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Seedless Lime

Seedless Lime (Citrus sps.)

Citrus is one of the most widespread fruit crops consumed throughout the globe with high economic and medicinal values. Citrus is an important genus of evergreen aromatic small trees, mostly spines, and having fruits called hespiridium. Among the citrus fruits of commercial value, sweet orange (Citrus sinensis L. Osbeck), mandarin (C. reticulate Blanco) and sour orange (C. auranticum L.) contribute approximately 80 % of the world citrus fruit production (FAOSTAT 2010). Other commercially important fruits are lime (C. aurantifolia Swingle), lemon (C. limon Burm f.), and pummelo (C. grandis L. Osbeck), but they are grown on relatively smaller scales.Eastern Asia, mainly the south-east Asia is considered to be the centre of origin of Citrus, in this region, still many citrus types are still found in their wild state. In India, citrus is grown in many states, but the states of Andhra Pradesh and Maharashtra have the largest production share.

  • Seedless lime is a small evergreen tree. It is an edible variety which produces oval-shaped juicy fruits.
  • This is seedless variety.
  • This Lime tree gives fruits throughout the year.
  • Production Capacity of this variety is better than others.
  • This Variety has longest shelf life.
  • This Variety is Better Priced.
  • In comparison to other varieties fruits of this variety are bigger & more attractive.
  • These fruit trees are found loaded with cluster of fruits.
Why Seedless lime is better than other varieties ?
  • The fruit size of seedless lemon is 70-90 gms while other varieties’ fruit is 50-70 gms
  • Accommodate 400 seedless lemon plants per acre while 200 plants of other varieties per acre. The planting distance of seedless lemon is 12x8 SFT.
  • This variety gives yield throughout the year while others give twice in a year.
  • The fruiting time for this variety begins in a first year only while for others begin at fifth year.
  • The production of seedless fruit per plant in the 1st year 15 -20kg, in the 2nd year is 30-40 kg and in the 3rd year is 70-100 kg under good production management
  • The annual production of this variety is 30-45 ton/acre at 5th year while the annual production of other varieties is 10-12 ton / acre at 5th year.
  • The life of seedless tree is 20 years while other varieties trees’ life is around 15 years
  • Citric acid is almost double for seedless lemon
Tissue Culture Technology

Citrus can be propagated by both sexual and asexual methods; generally, rootstocks are propagated through seeds. Conventional vegetative propagation of citrus plants is time-consuming and mainly dependent on season and availability of plant material; which restricts the faster adoption and replacement of new varieties. Seeds of most citrus species are polyembryonic and thus nucellar seedlings are used both for raising uniform rootstock as well as for direct planting.

It also helps to raise healthy plants as citrus viruses are not transmitted through seeds, however, the same technique cannot be exploited for seedless genotypes.Axillary bud proliferation is widely practiced for in vitro propagation of this seedless lime because it ensures maximum genetic uniformity of the resulting plants.Rapid plant multiplication can be achieved through axillary enhancement.

Soil : This variety is appropriate to all type of soils. But fruits flourish well on soils with a good drainage. The pH of the soil is 5 to 8.

Climate :The sub-tropical climate is the best suited for citrus growth and development. Dry and arid conditions coupled with well defined summer having low rainfall are most favorable for the growth of the crop.

Planting : The distance between two plantsis 13.5 Χ 13.5 Sq.ft (4.5 x 4.5Sq.m). The best season of planting is June to September. With good irrigation system, planting may be done throughout the year.

Irrigation : Citrus requires abundant water in the first year of planting. Irrigation improves the plant growth, flowering and fruiting size. Quantity and frequency of water depends on soil texture and growth stage.

Trimming and pruning : In order to allow the growth of strong stem, all the shoots in the first 40-50 cm from ground level developed in the early stage should be removed. Branched should be distributed to all sides. The bearing trees requires little pruning. All diseased, injured and drooping branches should be removed periodically for initiating new growth.

Nutritional Requirements : These plants require manures in three equal doses per year. Depending on the soil, age and growth of trees, the dose may vary.

Flowering and Fruiting Time :If flowering time is January, the fruiting time is July to September. 60% of Year production comes in this period. If flowering time is May to June, the fruiting time is October – January. 30% of Year Production comes in this period. If flowering time is October – November, the fruiting time is February – May. 10% of Year Production comes in this period.

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