We have controlled Diaphorina citri, and orange yellow dragon disease
I still remember that when I was in my hometown and when the citrus was ripe, It looked like a plump lantern.
China is the earliest country to cultivate citrus in the world. So far, it has a history of more than four thousand years.
"Shangshu Yugong" has "Jubao Orange Pomelo Xigong" records, indicating that in the Xia Yu era (about the 21st century BC), orange, pomelo (orange), orange (lime) cultivation started, and orange was offered to the royal families as tribute.
At the end of the Warring States Period, "Lv's Spring and Autumn Annals" also recorded: "The beauty of the fruit is the orange of Jiangpu, the pomelo of Yunmeng", "Shuhan, Jiangling thousand-tree orange." Almost the same period, Qu Yuan's "Li Sao" also has a chapter of "Ode to oranges". This shows that citrus has been popular in Sichuan, Chongqing, Hubei and Hunan two thousand or three thousand years ago.
However, few people know that such a long history. infinite scenery of the "god fruit", unexpectedly "helpless" time occurred.