cucumis melo l
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2022 ◽  
Vol 293 ◽  
pp. 110717
Author(s):  
Haonan Cui ◽  
Zhuo Ding ◽  
Zicheng Zhu ◽  
Shi Liu ◽  
Xuezheng Wang ◽  
...  

Horticulturae ◽  
2022 ◽  
Vol 8 (1) ◽  
pp. 82
Author(s):  
Simranpreet Kaur ◽  
Sat Pal Sharma ◽  
Navraj Kaur Sarao ◽  
Jaideep Kaur Deol ◽  
Rupeet Gill ◽  
...  

Ten genetically diverse inbred lines, including two genic male sterile lines, of muskmelon (Cucumis melo L.) were crossed in a half-diallel to generate 45 F1 hybrids. These hybrids, along with the parental lines and commercial check, were evaluated for their fruit yield, level of phytochemicals and Fusarium wilt resistance. Both additive and non-additive genetic variances were important in governing the expression of all of the traits; however, the additive gene action for the fruit weight (g), flesh thickness (cm), rind thickness (mm), firmness (lb inch−2), β-carotene content (mg/100 g), non-additive variance for fruit yield (t ha−1), fruit number, total soluble solids (TSS, °Brix), ascorbic acid (mg/100 g) and reaction to Fusarium wilt were comparatively more important. The parental line MM-625 was the best general combiner for fruit yield, rind thickness and β-carotene content (mg/100 g). The exotic line Riogold was the best combiner for flesh thickness and firmness. The netted inbred line MM-610 was the best general combiner for fruit weight, ascorbic acid and reaction to Fusarium wilt. The inbred lines KP4HM-15 and MM-916 were the best general combiners for the number of fruits per vine and TSS. The best cross-combinations for fruit yield ha−1 and TSS were MS-1×M-610 and Kajri×MM-904, respectively. The hybrids KP4HM-15×MM Sel-103 and KP4HM-15×MM-1831 recorded the highest standard heterosis for fruit yield and TSS. The landrace-derived inbred lines Kajri, MM Sel-103 and KP4HM-15 produced moderate-to-highly FW-resistant hybrids. Out of the 121 SSR markers applied, 70 exhibited parental polymorphism. The markers DM0561, CMAAAGN14, TJ147, CMMS35_3, CMAGN45 and DE1337 identified specific/unique alleles in certain parental genotypes. Thus, the findings of this study revealed that the novel inbred lines can effectively be combined to generate heterotic F1 hybrids for yield and other traits, such as rind and flesh thickness, TSS, β-carotene content and firmness. Furthermore, SSR markers can potentially be utilized to confirm the genetic diversity among the parental lines, and for the DNA fingerprinting of F1 hybrids.


Plants ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 184
Author(s):  
Tomas Rivas-Garcia ◽  
Bernardo Murillo-Amador ◽  
Juan J. Reyes-Pérez ◽  
Roberto G. Chiquito-Contreras ◽  
Pablo Preciado-Rangel ◽  
...  

The indiscriminate use of synthetic fungicides has led to negative impact to human health and to the environment. Thus, we investigated the effects of postharvest biocontrol treatment with Debaryomyces hansenii, Stenotrophomonas rhizophila, and a polysaccharide ulvan on fruit rot disease, storability, and antioxidant enzyme activity in muskmelon (Cucumis melo L. var. reticulatus). Each fruit was treated with (1) 1 × 106 cells mL−1 of D. hansenii, (2) 1 × 108 CFU mL−1 of S. rhizophila, (3) 5 g L−1 of ulvan, (4) 1 × 106 cells mL−1 of D. hansenii + 1 × 108 CFU mL−1 of S. rhizophila, (5) 1 × 108 CFU mL−1 of S. rhizophila + 5 g L−1 of ulvan, (6) 1 × 106 cells mL−1 of D. hansenii + 1 × 108 CFU mL−1 of S. rhizophila + 5 g L−1 of ulvan, (7) 1000 ppm of benomyl or sterile water (control). The fruits were air-dried for 2 h, and stored at 27 °C ± 1 °C and 85–90% relative humidity. The fruit rot disease was determined by estimating the disease incidence (%) and lesion diameter (mm), and the adhesion capacity of the biocontrol agents was observed via electron microscopy. Phytopathogen inoculation time before and after adding biocontrol agents were also recorded. Furthermore, the storability quality, weight loss (%), firmness (N), total soluble solids (%), and pH were quantified. The antioxidant enzymes including catalase, peroxidase, superoxide dismutase, and phenylalanine ammonium lyase were determined. In conclusion, the mixed treatment containing D. hansenii, S. rhizophila, and ulvan delayed fruit rot disease, preserved fruit quality, and increased antioxidant activity. The combined treatment is a promising and effective biological control method to promote the shelf life of harvested muskmelon.


2022 ◽  
Vol 9 (1) ◽  
pp. 52-61
Author(s):  
Nguyễn Phước Minh

Cantaloupe (Cucumis melo L.) is one of the most delicious fruits popularly cultivated in tropical regions due to its sweet-juicy taste, attractive flavor and bioactive composition. Extending cantaloupe shelf-life during handling and distribution is very necessary to upgrade its commercial value. Methyl jasmonate (MJeA) and salicylic acid (SA) are bio-regulators widely applied on either pre- or post-harvest to extend the shelf life and maintain fruit quality during storage. In this investigation, the possibility of both pre-harvest (7 days before harvesting) via spraying and post-harvest (immediately after harvesting) evaluated by dipping on cantaloupe fruit by either MJeA (3 mM) or SA (3 mM) separately; in combination with MJeA/SA (1.5/1.5 mM/mM) for 30 s. These fruits were kept at 24±0.5 oC for 28 days of storage. In 7 day-interval, fruits were sampled to verify firmness, weight loss, decay rate, total soluble solid, carotenoid, vitamin C, total phenolic content, total flavonoid content. Results revealed that there was a significant difference in quality attributes between the treated samples and the control ones. However, there was no significant difference in quality attributes on either pre-harvest or post-harvest treatments by MeJA and SA reagents. Incorporation of MJeA/SA (1.5/1.5 mM/mM) by either pre-harvest or post-harvest maintained the most firmness (52.10±0.11 N or 52.37±0.08 N), total soluble solid (18.08±0.05 oBrix or 18.15±0.04 oBrix), carotenoid (46.97±0.02 µg/100 g or 47.10±0.03 µg/100 g), vitamin C (26.04±0.02 mg/100 g or 26.17±0.02 mg/100 g), total phenolic content (117.86±0.05 mg GAE/100 g or 119.75±0.09 mg GAE/100 g), total flavonoid content (84.04±0.02 mg QE/100 g or 84.20±0.02 mg QE/100 g) as well as the least weight loss (3.74±0.01% or 3.66±0.03%) and decay rate (1.42±0.01% or 1.26±0.03%) at the end of 28 days of storage. The synergistic effect of MeJA and SA would be a promising alternative to preserve cantaloupe fruit quality with a long shelf life.


Agrotecnia ◽  
2021 ◽  
pp. 56
Author(s):  
Ramiro I. Monteros Solito ◽  
Eda L. Avico ◽  
Mauro M. F. J. Shindoi ◽  
Pamela C. Sarco

El objetivo de este trabajo fue evaluar el comportamiento de tres cultivares de melón tipo Orange Honey Dew bajo invernadero. Estos fueron cv Silver 1, cv Silver 2 y cv Silver 3 de American Seeds® . Se trasplantó a los 30 días después de la siembra cuando alcanzaron a tener tres hojas verdaderas. La conducción del cultivo fue vertical y sin poda de las guías. Se registraron los días posteriores de trasplante del comienzo y fin de cosecha por cultivar. A cosecha se midió: kg planta-1 , peso promedio de frutos, número de frutos planta-1 , Sólidos Solubles Totales y diámetro de los frutos; se calculó el rendimiento total en tn.ha-1 . El período de trasplante a cosecha para los tres cultivares fue de 128 días desde el trasplante. No hubo diferencias significativas entre los cultivares en las variables estudiadas. Todos los cultivares registraron pesos mínimos del fruto por arriba de 0,6 kg considerados comerciales y el rendimiento estuvo en el rango de 55,3-66 tn ha-1 .Por lo que el cultivo de melón bajo invernadero ofrece una alternativa para el sistema de hortícola diversificado de la zona del Este del Chaco.


Author(s):  
Acep Atma Wijaya Acep Atma Wijaya

Melon (Cucumis melo L.) contains various important vitamins and minerals, while melon consumption in Indonesia is still far below the standard. The increase in melon production every year has not met the needs of melons. Intensification of acid dry land is one of the efforts to increase melon production, because of the vast potential of the land, but it is necessary to improve the soil properties. The purpose of this study was to test the formulations on the growth and yield of melon plants on acid dry land. The study was conducted in a greenhouse using a non-factorial Randomized Block Design (RBD), with 8 treatments, namely: (A) without Lime + Phonska NPK Fertilizer (100%); (B) without Lime + Phonska NPK Fertilizer + Cow Manure (50%:100%); (C) without Lime + Phonska Npk Fertilizer + Petrobio Fertilizer (50%:100%); (D) without Lime + Phonska NPK Fertilizer + Cattle Fertilizer + Petrobio Fertilizer (50%:50%:50%); (E) with Lime + Phonska NPK Fertilizer (100%); (F) with Lime + Phonska Npk Fertilizer + Cow Manure (50%:100%); (G) with Lime + Phonska Npk Fertilizer + Petrobio Fertilizer (50%:100%); (H) with Lime + Phonska Npk Fertilizer + Cow Manure + Petrobio Fertilizer (50%:50%:50%) with 4 replications. Data analysis used Duncan's Multiple Range Test. The results showed that the fertilizer formulation with additional lime had a significant effect on fruit weight, fruit diameter, and fruit harvest age. Fertilization formulation without the need for high doses of organic fertilizer to achieve optimal yields.


2021 ◽  
Vol 1 (1) ◽  
pp. 17-24
Author(s):  
Muhammad Nasrul Hazzeem Ab Rauf ◽  
Shafeeqa Shahruddin

Rockmelon (Cucumis melo L.) belongs to the Cucurbitaceae family, which can adapt to various soil and climate areas, especially in Malaysia. The production of rockmelon in Malaysia has highly declined, and for this reason, farmers have opted to use the concept of soilless cultivation due to it benefits accrued from soilless media such as cocopeat, perlite, and burnt rice husk. The study was carried out to determine the effect of different growing media on the physical morphology of rockmelon seedlings. This experiment was set up using RCBD arrangements with four replications. Different growing media used were: (i) 100% Black Soil (BS), (ii) 75% cocopeat + 15% burnt rice husk + 10% perlite (M1) and (iii) 75% cocopeat + 20% burnt rice husk + 5% perlite (M2). The parameters measured were plant height, number of leaves and total leaves area, and stem girth. The data were collected within two weeks after transplanting. The parameters measured were subjected to ANOVA and LSD was applied to compare means. In this study, rockmelon seedlings treated on BS showed significantly (P<0.001) the highest plant height, number of leaves per plant, and total leaves area and stem girth. Seedlings on soilless M1, however, grew in slightly good conditions, as it showed the insignificantly higher values on morphological parameters measured. Thus, BS is still suitable for better use of media for 15 days old rockmelon seedlings (after transplanting). It gives the optimum conditions for adapting seedlings to the new exposure environment.


2021 ◽  
Vol 1 (1) ◽  
pp. 486-493
Author(s):  
Bambang Supriyanta ◽  
Frans Richard Kodong ◽  
Indah Widowati ◽  
Farida Ariefa Siswanto

Melon (Cucumis melo L.) is a horticultural commodity that has high economic value. The sweet taste, thick flesh, crunchy texture and high quality are the reasons people are interested in melon. The increase in melon productivity can be supported by the use of superior seeds and cultivation with a hydroponic system. The purpose of this research were to obtain premium melon with high quality which are characterized by sweetness levels above 15 brix, attractive skin and flesh color, high vitamin C content, and fruit flesh thickness. The study was conducted in March to July 2021 in greenhouse CV. Agroniaga. This study used a Completely Randomized Design (CRD) with 8 treatments: N1 (Formulation 1), N2 (Formulation 2), N3 (Formulation 3), N4 (Formulation 4), N5 (Formulation 5), N6 (Control 1 AB mix Nutriponic ), N7 (Control 2 AB mix Goodplant), and N8 (Control 3 General). Quantitative data were analyzed by analysis of variance at the 5% level. If there is a significant difference between treatments, the further test is continued with the Duncan multiple range test at a significance level of 5%. Qualitative observation data will be analyzed with descriptive statistics. Result of this research showed that N3 formula is the best to increase both harvest and quality of fruit.


2021 ◽  
Vol 86 (6) ◽  
pp. 674-681
Author(s):  
Xinyang Xu ◽  
◽  
Jia Shen ◽  
Yuejian Zhang ◽  
Xiaowei Niu ◽  
...  

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