μM, 씨너스 H2O, 씨제로 H2O
○ 고온기 착과율 향상을 위한 수분수 기술개발
- 수분수 전용 및 수확겸용 12품종 선발, 20주 간격 수분수 식재(노동력 21.9% 절감)
○ 수정기 착과율 향상을 위한 꿀벌 수정 기술개발
- 벌 수정 적정 수분수 재식거리 설정 : 봄 10주, 여름 10주, 가을 15주
【2세부】씨 없는 수박 생리장해 경감을 위한 기술개발
○ 주요 생리장해 경감을 위한 재식거리 설정
- 재식거리 45→35cm시 상품수량 3,831→4,137(kg/10a)증가
○ 적정 시비량 설정
- 시설수박 표준시비량 준수 시 상품수량 가장 많음
○ 초세조절을 위한 무기물질 선발
- 제1인산칼륨을 엽면 살포 시 초세가 약해짐(생육억제 및 과중감소)
【3세부】씨 없는 수박 수광조절에 의한 품질향상 기술개발
○ 덩굴유인방법 설정
- 3덩굴 유인 대비 2덩굴 유인시 노동력 33.4% 절감
○ 고온기 착과율 향상을 위한 착과절위 설정
- 3~4번 자화 착과시 5번 자화 착과 대비 황대과 발생률 24.9% 감소
○ 수확기 차광시기 구명
- 착과 후 30일 전 35%차광망 이용 차광 시 육질악변과(피수박)의 발생 감소
Abstract
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Priming material and concentration was screened to improve germination rate of triploid watermelon seeds. GA 5μM was effective on Seedless-plus. H2O was effective on Ssinus and C-zero.
Diploid watermelon cultivars was selected as a pollenizer of triploid watermelon. Selected exclusive
Priming material and concentration was screened to improve germination rate of triploid watermelon seeds. GA 5μM was effective on Seedless-plus. H2O was effective on Ssinus and C-zero.
Diploid watermelon cultivars was selected as a pollenizer of triploid watermelon. Selected exclusive pollenizer cultivars were Boksubak, Seotaeja, Bravo, No. 1, Nunettine. Cultivars for both pollenizer and harvest were Haekgajok, Dangdanghanggul, 815, Jeongtongkkul, Gangryuk Sambokggul, GW201, GW203.
Fruiting rate was 100% when pollenizer was implanted 5, 10, 15 and 20 planting interval. Labor costs was reduced 21.9% on 20 planting interval compare with 10.
In test of bee pollination for labor saving, fruiting rate was different depending on pollenizer planting interval in each season. 5 interval was highest as 91.2% in fall, 90.2% in spring and 87.5% in summer. Income was increased 7% in spring cultivation and 3% summer cultivation planted in 10 intervals, 9% in fall planted in 15 intervals.
Three experiments were conducted to test the effects of planting density, fertilization, vigor control material on physiological disorder. In planting density test(35cm, 40cm, 45cm), petiole length was short in low planting density but vine diameter was thick. Furthermore, fruit weight was heavier and fruit length and width is bigger. Occurrence rate of hollow fruit was lowest in 45cm. Commercial yield was highest as 4,137kg/10a in 35cm. As a result of economic analysis, 35cm could get additional income as 91,953won/10a in comparison with 45cm. In fertilization test, fruit weight became heavier as fertilization increase. Hollow fruits were fewest and commercial yield was highest in 4 times of KH2PO4 foliar fertilization. Foliar fertilization of KH2PO4 inhibited the growth of watermelons, so fruit weight became light and yield was decreased. Although commodity rate was increased by KH2PO4, it must be considered vigor, fruit weight and price of watermelons before treatment, because commercial yield got decreased.
The fruit and growth characteristics showed similarity when 2 vine, 2+1 vine, and 3 vine training methods was applied to seedless watermelon cultivated during high temperature season. However, 2 vine training method reduced the workforce, suggesting that this method can be used for cultivation of seedless watermelon.
The experiment of fruit setting position showed that fruit weight was lower when fruit was set on the second female flower, while the occurrence of yellow belt fruit was increased when fruit was set on the fifth female flower. As a result, the stability of fruit quantity and quality was observed when fruit was set on the 3rd or the 4th female flower.
The occurrence of blood flesh fruits was found in common watermelon grown in plastic house during high temperature season by high radiation. Fruit-temperature rose to 56℃ was observed when seedless watermelon was exposed to direct sunlight on sunny day. And the occurrence of blood flesh fruits was increased 13% and 24% in shading after 25days of fruit-setting and non-shading, thus 35% of shading net should be used for shading after 25days of fruit-setting.
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