Gibberellin: Spraying 10mg/L gibberellin at the young fruit stage of loquat can improve the fruit setting rate.
Medicine for promote loquat fruit development
1, propionyl brassinolide: Spraying 0.003% propionyl brassinolide water solution 3000 times during the development of young fruit of Luoyang green loquat can increase the growth of single fruit and improve the fruit quality.
2. Spraying 1500mg/L ethephon and 3000 times bone glue 3-4 weeks before loquat ripening can prevent loquat from cracking.
3. Spraying 500~ 1000mg/L ethephon 15 five days before loquat natural ripening can make loquat mature earlier.