Relationships between Blossom-End Rot in Pepper and Calcium Fertilization during the First Fruit Setting Period

Byeon, Il-Su,Seo, Sun-Young,Chung, Jong-Bae Korean Society of Soil Science and Fertilizer 2012 한국토양비료학회지 Vol.45 No.1

Blossom-end rot is probably the most recognizable Ca deficiency that affects fruit production including pepper. We investigated the induction of blossom-end rot during the period of rapid vegetative growth and fruit setting, and the effect of Ca fertilization on the suppression of blossom-end rot in pepper plants grown in a plastic-film house. During the first fruit setting period, more than 60% of pepper fruits larger than 8 cm showed the symptoms of blossom-end rot. Under the condition of transpiration occurring at a much faster rate, growing leaves of pepper plants could be the greater sinks for Ca than developing fruits. The incidence of blossom-end rot was significantly decreased after two weeks of Ca fertigation. Calcium application during the rapid vegetative growth and fruit setting period could be suggested as a preventive step to overcome the local Ca deficiency inducing blossom-end rot of pepper fruits.

Relationships between Blossom-End Rot in Pepper and Calcium Fertilization during the First Fruit Setting Period

변일수,서선영,정종배 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.1

Blossom-end rot is probably the most recognizable Ca deficiency that affects fruit production including pepper. We investigated the induction of blossom-end rot during the period of rapid vegetative growth and fruit setting, and the effect of Ca fertilization on the suppression of blossom-end rot in pepper plants grown in a plastic-film house. During the first fruit setting period, more than 60% of pepper fruits larger than 8 cm showed the symptoms of blossom-end rot. Under the condition of transpiration occurring at a much faster rate,growing leaves of pepper plants could be the greater sinks for Ca than developing fruits. The incidence of blossom-end rot was significantly decreased after two weeks of Ca fertigation. Calcium application during the rapid vegetative growth and fruit setting period could be suggested as a preventive step to overcome the local Ca deficiency inducing blossom-end rot of pepper fruits.

Relationships between Blossom-End Rot in Pepper and Calcium Fertilization during the First Fruit Setting Period

Il-Su Byeon,Sun-Young Seo,Jong-Bae Chung 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.1

Blossom-end rot is probably the most recognizable Ca deficiency that affects fruit production including pepper. We investigated the induction of blossom-end rot during the period of rapid vegetative growth and fruit setting, and the effect of Ca fertilization on the suppression of blossom-end rot in pepper plants grown in a plastic-film house. During the first fruit setting period, more than 60% of pepper fruits larger than 8 cm showed the symptoms of blossom-end rot. Under the condition of transpiration occurring at a much faster rate, growing leaves of pepper plants could be the greater sinks for Ca than developing fruits. The incidence of blossom-end rot was significantly decreased after two weeks of Ca fertigation. Calcium application during the rapid vegetative growth and fruit setting period could be suggested as a preventive step to overcome the local Ca deficiency inducing blossom-end rot of pepper fruits.

Comparison of Calcium Content between Blossom-End Rot and Healthy Fruits in Red Pepper (Capsicum annuum L.) Grown in Open Field

Lee, Seong-Eun,Park, Jin-Myeon,Noh, Jae-Seung,Lim, Tae-Jun Korean Society of Soil Science and Fertilizer 2012 한국토양비료학회지 Vol.45 No.1

The causes of blossom-end rot (BER) are still not understood clearly, although there was a lot of research on the development of BER over 100 years. This experiment was conducted to investigate the influence of Ca content of fruit on the incidence of BER in red pepper. BER affected fruits and healthy fruits had been harvested and the samples were divided into two parts, the upper and the lower, for chemical analysis to determine the content of mineral nutrients in the tissue. The content of nitrogen (N), phosphorus (P), potassium (K) and magnesium (Mg) was higher in the BER affected fruits and the difference of each nutrient content was revealed much larger in the lower part of the fruit but there were no significant differences in calcium content between the BER and the healthy fruits of red pepper, in this experiment. The results indicate that it is difficult to find a certain relation between the calcium content of the fruit and the occurrence of blossom-end rot.

Comparison of Calcium Content between Blossom-End Rot and Healthy Fruits in Red Pepper (Capsicum annuum L.) Grown in Open Field

이성은,박진면,노재승,임태준 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.1

The causes of blossom-end rot (BER) are still not understood clearly, although there was a lot of research on the development of BER over 100 years. This experiment was conducted to investigate the influence of Ca content of fruit on the incidence of BER in red pepper. BER affected fruits and healthy fruits had been harvested and the samples were divided into two parts, the upper and the lower, for chemical analysis to determine the content of mineral nutrients in the tissue. The content of nitrogen (N), phosphorus (P),potassium (K) and magnesium (Mg) was higher in the BER affected fruits and the difference of each nutrient content was revealed much larger in the lower part of the fruit but there were no significant differences in calcium content between the BER and the healthy fruits of red pepper, in this experiment. The results indicate that it is difficult to find a certain relation between the calcium content of the fruit and the occurrence of blossom-end rot.

착색단고추 고온기 호박벌 처리에 의한 착과증진 효과

원재희(Jae Hee Won),이성열(Seong Yoll Lee),김종기(Jong Kee Kim),전신재(Shin Jae Jeon) (사)한국생물환경조절학회 2009 시설원예‧식물공장 Vol.18 No.4

고랭지 착색단고추 여름재배시 착과 증대 및 품질향상을 위하여 호박벌을 이용한 수정증대 효과에 대하여 검토하였다. 호박벌에 의하여 처리기간 동안 착과수의 증가는 있었으나 재배기간의 총 수량에서는 무처리와 비교하여 차이가 없었다. 과실의 종자수는 무처리에 비해 호박벌 처리에서 7.3%가 증가되었으나 배꼽썩음과 발생은 높았다. 과중의 분포 비율이 호박벌 처리에 의하여 SS 사이즈는 감소하고 L 사이즈가 증가하여 수출 규격품율이 향상되었다. 따라서 고랭지 여름재배시 착과증진을 위한 호박벌 처리는 착과율을 높이고 과실의 종자수를 증가시켜 수출 규격품율을 높이는 등 고품질 생산에 효과적이었으며 배꼽썩음과 방지에 대한 검토가 추후 필요할 것으로 판단되었다. This experiment was executed to investigate the effect of the carpenter bee as a pollinator on the fruit set increment of sweet pepper in summer hydroponics in the alpine area of Gangwon province, Korea. Where the number of fruit sets were increasing during the treatment of pollination by the carpenter bee, total yields during the whole growing period were not different. The number of seeds per fruit in the treatment of the carpenter bee increased more than that in the control by 7.3 percent increment, but the percentage of blossom-end rot increased. As fruit weight range of SS size (below 120g) decreased and that of L size (from 181g to 210g) increased by the pollination treatment, so the percentage of standardized products for the export to Japan improved. Therefore this result was effective for the fruit production of high quality for the export to Japan and it will be necessary for further study on the method of reducing blossom-end rot to be done.

순환식과 비순환식 수경재배에 있어서 팽이버섯 톱밥 재활용 배지량이 토마토 생육과 수량에 미치는 영향

이상우(Sang-Woo Lee),심상연(Sang-Yeon Sim),이수연(Su-Yeon Lee),서명훈(Myeong-Whoon Seo),임재욱(Jae-Wook Lim),이해길(Hae-Gil Lee),박권우(Kuen-Woo Park) 한국원예학회 2005 원예과학기술지 Vol.23 No.4

This study was carried out to investigate the possibility of reuse of wood sawdust substrates after enokitake (Flammulina velutipes) cultivation as cultural medium for tomato production in hydroponics. Tomato plants cultivated in 2, 4, and 8 ℓ per plant of reused substrates of enokitake (RSE) were compared with those in perlite medium. In the first cultivation, tomato plants were cultivated in recycled hydroponics. Growth elements, such as leaf width, length, and stem diameter were increased, when the amount of RSE were increased, but marketable yields in RSE were smaller by 25% than those in perlite medium, due to higher occurrence of blossom-end rot in RSE. In the second cultivation, non-recycled hydroponics reduced the occurrence of blossom-end rot in RSE, compared to recycled hydroponics. Marketable yields of tomato plants grown in 4 ℓ of RSE on non-recycled hydroponics was 6% higher than those in perlite medium on recycled hydroponics. Total porosity and container capacity of RSE were higher. Moreover, the amounts of P, K, Mg and Ca in RSE after tomato cultivation were also higher than those in perlite medium, but did not affect the yields of tomato.

여름철 소과형 파프리카 수경재배 시 코이어 배지함수량이 생육과 수량에 미치는 영향

이한철(Han Cheol Rhee),최경이(Gyoeng Lee Choi),노미영(Mi Young Roh),정재완(Jae Woan Jeong),조명환(Myeung Hwan Cho),김영철(Young Cheol Kim),안철근(Chul Geun An) (사)한국생물환경조절학회 2012 생물환경조절학회지 Vol.21 No.3

‘E 499524’(적색), ‘E 499526’(황색) 및 ‘E 499531’ (주황색) 3 품종(Enza Zaden, The Netherlands)의 소과형 파프리카를 이용하여 여름철에 코이어배지경으로 시험을 수행하였다. 양액공급은 오전 7시부터 오후 4시까지 TDR센서를 이용하여 공급하였으며 배지 내함수량(관수개시점)을 생육단계별로 설정하였다. 초장은 배지함수량이 높을수록 길었으며 품종 간에는 ‘적색’, ‘황색’, ‘주황색’ 순이었다. 평균과중은 배지함수량이 많을수록 무거웠으나 품종 간에는 차이가 없었다. 주당 착과수는 함수량이 높을수록 많았으며 품종간에는 ‘적색’, ‘황색’, ‘주황색’ 순이었다. 상품수량은 배지함수량이 높을수록 증가하였고 배지함수량 55~65~60% 처리에서 가장 많았으며 품종 간에는 ‘적색’ 품종이 8,348kg/10a, ‘황색’ 품종이 6,916kg/10a, ‘주황색’ 6,916kg/10a, 순으로 많았다. 과실의 당도는 배지수분 함량이 적을수록 높았으며 품종 간에는 ‘주황색’이 7.8~9.3oBrix로 가장 높았다. 과육의 두께는 배지 수분함량 간에는 차이가 없었으나 품종 간에는 ‘황색’이 가장 두꺼웠다. BER, 과병무름증 및 일소과 발생율은 배지함수량이 많을수록 낮았으며 품종 간에는차이가 없었다. 이상의 결과에서 여름철 소과형 파프리카 수경재배시 코이어 배지의 관수개시점을 정식부터 제1그룹 착과까지는 55%, 제1그룹부터 2그룹수확까지는 65%,제3그룹착과 이후부터는 60%로 설정하는 것이 가장 좋은 것으로 판단되었다. This study was carried out to investigate the effect the water content in coir substrates as according to growth stage on the growth and yield of mini-paprika of three varieties ‘E 499524’ (red color), ‘E 499526’ (yellow colar) and ‘E 499531’ (orange colar) in summer hydroponics. Treatments of I, II and III were composed of 55-65-60, 50-60-55 and 45-55-50% in water contents of growth stages, respectively. Time domain reflectometry (TDR) sensors were used in a drip irrigation system. The early growth of minipaprika was increased by high medium water content of treatment I in all of three varieties. Mean fruit weight was not affected by medium water content, but the fruit number per plant and yield were increased at high medium water content of treatment I. The Yield of treatment I was higher than that of treatment II and III in all of three varieties. The sugar content was increased by low medium water content of treatment in all of three varieties. The incidence of brown-stem fruit, blossom-end rot and sunburn was decreased with increasing water content of medium. Occurred in the low water content of medium. Mineral contents of fruits such as nitrogen (N), potassium (K), calcium (Ca), magnesium (Mg) etc. were not affected in all of three varieties.

미생물제 엽면처리가 토마토의 생리적 활성 및 품질에 미치는 영향

정천순(Cheon Soon Jeong),박종남(Jong Nam Park),경장현(Jang Hun Kyoun),임춘근(Chun Keun Lim),허장현(Jang Hyun Hur),박덕환(Duck Hwan Park) 한국원예학회 2005 원예과학기술지 Vol.23 No.3

The HrpN<SUB>EP</SUB> protein and Messenger were applied on leaves of tomato as microbial fertilizer and their effects on the physiological activities of plant and the fruit quality were examined. The treatments of microbial fertilizers showed higher photosynthetic rate, stomatal conductivity and chlorophyll contents than those in the control treatment. Additionally, inorganic ion contents were higher in the treatment of microbial fertilizers to those of control treatment. This result indicated that the microbial fertilizer application promoted uptake of inorganic ion. Besides, tomato treated with HrpN<SUB>EP</SUB> protein showed higher physiological activities when compared to that of treated with microbial fertilizer, Messenger. Moreover, blossom-end rot of fruit was decreased, while total yield was increased in the HrpN<SUB>EP</SUB> protein treated plant when compared with Messenger treated plant due to highest calcium content in fruit. The contents of soluble solid, sugar and vitamin C, except acid content, were higher and fruit quality was also improved in the treatment with HrpN<SUB>EP</SUB> protein.

관비재배시 토마토 생육과 품질에 미치는 폐양액과 기존 비료의 효과

장성호(Cheng Hao Zhang),서지호(Zhihao Xu),강호민(Ho-Min Kang),김일섭(Il Seop Kim) 한국원예학회 2010 원예과학기술지 Vol.28 No.4

Waste nutrient solution (WNS) that was the drained nutrient solution of Horticultural Research Institute of Japan for culture tomato in perlite hydroponics showed 1.9-2.4 dSㆍm?¹ of EC and 5.7-7.1 pH from April to July. Although NH₄?-N concentration of WNS decreased remarkably, the other nutrients did not change significantly, as compared with supplied solution. There were no significant differences in plant height, stem diameter, and the other growth characteristics of tomato plants grown by 2 fertigation nutrient solutions; BHF (Bountiful Harvest Fertilizer, 10% of N, 13% of PO₄, 13% of K, 0.05% of B, 0.05% of Zn, and 0.0023% of Cu that made in Korea) and Megasol (11% of N, 8% of PO₄, 34% of K, 0.032% of Mn, 0.002% of B, 0.048% of Fe, 0.0122% of Zn, and 0.0023% of Cu that made in Belgium.); however, the chlorophyll content of tomato leaf was highest in WNS. The fresh and dry weight of tomato plants were higher in 3 fertigation treatments than irrigation of tap water, while there were no significant differences in fresh and dry weight among the 3 fertigation treatments. The mineral content of tomato leaf also did not show any differences among the 3 fertigation treatments and any regular tendency in all minerals. Total yield, fruit weight and fruit numbers of tomato were higher in WNS, followed by Megasol, BHF and control, although there were not any difference among the 3 fertigation nutrient solution treatments. BER(blossom-end rot)of tomato fruits decreased in fertigation treatments, especially, fruits grown in WNS and BHF showed lower BER. However, the transpiration rate of leaf was higher in control, followed by BHF, WNS and Megasol, The fruit size and soluble solids content was higher in 3 fertigation nutrient treatments than control. These results suggest that WNS can be used for fertigation solution in tomato because yield and quality of tomato fruit grown in WNS fertigation treatment were similar to those in 2 fertigation nutrient solutions treatments(BHF, Megasol).