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Development of colour in red pepper fruits in soilless culture 无土栽培中红椒果实颜色的发育
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511091
Ramón Madrid, F. Navarro, I. Collados, C. Egea, A. Alarcón
{"title":"Development of colour in red pepper fruits in soilless culture","authors":"Ramón Madrid, F. Navarro, I. Collados, C. Egea, A. Alarcón","doi":"10.1080/14620316.1999.11511091","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511091","url":null,"abstract":"SummaryThis study investigated the development of colour and the final quality and minimum maturity for the satisfactory ripening of red pepper (Capsicum annuum L.) fruits (`Americano' and `Fibola' cultivars) on sand and perlite substrates. The extractable colour was evaluated by determining chlorophyll and carotenoid content. The use of the chromatic attributes L*, a* and b* of the tristimulus colour (CIELAB) made it possible to follow the development of reflected colour which takes place during fruit ripening. The mature fruit of `Fibola' turn from green to red more quickly and contain higher levels of carotenoids than those of `Americano'. The a* coordinate, chroma (C*) and the metric saturation (S*) values for `Americano' were higher with sand than perlite substrates, and the contrary was true with `Fibola'. Measurements of surface colour for red paprika pepper fruits were judged to be satisfactory for determining threshold maturity; i.e. minimum maturity for satisfactory ripening when considered 65 d...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"175-180"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511091","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60221220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Storage potential of bulb onions (Allium cepa L.) under high temperatures 洋葱鳞茎在高温下的贮藏潜力
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511092
A. Ramin
{"title":"Storage potential of bulb onions (Allium cepa L.) under high temperatures","authors":"A. Ramin","doi":"10.1080/14620316.1999.11511092","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511092","url":null,"abstract":"SummaryThe effects of constant high temperatures of 25 and 307C in comparison with a low temperature storage regime at 2&C were investigated on storability of two bulb onion (Allium cepa L.) cvs. Texas Early Grano and Dorcheh (an Iranian cultivar) under 65–75% relative humidity for a period of 270 days. In both cultivars, sprouting of onion bulb is inhibited at high storage temperatures as a result of significant reduction in the relative growth rate of sprout leaves within the bulbs, compared with low-temperature storage at 2&C treatments in both cultivars, and onions became nearly dormant. Onion cv. Texas Early Grano maintained marketability at temperatures of 25 and 30&C for periods of three and two months, respectively. During the first 3–4 months of storage at these high temperatures there was no significant change in pH, total soluble solid (TSS) and titratable acidity of the bulbs contents, compared with a low temperature of 2&C for both cultivars. However, over longer periods, rotting and desiccat...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"181-186"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511092","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60221445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
The effect of spectral filters and nitrogen dose on the growth of chrysanthemum (Chrysanthemum morifolium Ramat., cv. Snowdon) 光谱滤光剂和氮素剂量对菊花生长的影响。,简历。斯诺登峰)
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511096
A. M. Khattak, S. Pearson, C. Johnson
{"title":"The effect of spectral filters and nitrogen dose on the growth of chrysanthemum (Chrysanthemum morifolium Ramat., cv. Snowdon)","authors":"A. M. Khattak, S. Pearson, C. Johnson","doi":"10.1080/14620316.1999.11511096","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511096","url":null,"abstract":"SummaryThis study has searched for interactions between the effects of nitrogen dose, applied at one of four levels, 0.316, 1.0, 3.16 and 10 mM, and four different spectral filters on the growth and development of chrysanthemums. The filters used included two controls with different overall transmissions to photosynthetically active radiation (PAR) and two further materials, which selectively filtered either red or far-red light, but with PAR transmission similar to one of the controls. Increasing the nitrogen dose to a maximum of 10 mM from the lowest level led to a four-fold increase in plant dry mass, and a near two-fold increase in plant height. The FR absorbing spectral filters produced significantly shorter plants than both controls (by ca. 10% at final flowering) and for this variable there were no interactions with nitrogen dose. At 10 mM N, the FR-absorbing material also led to an increase in leaf area compared with the R-absorbing material (by 55% after 40.d). However, a significant interaction ...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"206-212"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511096","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60221831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
The effect of defoliation on phenological development and yield in cauliflower 落叶对花椰菜物候发育及产量的影响
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511107
R. Boogaard, K. Kristensen
{"title":"The effect of defoliation on phenological development and yield in cauliflower","authors":"R. Boogaard, K. Kristensen","doi":"10.1080/14620316.1999.11511107","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511107","url":null,"abstract":"SummaryDecision support models used to reduce inputs of pesticides require a precise modelling of the changes in assimilate production and distribution, but also of possible changes in developmental rates due to sub-optimal conditions. Changes in developmental rates, which shorten or prolong the growing time may aggravate or reduce the effects of sub-optimal conditions on yield. Therefore, the effect of defoliation on development of cauliflower was investigated in a number of field experiments. Reduction in curd growth due to defoliation during the curd growth phase was compensated by an increased duration of curd growth. It was estimated that defoliation during curd induction corresponded to an increase in temperature sum requirement for curd induction of 15 to 25 degree days, while defoliation during curd growth increased the temperature sum requirement with 12 to 60 degree days. Measurement of maturity by means of curd specific weight showed that defoliation delayed maturity. This implies that yield lo...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"269-275"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511107","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60222677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Initiation of early summer cauliflowers in response to temperature 初夏花椰菜萌发对温度的响应
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511117
J. R. Fellows, D. Wurr, K. Phelps, R. Reader
{"title":"Initiation of early summer cauliflowers in response to temperature","authors":"J. R. Fellows, D. Wurr, K. Phelps, R. Reader","doi":"10.1080/14620316.1999.11511117","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511117","url":null,"abstract":"SummaryTwo experiments were conducted with the early summer cauliflower cvs Perfection and Gypsy. The first was in controlled environment cabinets with nine temperatures ranging from 6.3 to 22.88C. The second was in the field with three planting dates and plants grown with and without fleece cover. The experiment in controlled environments enabled a model to be developed which predicted changes in apex development through both the juvenile and curd induction phases. Both the end of juvenility and curd initiation were defined in terms of apex diameter. For cv. Perfection these were respectively 0.25 and 0.55.mm while with cv. Gypsy they were respectively 0.27 and 0.51.mm. The number of leaves produced at the end of juvenility was very different in the two experiments. When applied to the field temperatures from planting, the model predicted the end of juvenility early and therefore estimates of curd initiation were inaccurate. However, when the model was started, with the recorded apex diameter exceeding t...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"328-336"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511117","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60223282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
A comparative study of the pericarp of litchi cultivars susceptible and resistant to fruit cracking 荔枝品种果皮易裂与抗裂的比较研究
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511120
Xuming Huang, Huicong Wang, F. Gao, Huibai Huang
{"title":"A comparative study of the pericarp of litchi cultivars susceptible and resistant to fruit cracking","authors":"Xuming Huang, Huicong Wang, F. Gao, Huibai Huang","doi":"10.1080/14620316.1999.11511120","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511120","url":null,"abstract":"SummaryTime-course changes of fruit cracking percentage, mechanical properties of pericarp and contents of cell wall components in litchi pericarp were studied by comparing two litchi cultivars differing in cracking susceptibility. Mechanical strength of the pericarp of crack-resistant cv. Huaizhi was greater than that of cracking-susceptible cv. Nuomici. The resistance of `Huaizhi' was also reflected in higher threshold cracking turgor as well as in higher pericarp tensile strength and extensibility. Correspondingly higher contents of calcium and structural components viz. cellulose, hemicellulose and insoluble pectin were found in the pericarp cell walls of `Huaizhi', which might have materially contributed to its higher pericarp strength and thus cracking resistance as compared with `Nuomici'.","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"23 1","pages":"351-354"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511120","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60223631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 39
An increase in citrus fruit (Kiyomi tangor) abscission induced by ABA is accompanied by an IAA increase in the abscission zone and ethylene production ABA诱导柑桔果实脱落增加的同时，IAA也增加了脱落区和乙烯产量
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511130
H. Okuda
{"title":"An increase in citrus fruit (Kiyomi tangor) abscission induced by ABA is accompanied by an IAA increase in the abscission zone and ethylene production","authors":"H. Okuda","doi":"10.1080/14620316.1999.11511130","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511130","url":null,"abstract":"SummaryChange in IAA concentrations in the peduncle, branch and intervening abscission zone were measured to clarify the involvement of IAA in citrus fruit drop in response to ABA application. Results indicating the importance of an IAA increase in the abscission zone were obtained. One day after application of ABA, the concentration of IAA in the abscission zone showed a temporary increase and then a decrease. The concentration of IAA in the abscission zone was dependent on the concentration of ABA applied. Changes in the production of ethylene, which is involved in the process of abscission and which is induced by IAA, in explants from treated leafy inflorescences, were examined. The fruit-abscission ratios were also investigated in relation to the time required for preparation. Explants sampled 0±1.d after application showed little abscission or ethylene production during the first 24 h incubation. During the next 24 h, almost all the ABA-applied explants abscinded, as did the control, but the former p...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"422-425"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511130","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60224156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Early- and mid-season temperature effects on the growth and composition of satsuma mandarins 季前和季中温度对柑桔生长和成分的影响
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511135
K. Marsh, A. Richardson, E. Macrae
{"title":"Early- and mid-season temperature effects on the growth and composition of satsuma mandarins","authors":"K. Marsh, A. Richardson, E. Macrae","doi":"10.1080/14620316.1999.11511135","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511135","url":null,"abstract":"SummaryThe growth and composition of satsuma mandarin fruit from trees which had been covered by a tunnel house during either stage one (the first ten weeks after anthesis), stage two (10±20 weeks after anthesis) or throughout fruit growth, were compared with those grown under ambient conditions. During each stage temperature was identified as the key factor influencing fruit development and changes to fruit were generally maintained when trees were returned to ambient conditions. Raising maximum air temperatures in the canopy of trees by 2.4.K during stage one increased both fruit growth rates and accumulation of sugars throughout their development. Titratable acidity levels were also increased and quinate levels decreased when trees were warmed during stage one, but these differences did not persist until harvest. Fruit grown under elevated temperatures during stage one had larger pedicels and dorsal vascular bundles, which suggests that temperatures during early fruit development determine the fruits' ...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"443-451"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511135","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60224494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 45
Orchard comparisons of `Cox's Orange Pippin' grown on selections of the apple rootstock M.9 在苹果砧木M.9选种上生长的“考克斯橙皮平”的果园比较
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511145
A. D. Webster, M. Hollands
{"title":"Orchard comparisons of `Cox's Orange Pippin' grown on selections of the apple rootstock M.9","authors":"A. D. Webster, M. Hollands","doi":"10.1080/14620316.1999.11511145","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511145","url":null,"abstract":"SummaryTwenty four selections (clones) of M.9 were compared as rootstocks for the apple cv. Cox's Orange Pippin in three orchard trials planted on similar sites at Horticulture Research International (HRI)-East Malling between 1980 and 1987. Rootstock clone effects on maiden tree quality were inconsistent in two of the trials, and appeared to be associated more with nursery conditions at the time of raising the trees than with the clone of rootstock used. Shoot growth following planting in the orchard was related positively to tree size (maiden tree height and feathering) at the time of planting and no differences in initial tree vigour were attributable to rootstock clone. Tree size differences at maturity were variable between trials, were small (10% to 30%), and in most instances not statistically significant. Nevertheless, the scion weights of trees on the Dutch T.337, the French INRA 71/0 and Lancep (Pajam 1) rootstock clones were 10% to 30% smaller than trees on the EMLA clone when the trials were t...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"513-521"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511145","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60224870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Quality of nectarine cultivars subjected to forced-air heat treatment for Mediterranean fruit fly disinfestation 地中海果蝇强制空气热处理对油桃品种品质的影响
IF 1.9 4区 农林科学
Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI: 10.1080/14620316.1999.11511151
D. Obenland, M. Arpaia, L. Aung
{"title":"Quality of nectarine cultivars subjected to forced-air heat treatment for Mediterranean fruit fly disinfestation","authors":"D. Obenland, M. Arpaia, L. Aung","doi":"10.1080/14620316.1999.11511151","DOIUrl":"https://doi.org/10.1080/14620316.1999.11511151","url":null,"abstract":"SummaryThe postharvest quality of nine early-, mid-, and late-season cultivars of California nectarines was determined following forced-air heat treatment used for quarantine disinfestation of Mediterranean fruit fly. The treatment consisted of heating the nectarines to a seed surface temperature of 47.28C for 2 min over a period of 4.h. Nectarines were evaluated after storage at 08C for 14.d and 208C for 4.d, which simulated shipping and sale of the fruit. Surface appearance, indexed by colour measurements and visual ratings, was generally unchanged by heat treatment and would have had no influence on the marketability of the fruit. A detectable change in the chroma of the internal flesh was shown in a number of cultivars, but was imperceptible when rated by visual evaluation. Heat treated fruit were firmer than unheated fruit, but retained the ability to soften. Only minor differences in soluble solids content and titratable acidity between heat treated and untreated control fruit were detected. It was ...","PeriodicalId":54808,"journal":{"name":"Journal of Horticultural Science & Biotechnology","volume":"74 1","pages":"553-555"},"PeriodicalIF":1.9,"publicationDate":"1999-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14620316.1999.11511151","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60225330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
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