Lee, Joung Won;Kim, Chung Woo;Oh, Ha Kyung;Lee, Kyeong Hee;Lee, Seong Kyun;Kim, Sang Hee;Hong, Eui Yon
Korean Journal of Medicinal Crop Science
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v.25
no.3
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pp.160-164
/
2017
Background: This study were performed to determine the effect of root pruning of Zizyphus jujuba var. inermis (Bunge) Rehder. Root cutting inhibit vegetative growth and promote reproductive growth as temporarily reducing growth, net assimilation, water potential of leaf and cytokinin level. Methods and Results: The root pruning was treated of the root cutting widths 50, and 80 ㎝ and the root cutting depths 10, and 20 cm. The amount of root pruning and the number of suckers were the highest in the root-pruning treatment at a width of 50 cm and a depth of 20 cm. The blooming time was from June 18 to 20, and no difference was observed in the blooming time among the root-pruning treatments. The number of flowers was rather higher in the root-pruning treatment at a width of 50 cm and a depth of 20 cm and at a width of 80 cm and a depth of 20 cm. The percentage of fruit setting was higher in the plants whose roots were pruned at a depth of 20 cm than in the untreated plants. The fruit size, fruit weight, and sugar content showed no difference among the root-pruning treatments. Conclusions: The results showed that percentage of fruit setting increased with root pruning, while no difference was observed in the growth and fruit quality of plants.
RAHEEL, Asfand;KHAN, Nasir Ahmad;BABAR, Raheel;ULLAH, Muhammad Arshad;ZAFFAR, Ali;IQBAL, Maouz;ASHRAF, Usman
The Korean Journal of Food & Health Convergence
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v.5
no.3
/
pp.1-5
/
2019
The field experiment was conducted in vegetable area, Institute of Horticultural Sciences in University of Agriculture, Faisalabad in order to recognize morphological and fruit growth pattern and yield of Tinda (Praecitrullus fistulosus) gourd germplasm lines. Sixteen germplasm lines in which one line is used as check are included were sown and grown on flat beds in field. The field experiment was arranged as randomized complete block design (RCBD) with three replications. Data on days to maturity, fruit per vine, fruit weight in grams, fruit diameter and total yield obtained were recorded. The fruit texture is marked as phenotype parameter. All parameters were collected and then analyzed statistically. All lines and replications showed different results among each other according to parameter. The maximum DTM (days to maturity), F/P (fruit per plant), FW (fruit weight), FD (fruit diameter) and Yield were recorded was $L_0$ (68.66), $L_3$ (1.66), $L_{10}$ (248.33), $L_{13}$ (8.50) and $L_0$ (599.33) and the minimum were recorded was $L_1$ (56), $L_{11}$ (0.33), $L_0$ (198), $L_9$ (7) and $L_4$ (421) grams respectively. All lines showed smooth texture of fruits with no hairs when mature at harvesting stage.
To clarify the effects of application time of $GA_{4+7}$ paste (GA paste) on tree and fruit growth, fruit quality, and maturity of 'Kamcheonbae' and 'Whangkuembae' pears, GA paste of 25 mg each was applied directly to fruit stalk 25, 35, and 45 days after full bloom (DAFB). Later application of GA paste tended to increase the fruit weight of 'Kamcheonbae' pear. GA paste applied 45 DAFB increased the titratable acidity of the two cultivars. Fruit firmness of 'Kamcheonbae' was not affected by the GA paste treatment, while that of 'Whangkuembae' was increased by more than 20%. Fruit maturity of the two cultivars was hastened for 4 days by the GA paste treatment at any application time. Sharp increase in the fruit weight of the GA paste-treated 'Kamcheonbae' was noted from early July while that of control exhibited slow increase from early September. The initial growth pattern of 'Whangkeumbae' was similar to that of 'Kamcheonbae', but the growth slowed down from early September, regardless of the treatments.
This study was conducted to investigate the effects of soil amendment with different characteristics on plant growth, fruit yield and quality of oriental melon for continuous cropping under protected cultivation. Humus layers in arable soil was disturbed because soil amendment from hillside to oriental melon field was continued to resolve problems for continuous cropping. Water potential and hardness of soil was decreased in sandy loam with lower clay contents compared with loam and silty clay. Leaf length and area, fresh and dry weight of plant at earlier growing stage were higher, but chlorophyll contents of leaves were dropped in sandy loam compared with silty clay soil. Fruit size and weight was higher in sandy loam, but soluble solid and color of fruit were increased in silty clay. Marketable and unmarketable yield and quantity of fermented fruit were the highest in sandy loam. Hardness and weight of fruit were decreased by longer storage period and soluble solids of fruit was peaked at 5 day after storage, but decreased by prolonged continued storage. Because of these results, soil characteristics of amendment to oriental melon field should be considered as an important factor for quality and yield of oriental melon.
This study was carried out to determine the effect of fruit-set position and number of fruit set per plant on yield and quality including netting in "Super VIP" melon cultivated in spring season. 1) In training system of one fruit per plant, index of netting was acceptable, regardless of the node position of fruit-set. The higher node order of fruit set was, the heavier, longer, bigger in diameter the fruit set was, and the thicker the flesh was. However, soluble suger content and storability was decreased with increased node order. 2) In training system of two fruit per plant, the higher the fruit-set position in node order was, the better the netting index, fruit quality including fruit weight, length, diameter, and thickness of flesh were, but there was no difference in storability. 3) Fruits produced by one-fruit-per-plant training were superior to those produced by two-fruit-per-plant training in maker quality including netting, sugar content, stcrability. The fruit set on 12th node in one-fruit-per-plant training were the best in market quality. 4) Yield was increased by two-fruit-per-plant training.
Yun, Seok Kyu;Yoon, Ik Koo;Nam, Eun Young;Jun, Ji Hae;Kwon, Jung Hyun;Bae, Haejin;Kim, Ho Cheol;Kim, Tae-Choon
Horticultural Science & Technology
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v.32
no.4
/
pp.421-426
/
2014
To investigate the optimal size of fruit bearing branches (FBBs) of 'Kawanakajima Hakuto' peach (Prunus persica Batsch) for production of high quality fruits, we evaluated shoot growth and fruit characteristics relative to FBB direction and thickness. FBB diameter, shoot length, fruit weight, and soluble solids content (SSC) averaged 6.9 mm, 32.6 cm, 333.6 g, and $11.2^{\circ}Brix$, respectively. Coefficients of variation of FBB diameter and shoot length were high as 35.8% and 75.3%. The highest frequency values revealed that 76.4% of FBBs had a diameter below 9.0 mm, 70.0% of shoot lengths were less than 40 cm, 24.8% of fruits were 310-340 g, and 66.9% of SSCs were $10.5-12.5^{\circ}Brix$. Shoot length and SSC were significantly affected by FBB diameter without direction, and fruit weight was significantly affected by interaction of FBB diameter and direction. There was a negative correlation ($r^2=0.094^*$) of FBB diameter and fruit weight with upward FBB directions, whereas FBB diameter and fruit weight were positively correlated ($r^2=0.246^{**}$) with downward FBB direction. With thick FBB diameter, shoot length, and SSC were significantly increased, but fruit weight was decreased. Therefore, downward FBBs below 9.0 mm in thickness are suitable for producing high-quality fruits of 'Kawanakajima Hakuto' peach.
Park, Ji-Eun;Kwon, YongHee;Lee, ByulHaNa;Park, YoSup;Jung, MyungHee;Choi, Jin-Ho;Park, Hee-Seung
Horticultural Science & Technology
/
v.31
no.4
/
pp.407-414
/
2013
This study was carried out to understand the physiological characteristics of 'Manpungbae' (Pyrus pyrifolia Nakai) pears through the seasonal changes of pericarp structure and anatomical differences between bagging and non-bagging treatment, and also fruit quality and peel coloration characteristics at the harvest time. The pericarp at full bloom was consists of outer epidermis, hypodermis, parenchyma cell, and inner epidermis from the exterior. The cell layers from the outer epidermis to vascular bundle increased rapidly 7-10 layers to 18-26 layers from full bloom (FB) to 77 days after full bloom (DAFB) and did not change significantly until maturity. Thus, the cell division period of 'Manpungbae' pear was until 77 DAFB and during this period, the thickness from hypodermis to vascular bundle increased from $73.1{\mu}m$ to $195{\mu}m$ in this period. Stone cells were formed from seven to 21 DAFB and stone cell clusters were formed around 49 DAFB. The cork cell layer was formed between 49 and 77 DAFB. 'Manpungbae' fruit pericarp was consists of 4.5 layers of the cork cell layers and seven layers of hypodermis which has the tannin at harvest time (161 DAFB). Comparison of the fruit enlargement and fruit structure development by bagging or non-bagging showed that 'Manpungbae' fruits without bagging had more than three cork cell layer than those with bagging at maturity. The size of stone cell clusters were varied in two treatments. Fruit weight was higher in the non-bagging treatment but there was no difference in soluble solid contents (SSC) between two treatments. The weight of the 'Manpunbae' fruit was distributed from 301 g to more 900 g and the average fruit weight was 677.2 g at harvest time, and fruits in the range of 551-800 g accounted for 71.6% of total production. The SSC, acidity and SSC/acidity ratio was $10.2-12.1^{\circ}Brix$, 0.10-1.24% and 9.76-14.31 respectively, and the SSC was higher in bigger fruit which had a very higher positive correlation with a fruit weight. However, the fruit firmness tended to be lower with fruit size which had a very higher negative correlation with the fruit weight and SSC. The cork cell layer numbers between yellowish brown and green pericarp were not different significantly, in 3.8 and 3.5 respectively.
This experiment was conducted to make eatable fruit of oriental melon with peel, we covered oriental melon fruit with pear, apple and grape paper bag. Temperature inside paper bags was lower than air temperature in daytime but reversed in night. Relative humidity inside paper bags was higher than outside humidity in daytime but reversed in night. Covering with paper bags seemed to make fruit length shorter, fruit width narrower, flesh thickness thinner and fruit weight heavier but no difference was found among treatments. Soluble solid contents of flesh and placenta seemed lower with covering with paper bags but also difference did not find among treatments. Increasing of soluble solid contents of fruits was observed at 5 days after removing paper bags but not immediately at removing paper bags. Fruit hardness and chromaticity were dropped by covering paper bags. Decrease of fruit hardness by covering paper bags made more eatable with peel but more study have to be taken to improve chromaticity and soluble solid of fruits.
Kim, Seung-Heui;Park, Seo-Jun;Han, Jeom-Wha;Cho, Jung-Gun;Choi, Hyeong-Suk;Lim, Tae-Jun;Yun, Hea-Keun
Journal of Bio-Environment Control
/
v.21
no.2
/
pp.102-107
/
2012
This study was carried out to investigate the optimum soil environmental conditions of ten contents on production of high quality fruit in 'Hongro' apple. The soil and fruit characteristics were analyzed at total 60 orchards in major apple producing areas such as Chungju, Moonkyeung, Yeongju, Andong, Yeosan and Yeongcheon (10 orchards an area). The soil environmental factors affected fruit weight were the highest relative contribution in saturated hydraulic conductivity of 33.3%. The cation was 24.6%, the bulk density, soil texture and solid phase were also high as relative contribution. The fruit weight was influenced by soil physical properties more than soil chemical properties. The soil environmental factors affected sugar content were highest soil texture of 21.9%, and the CEC and bulk density were low as relative contribution. The fruit coloring was the highest relative contribution in phosphate of 55.9%. While saturated hydraulic conductivity and organic matter content were low. The coloring was influenced by soil chemical properties more than soil physical properties. Fruit coloring was high influenced over 70% by soil physical properties. Finally, relative contribution on fruit quality related with sugar content, fruit weight, and coloring were high influenced by cultivation layer depth of 25.8%, soil texture 22.2%, and soil pH of 21.0% but bulk density and solid phase were low relative contribution. The fruit growth and soil chemical properties in 'Hongro' apple were very closely related. Therefore, orchard soil management to produce high quality fruit was very importance drainage management and organic matter application. We concluded that scientific soil management is possible by quanlifiable of soil management factors.
Objectives : The purpose of this study is to determine new source of FRUTUS GLEDITSIAE and SPINA GLEDITSIAE. Methods : We observed the morphological features of fruit, spine, seed, and measured the length, weight of fruit, and removed from the bark and seed. Results : 1. The fruit of Gleditsia sinensis is almost straight. 2. The fruit of G. sinensis is 13-19cm long. 3. The fruit of G. sinensis is 11-22g. 4. The seed of G. sinensis is irregularly spherodical or compressed spherodical. 5. The fruit of G. sinensis can be removed from the bark and seed. Conclusion : The fruit of Gleditsia sinensis is the origin of FRUTUS GLEDITSIAE, and the spine of G. sinensis is the origin of SPINA GLEDITSIAE.
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