人じん工こう授じゅ粉ふん

じ

ん

こ

う

じゅ

ふ

ん

Meanings

1

noun

artificial pollination; hand pollination

Refers to the manual transfer of pollen, often in agriculture or horticulture, as opposed to natural pollination by insects or wind.

朝あさ

早はや

く

行おこな

う

の

が

効こう

果か

的てき

です

。

Hand pollination of watermelons is most effective when done early in the morning.

人じん工こう授じゅ粉ふん
Standard kanji spelling; 授粉 means 'pollination'.
人じん工こう受じゅ紛ふん
Variant with 受紛; likely a typographical or non-standard form. The standard is 人工授粉.

受じゅ粉ふん
受粉 is the general term for pollination, while 人工授粉 specifically means artificial or hand pollination.
自し然ぜん受じゅ粉ふん
自然受粉 means natural pollination (by wind, insects, etc.), contrasting with 人工授粉.

Compound of 人工 (じんこう, 'artificial') and 授粉 (じゅふん, 'pollination'). The kanji 授 means 'to give' or 'to bestow', and 粉 means 'powder' (pollen).