Trifoliate Orange


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Related to Trifoliate Orange: Poncirus trifoliata

Trifoliate Orange

 

(Poncirus trifoliata), the only species of the plant genus Poncirus of the family Rutaceae. A strongly branched small tree reaching 3 m in height, the trifoliate orange has deciduous trifoliate leaves and strong, sharp axillary thorns. The flowers are bisexual, white, and odorless; they are axillary and appear singly or in pairs. Flowering occurs before the leaves open. The greenish yellow spherical fruits are small, measuring 3–5 cm in diameter. They are many-seeded and have a bitter pulp. The rind is aromatic, slightly pubescent, and quite thick. The juice contains about 5 percent citric acid.

The trifoliate orange grows in North China. In the USSR it is raised in regions where citrus crops are grown as stocks. The plant tolerates brief frosts to – 25°C. Propagation is by seed. The trifoliate orange is used in selective breeding for developing more winter-hardy intergenus and interspecies hybrids of citrus crops.

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Effect of Rhizoglomus intraradices inoculation on root morphology of trifoliate orange seedlings under non-salt (0 mM) and salt stress (150 mM) conditions.
Effect of different fractions of MeOH extracts from roots of bahiagrass (BRE) and millet (MRE) on the AMF (Gigaspora margarita) colonization of trifoliate orange seedlings Fraction of AMF colonization AMF only 65.3 c BRE 0 % 54.5 c BRE 10% 38.5 b BRE 25 % 82.5 d BRE 50 % 41.5 b BRE 100% 18.5 a MRE 0 % 46.2 b MRE 10% 41.2 b MRE 25 % 81.2 d MRE 50 % 38.5 b MRE 100% 16.9 a Means followed by the same letters in columns are not significant different according to Scott-Knott test (P [menor que o igual a] 0.05) Table 3.
Of AMF community colonizing trifoliate orange roots, the majority of clones (54.43%) fell into the GLO1 clade; however, none of the clones could cluster with morphospecies in this clade.
Recently, Wu and his group for the first time extracted EE-GRSP solutions from citrus rhizosphere and applied in different strengths of EE-GRSP solutions into the potted trifoliate orange seedlings and the field-planted Satsuma mandarin (Wu et al., 2015b; Wang et al., 2015b).
(1) CLEO ('Cleopatra' mandarin), CTCZ ('Carrizo' citrange), TSKFL ('Sunki da Florida' mandarin), CTTR ('Troyer' citrange), TSKC (Common 'Sunki' mandarin), CTSW ('Swingle' citrumelo), TR (trifoliate orange), LCR ('Rangpur' lime), LVK ('Volkamer' lemon) and LVA ('Valencia' sweet orange).
Exogenous putrescine, not spermine or spermidine, enhances root mycorrhizal development and plant growth of trifoliate orange (Poncirus trifoliata) seedlings.
Mycorrhizal inoculation markedly increased length, projected area, surface area, volume, branch and cross of the root systems, and the increases were kumquat Greater than red tangerine [?] trifoliate orange Greater than sour orange.
(trifoliate orange), whose population of adults was near the lowest recorded in the study.
Our results do not agree with Stenzel & Neves (2004) who reported that juice yield was the highest for 'Rangpur' lime differing from trifoliate orange. However, it should be noted that all the rootstocks induced juice contents above 42%, which according to Gayet et al.