The National Institute of Forestry, Agricultural, and Livestock Research (INIFAP) developed Lise, a Mexican lemon that has high yields, better characteristics, and high adaptation to the producing areas in Colima and Michoacán.
According to INIFAP, this new variety was obtained from two selection cycles carried out on a natural variant that did not develop thorns, through natural crosses taking into account the Mexican lemon commercial varieties used in plantations in Colima. Lise has thin skin with a smooth surface. It has darker green leaves than the Colimex lemon variety, contains three to five seeds, has soft pulp, 9 to 12 segments, and produces 44 to 48% of sour juice, INIFAP stated.
The tree blooms several times a year, with greater intensity from January to March, and its flower buds have short petals. Fruit production extends throughout the year and its richest harvests are obtained from May to September, according to the federal agency.
According to INIFAP specialists, annual yields in areas not affected by the Huanglongbing (HLB) pest exceed 35 tons per hectare.
INIFAP specialists recommend, for practical and economic reasons, planting it during the rainy season in clay soils at a distance of 6 by 4 meters, pruning it once a year, removing suckers (vegetative shoots) from the stem every 3 or 4 months, and clearing out the long and slightly branched branches every 6 months to obtain more compact crowns.