A scion is the shoot or other selected plant material joined to a rootstock during grafting. For mangoes, it carries the identity of the cultivar intended to form the upper tree and produce fruit. Scion health, maturity, freshness, and correct labeling matter as much as the cutting technique. Collect only from suitable, identified trees, protect material from drying, and do not assume that a vigorous-looking shoot is free of every transmissible problem.
Seed viability is the capacity of a seed to remain alive and potentially germinate under suitable conditions. A mango stone may look intact even when the embryo inside has been injured, dried excessively, or decayed. Freshness, handling, and storage history therefore matter when selecting seed. Viability is not the same as guaranteed emergence: an alive seed can still fail under poor planting conditions. It also says nothing about whether the resulting tree will reproduce the parent cultivar's fruit.
Self-compatibility is the ability of a plant's own pollen, or pollen from the same genotype, to contribute to successful fertilization. Many mango cultivars can set fruit without a different cultivar nearby, but actual cropping also depends on flower health, weather, pollinators, and tree condition. It is not a guarantee that every solitary tree will crop heavily. A second tree cannot correct poor drainage, damaged flowers, or an unsuitable climate merely by being present in the same yard.
Sensory evaluation is systematic assessment using human senses, including aroma, taste, texture, and appearance. For mango comparisons, sample identity, ripeness, serving conditions, and the order of tasting can affect the result. Clear notes distinguish a preference from a measurable claim about every fruit of a cultivar. Comparing several sound samples is more informative than judging an entire variety from one bruised or underripe mango, and a panel's favorite need not be the best tree for every grower's climate.
Shelf life is the useful period during which a harvested mango retains acceptable quality under stated conditions. It depends on harvest maturity, cultivar, temperature, humidity, injuries, and decay, rather than being one fixed number of days. A fruit can still look attractive while its flavor or texture has deteriorated. Store and handle batches consistently, inspect them regularly, and use the most advanced fruit first. A shelf-life estimate is not a guarantee that visibly moldy or fermented fruit is safe to eat.
Shoulders are the upper curves of a mango near the stem attachment. Their fullness can be one useful sign of fruit development, particularly when compared with other fruit of the same cultivar. Raised shoulders alone do not prove that a mango is eating-ripe or ready to harvest, because natural shape varies between varieties. Combine shape with known development time, internal maturity observations where available, and the expected behavior of that tree rather than relying on a single photograph or universal rule.
Spongy tissue is an internal mango quality disorder in which part of the flesh develops an abnormal, often pale or corky texture instead of normal ripening. It may be hidden beneath a reasonably normal peel. The term describes the tissue condition and is not proof of a particular pathogen or a single cause in every cultivar. Assess maturity, temperature history, and the distribution of affected fruit, and avoid presenting extra fertilizer or an unverified spray as a guaranteed cure.