The results of these treatments were recorded by checking the ratio of fruits produced per crossed flower when the ovaries were ripe, prior to seed dispersal.
Thereafter, to determine the degree of self-incompatibility, the index of self-incompatibility (ISI) was determined as the proportion of fruits produced by
geitonogamy and by xenogamy (Ruiz-Zapata and Arroyo, 1978). The ISI ranges between 0 (self-incompatibility) and 1 (self-compatibility), albeit it is also possible to obtain values higher than one when fruit set attained by xenogamy is lower than that attained by geitonogamy (Ruiz-Zapata and Arroyo, 1978).
The results of these treatments were recorded by checking the ratio of fruits produced per crossed flower when the ovaries were ripe, prior to seed dispersal.Thereafter, to determine the degree of self-incompatibility, the index of self-incompatibility (ISI) was determined as the proportion of fruits produced bygeitonogamy and by xenogamy (Ruiz-Zapata and Arroyo, 1978). The ISI ranges between 0 (self-incompatibility) and 1 (self-compatibility), albeit it is also possible to obtain values higher than one when fruit set attained by xenogamy is lower than that attained by geitonogamy (Ruiz-Zapata and Arroyo, 1978).
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