Cotton boll development

Cotton boll development

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Credit: HARRIS BARNES JR./AGSTOCKUSA/SCIENCE PHOTO LIBRARY

Caption: Cotton boll development. Stages in the development of a boll (white) of a cotton plant (Gossypium hirsutum). At upper right is a fruiting bud or square, which first appears 35-40 days after emergence of the cotton plant. The square opens into a blossom (yellow) 20-25 days later. After fertilisation of the flower, a boll (seed capsule) begins to develop from the ovary. It reaches full size after about 25 days, and opens after another 30 days. The white cotton fibres (lint) are of great economic importance as a raw material in the production of cloth.

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Keywords: agricultural, agriculture, blossom, botanical, botany, closed, cotton, crop, cultivated, cultivation, developing, development, developmental, farming, flower, fruiting bud, gossypium hirsutum, immature, land use, mature boll, mechanised, mechanized, open, plant, reproduction, reproductive, soil, square, stage, stages

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