▎ 摘　　要

NOVELTY - Composition comprises graphene oxide nanosheet. USE - The composition is useful for improving crop including Arabidopsis thaliana, wheat, lettuce, tomato, eggplant, spinach, celery, watermelon, strawberry, melon, mango, bananas and oranges, preferably Arabidopsis thaliana, wheat, lettuce, tomato and eggplant by culturing target crop in medium and improving pulp (watermelon, strawberry, melon, mango, banana and orange) quality by injecting composition into target crop (all claimed). ADVANTAGE - The composition improves number of buds of crop, number of flowers, size of fruit and sugar content of fruit.