Bacterial wilt of tobacco

1969~1969

Angular leaf spot of persimmon

1969~1969

Handwritten water plant working experience

1979~1981

Rust of soybean

1969~1969

Wong Tsoo's letter from General Zhou Zhirou

1946

Black disease of banana

1969~1969

Hu Shih's letter from Wong Tsoo

1954

Rust of pear

1969~1969

Letter from Chao Nee

1991~1992

Wong Tsoo's letter from Zhu Lin for asking about used bamboo as aircraft material

1946

Wong Tsoo's letter from Ying Min

1948~1965

Blister blight of tea

1969~1969

Gray mold of Lactuca serriola

1969~1969

The beginning of construction and other five courses Handouts

1948~1952

Rust of pear

1969~1969

Powdery mildew of wheat

1969~1969

Anthracnose of sorghum

1969~1969

Mompa of citrus

1969~1969

Blue & green mold of citrus

1969~1969

Rice blast

1969~1969