Seedlessness in lemon (Citrus lemon) is due to

Seedlessness in lemon (Citrus lemon) is due to Correct Answer Self incompatibility

Seedlessness in lemon (Citrus lemon) is due to Self-incompatibility.
Emasculated unpollinated flowers also developed into seedless fruits, indicating that seedlessness contributes to parthenocarpy. However, gametophytic self-incompatibility has a major role in seedlessness in lemons by blocking fertilization at the bottom of the stigma.
After self-pollination, however, ovules began to abort at 2 weeks post-pollination, with ovules disappearing at 5 weeks, ultimately producing seedless fruits.
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