椰子花果管理技术规程DB46／T 452-2017.pdf

ICS 65.020.01 B 05 DB46 DB 46/T 4522017 Technical specification for control of coconut flower and fruit 2017-12-20 2018-02-20 DB46/T 4522017 GB/T 1.1-2009 DB46/T 4522017 1 1 2 DB46/T 12 3 3.1 spathe 3.2 male spike(spikelet)3.3 spikes 4 4.1 2 d 3 d 4 cm 5 cm 4.2 DB46/T 4522017 2 4.3 35 38 50%60%24 h 4.4 2 8 50%4.5 4.6 4.7 8 5 4.8 1:9 1 2 3 5 5.1 5.2 5.3 6 6.1 6.2 1 2 12 16 6.3 DB46/T 4522017 3 6.4 5 9 9 16 7 7.1 7.2 3 4 50%600 25%800 20%200 300 8 DB46/T 12 9 DB46/T 12 DB46/T 4522017 4 A A A A.1 18 d 22 d 15 d 24 d A.2 5 d 7 d 3 d 10 d 14 d 2 d A.3 200 300 10 _