sunshine leaf
1.In 3 years in which beginning date of 10℃ was early,the accumulated temperature was high,sunshine was sufficient,average growth period of apple began more than 4d earlier,leaf unfolding prime and blossom telophase began 6 to 8 d earlier,every growth period in the most early year 2004 was 13 d earlier than the latest year 1993,especially the bud opening and blossoms telophase were 21 to 25 d earlier.
