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Презентация на тему Why do leaves fall in autumn

LIGHT DURATION THE RELATIVE LENGTH AT DAY AND NIGHT ARE CALLED AS PHOTOPERIOD. THE RESPONSE OF PLANTS TO THE PHOTOPERIOD EXPRESSED TO THE FORM OF FLOWENNG IS CALLED AS PHOTOPENODISM. PHOTOPERIODISM ALSO AFLECTS SEED AND FRUIT
WHY DO LEAVES FALL IN AUTUMN???? LIGHT DURATION THE RELATIVE LENGTH AT DAY AND NIGHT ARE CALLED AS ACCORDING TO THE DURATION OF LIGHT PLANTS CAN BE CATEGORIZED INTO THREE SHORT DAY PLANTSEXAMPLES: CHRYSANTHEMUMS, RICE, CACTUS. LONG DAY PLANTSEXAMPLE: DILL, SPINACH, CARNAUONS. DAY NEUTRAL PLANTSEXAMPLE: TOMATOES, SUNFLOWER, PEA PLANTS.
Слайды презентации

Слайд 2 LIGHT DURATION
THE RELATIVE LENGTH AT DAY AND

LIGHT DURATION THE RELATIVE LENGTH AT DAY AND NIGHT ARE CALLED

NIGHT ARE CALLED AS PHOTOPERIOD.
THE RESPONSE OF PLANTS

TO THE PHOTOPERIOD EXPRESSED TO THE FORM OF FLOWENNG IS CALLED AS PHOTOPENODISM. PHOTOPERIODISM ALSO AFLECTS SEED AND FRUIT PRODUCTION.

Слайд 3 ACCORDING TO THE DURATION OF LIGHT PLANTS CAN

ACCORDING TO THE DURATION OF LIGHT PLANTS CAN BE CATEGORIZED INTO

BE CATEGORIZED INTO THREE GROUPS:
SHORT DAY PLANTS
LONG DAY

PLANTS
DAY NEUTRAL PLANTS

Слайд 4 SHORT DAY PLANTS
EXAMPLES: CHRYSANTHEMUMS, RICE, CACTUS.

SHORT DAY PLANTSEXAMPLES: CHRYSANTHEMUMS, RICE, CACTUS.

Слайд 5 LONG DAY PLANTS
EXAMPLE: DILL, SPINACH, CARNAUONS.

LONG DAY PLANTSEXAMPLE: DILL, SPINACH, CARNAUONS.

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