Relevant bibliographies by topics / Precocious fruiting

Academic literature on the topic 'Precocious fruiting'

Author: Grafiati
Published: 10 December 2022
Last updated: 19 February 2023

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Journal articles on the topic "Precocious fruiting"

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Piskunova, T. M., and E. Kh Sukhanberdina. "Evaluation of the cucumber gene pool of the VIR collection on precocity and fruiting period under the conditions of the Lower Volga region." Vegetable crops of Russia, no. 1 (March 19, 2020): 16–21. http://dx.doi.org/10.18619/2072-9146-2020-1-16-21.

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Relevance. In connection with the annual epiphytotic development of peronosporosis (Pseudoperonospora cubensis (Berk. and Curt.) Rostow. on cucumber and the absence varieties immune to this disease, it is advisable to create and cultivate precocious varieties and hybrids that can form the main part of the yield before the period of mass spread of the disease. In order to rationally use the cucumber gene pool long-term research of the world collection is carried out to search of sources of yield, precocity and resistance to peronosporosis.Material and methods. The studies were conducted at Volgograd Experimental Station of VIR (Volgograd province). The research material was 370 cucumber accessions from the world collection of VIR. Evaluation of accessions on a complex of signs was carried out according to methodical guidelines of VIR.Results and conclusions. Long-term study of cucumber accessions of various geographical origin showed that the duration of the interphase period "mass seedlings - the first harvest of fruits" did not differ significantly in samples of different geographical groups, most of them belong to the early ripening. It was found that the duration of the fruiting period depended on the degree of resistance of plants to peronosporosis: the higher the resistance of the variety or hybrid, the longer the fruiting period. A number of precocious, yielding hybrids and varieties, as well as samples with a long period of fruiting and relative resistance to peronosporosis, were allocated. The perspective material for the decision of separate problems in breeding of a cucumber is recommended.
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Butler, Gillian M. "Induction of precocious fruiting by a diffusible factor in the polypore Phellinus contiguus." Mycological Research 99, no. 3 (March 1995): 325–29. http://dx.doi.org/10.1016/s0953-7562(09)80907-6.

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Schupp, James R. "GROWTH AND FRUITING OF `DELICIOUS' APPLE ON CLONAL ROOTSTOCKS IN THE 1984 NC-140 PLANTING IN MAINE." HortScience 26, no. 5 (May 1991): 481e—481. http://dx.doi.org/10.21273/hortsci.26.5.481e.

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In 1984 trees of `Starkspur Supreme Delicious' apple (Malus domestica Borkh) on 16 rootstocks were planted at 30 sites in North America according to guidelines established for cooperative testing by the North Central Regional Cooperative Project (NC-140). Tree loss and root suckering in the Maine planting have been low, similar to that of other sites. Tree size in Maine is smallest amoung all sites after seven seasons. Trees on Budagovsky 9 (B.9) rootstock were the most precocious, producing significantly higher flower numbers and yield in the third year. Other precocious root-stocks in this planting included C.6, M.26EMLA, M.7EMLA and P.1. After seven years, B.9, C.6 and M.26EMLA were the most productive amoung the dwarf trees, and consequently are the most efficient. P.1 and M.7EMLA were the most productive amoung the more vigorous stocks. This trial will be conducted for 3 more seasons, however it appears that B.9, C.6 and P.1 may have potential as rootstocks for commercial apple orchards in New England.
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Schupp, James R. "GROWTH AND FRUITING OF 'DELICIOUS' APPLE ON CLONAL ROOTSTOCKS IN THE 1984 NC-140 PLANTING IN MAINE." HortScience 27, no. 11 (November 1992): 1162e—1162. http://dx.doi.org/10.21273/hortsci.27.11.1162e.

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In 1984 trees of `Starkspur Supreme Delicious' apple (Malus domestica, Borkh) on 16 rootstocks were planted at 32 sites In Morth America according to guidelines established for cooperative testing by the North Central Regional Cooperative Project (NC--140). Tree loss and root suckering in the Maine planting have been low, similar to that of other sites. Tree size in Maine is smallest amoung all sites after eight seasons. Trees on Budagovsky 9 (B.9) rootstock were the most precocious, producing significantly higher flower numbers and yield in the third year. Other precocious rootstocks in this planting included C.6, M.26EMLA, M.7EMLA and P.l. After eight years, B.9, C.6 and M.26EMLA were the most productive amoung the dwarf trees. P.l and M.7EMLA were the most productive amoung the more vigorous stocks. Heavy croping trees on dwarf rootstocks leaned more due to hurricane winds than larger better anchored trees which lost a larger proportion of their crop. B.9, C.6 and P.1 may have potential as rootstocks for commercial apple orchards in New England.
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Pliszko, Artur, and Artur Górecki. "First observation of true vivipary in Grindelia squarrosa (Asteraceae)." Biologia 76, no. 4 (February 19, 2021): 1147–51. http://dx.doi.org/10.1007/s11756-021-00713-0.

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AbstractIn flowering plants, true vivipary is defined as the precocious seed germination and the growth of the embryo to a considerable size before dispersal. True vivipary occurs mostly in mangroves and is very rare in Asteraceae. In this study, we present the first observation of true vivipary in Grindelia squarrosa, a North American member of Asteraceae, from a new locality in Poland. We examined 50 fruiting capitula which were collected in October 2020 in Brzegi, southern Poland. True vivipary occurred in 90% of capitula; however, the number of germinated seeds was low (3.42 on average) and very variable (CV = 106%). Seed germination was found only in fruits developed from disc flowers. We presumed that precocious seed germination in G. squarrosa was induced by prolonged rainfall. The importance of true vivipary in naturalization and invasion of G. squarrosa as well as the involvement of viviparous seedlings in autochory should be further explored.
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Wheaton, T. A., W. S. Castle, J. D. Whitney, and D. P. H. Tucker. "Performance of Citrus Scion Cultivars and Rootstock in a High-density Planting." HortScience 26, no. 7 (July 1991): 837–40. http://dx.doi.org/10.21273/hortsci.26.7.837.

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`Hamlin' and `Valencia' oranges [Citrus sinensis (L.) Osb.], `Murcott' tangor (C. reticulata Blanco × C. sinensis), and `Redblush' grapefruit (C. paradisi Macf.) on 15 rootstock and own-rooted cuttings were planted at a 1.5 × 3.3-m spacing providing a density of 2020 trees/ha. Growth rate, productivity, and fruit quality varied among the scion and stock combinations. Combinations of moderate vigor and precocious fruiting performed better than very vigorous or dwarfing materials. Several freezes slowed canopy development and delayed production. Most trees had filled their allocated canopy space 7 years after planting. At that age, the orange trees yielded 23 to 75 t·ha-1. Scion and stock combinations with desirable vigor and fruiting characteristics were satisfactory in this high-density planting. However, there appears to be little advantage of high tree density under Florida conditions, and moderate densities of fewer than 1000 trees/ha may be preferable.
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Walsh, Christopher S., Arthur H. Thompson, and Richard H. Zimmerman. "A PRELIMINARY COMPARISON OF `GALA' APPLE TREES ON A RANGE OF SIZE-CONTROLLING ROOTSTOCKS." HortScience 25, no. 9 (September 1990): 1103e—1103. http://dx.doi.org/10.21273/hortsci.25.9.1103e.

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`Gala' apples are increasing in worldwide popularity. Despite this, little information on the cultivars vigor, precocity, or interaction with size-controlling rootstock is available. In 1985, a factorial planting was set to study these variables. `Gala' and `Golden Delicious' trees were found similar in precocity. Cumulative yields were about 20 kg per tree after the fifth leaf. `McIntosh' and `Delicious' trees were less precocious. `Gala' trees were also quite vigorous. Tree size and yield efficiency data will be presented, comparing `Gala' with other cultivars budded onto M 7a, MM 111, or propagated in tissue culture as scion-rooted plants. Tree management techniques have been identified that decrease fruit size. Trees budded onto precocious rootstock, and fruited heavily on one-year wood produce small-sized fruit. This tendency is pronounced on trees fruiting in the second leaf, or on older trees damaged by late-spring freezes that reduce the proportion of crop borne on spurs.
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Mehlenbacher, Shawn A., and David C. Smith. "Effect of Spacing and Sucker Removal on Precocity of Hazelnut Seedlings." Journal of the American Society for Horticultural Science 117, no. 3 (May 1992): 523–26. http://dx.doi.org/10.21273/jashs.117.3.523.

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The effect of parentage, spacing, and sucker removal on precocity of hazelnut (Corylus avellana L.) seedlings was investigated. Wider spacing (1.2 vs. 0.6 m) within the row doubled the number of nuts per seedling in the 5th year but had no effect on nut count in the 3rd or 4th year, nor did it affect the percentage of seedlings bearing nuts in any of the three years. Differences among the four progenies were highly significant for number of clusters, number of nuts, and percentage of seedlings bearing nuts in all years and for number of years to first fruiting. The progeny `Barcelona' × OSU 55.097 had the most bearing seedlings in, the 3rd year but was outperformed by `Casina' × OSU 55.129 in the 4th and 5th years. Number of years to first fruiting varied from 4.3 for `Casina' × OSU 55.129 to 5.2 for `Tombul' × `Tonda di Giffoni'. Sucker removal increased both the percentage of seedlings bearing nuts and the number of nuts per seedlings, but the difference was not significant until the 5th year. Sucker removal reduced the length of the juvenile phase by 3 months. The use of precocious parents was more effective than sucker removal in shortening the juvenile period, while sucker removal and wide spacing within seedling rows increased the number of nuts produced by seedlings in the 5th year. Selection of seedlings for early initiation of bearing will shorten the breeding cycle, and the resulting new cultivars will be precocious when planted in commercial orchards.
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Lechowicz, Martin J. "Seasonality of flowering and fruiting in temperate forest trees." Canadian Journal of Botany 73, no. 2 (February 1, 1995): 175–82. http://dx.doi.org/10.1139/b95-021.

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The phenology of leaf presence and photosynthetic activity together set a potential limit on tree productivity in a seasonal climate; similarly, the seasonal timing of flowering and fruiting can decide tree reproductive success. The capacity for long-term storage of photosynthate appears to override any necessary functional linkage between these two critical aspects of tree phenology. Foliar and reproductive phenology in broadleaf deciduous trees of the temperate zone are only weakly coupled within a growing season, especially in precocious flowering trees that mature their fruits in early summer. In species that fruit in late summer and fall, leaf emergence and flowering can be entrained by shared responses to the progressive warming of early spring but with only limited effect on the timing of fruit maturation. The timing of foliar senescence and fruit maturation is correlated only in fall-fruiting trees but as a common response to fall climate rather than the outcome of foliar retranslocation of resources to developing fruits. The possibility exists that global climate change may disrupt these patterns of foliar and reproductive phenology, but the magnitude of the effect will depend on the poorly studied balance of thermal versus photoperiodic cues for phenological events. Key words: phenology, leaf senescence, bud burst, seed dispersal, global climate change.
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10

Scott, C. H. "THE EFFECT OF TWO PLANT GROWTH REGULATORS ON THE INHIBITION OF PRECOCIOUS FRUITING IN PINEAPPLE." Acta Horticulturae, no. 334 (October 1993): 77–82. http://dx.doi.org/10.17660/actahortic.1993.334.8.

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Dissertations / Theses on the topic "Precocious fruiting"

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(13134026), Colin H. Scott. "The effect of two plant growth regulators on the inhibition of precocious fruiting in pineapple Ananas Comosus L. (Merr.)." Thesis, 1996. https://figshare.com/articles/thesis/The_effect_of_two_plant_growth_regulators_on_the_inhibition_of_precocious_fruiting_in_pineapple_Ananas_Comosus_L_Merr_/20380026.

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 The favourable summer and autumn climatic conditions of the Capricorn coast region in central Queensland can accelerate the growth rate of pineapple first ratoon suckers from a Summer plant crop to such a degree that the incidence of precocious fruiting for the following summer can be as high as 50 - 70%. This breakdown in crop control can seriously affect farm management and returns through inefficient harvesting and substantial yield losses caused by sunburn and overripe fruit. 2-(3-chlorophenoxy) propionic acid (Fruitone CPA) or paclobutrazol (Cultar) were applied as foliar sprays at various rates, application volumes and timings in an attempt to limit sucker growth rate to a degree that precocious flowering was inhibited. In a series of five trials over a period of four years, it was found that the seasonal timing of Fruitone CPA applications was a critical factor. Correctly timed Fruitone CPA applications reduced the incidence of precocious Summer fruit from an average 35.3% to 8.5%, while Cultar was less effective with a reduction from an average 46.1% to 29.0%. It was concluded that Fruitone CPA applied at a maximum of 160 ppin active constituent in 2,000 L/ha in late March was the most effective treatment.  

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