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Agusti, M.; S. Zaragoza; H. Bleiholder; L. Buhr; H. Hack; R. Klose; R. Stauss (1995). "Escala BBCH para la descripción de los estadios fenológicos del desarrollo de los agrios (Gén. Citrus)".
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In Citrus the term "visible" replaces "unfolded" used for other fruit species. Leaf unfolding takes place precociously in citrus.
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Fruit ripe for consumption; fruit has typical taste and firmness; beginning of senescence and fruit abscission
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Flowers visible, still closed (green bud), borne on single or multiflowered leafy or leafless inflorescences
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Dormancy: leaf and inflorescence buds undifferentiated, closed and covered by green scales
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Sepals open: petal tips visible; flowers with white or purplish petals, still closed
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Fruits about 40% of final size. Dark green fruit: end of physiological fruit drop
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The phenological growth stages and BBCH-identification keys of citrus plants are:
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Fruit ripe for picking; fruit has not yet developed variety-specific colour
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Fruit set; beginning of ovary growth; beginning of fruitlets abscission
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Inflorescence buds swelling: buds closed, light green scales visible
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First leaves separating: green scales slightly open, leaves emerging
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Advanced ripening; increase in intensity of variety-specific colour
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Some fruits slightly yellow: beginning of physiological fruit drop
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Flower petals elongating; sepals covering half corolla (white bud)
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Beginning of shoot growth: axes of developing shoots visible
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Full flowering: 50% of flowers open; first petals falling
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Beginning of senescence and abscission of old leaves
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End of bud swelling: green scales slightly separated
324:Beginning of flowering: about 10% of flowers open
273:Bud burst: scales separated, floral tips visible
305:Most flowers with petals forming a hollow ball
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402:Beginning of fruit colouring (colour-break)
51:introducing citations to additional sources
437:Shoot growth complete; foliage fully green
340:Flowers fading: majority of petals fallen
219:More leaves visible, not yet at full size
16:Scale to describe growth of citrus plants
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41:Relevant discussion may be found on the
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367:Green fruit surrounded by sepal crown
431:9: Senescence, beginning of dormancy
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348:End of flowering: all petals fallen
118:is a classification system used in
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254:Shoots about 90% of final length
246:Shoots about 20% of final length
34:relies largely or entirely on a
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391:Fruits about 90% of final size
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154:0: Sprouting/Bud development
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353:7: Development of fruit
192:Green leaf tips visible
62:"BBCH-scale" citrus
453:Winter dormancy period
184:Beginning of bud burst
396:8: Maturity of fruit
232:3: Shoot development
211:First leaves visible
116:BBCH-scale for citrus
197:1: Leaf development
47:improve this article
316:First flowers open
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310:6: Flowering
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128:citrus plants
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149:Description
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460:References
132:BBCH-scale
130:using the
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103:July 2023
43:talk page
498:Category
120:biology
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