The bitter taste of cucumber is caused by a substance called cucurbitin (bitter element), which not only exists in the plant but also in the fruit.
The content of the different parts of the same fruit is different, generally the bitterness of the fruit stem part is thick, and the top part of the fruit is bitter or not bitter. Cucumber varieties, growth conditions, plant nutritional status, vigor and strength, all affect the occurrence of cucumber bitterness.
Excessive or insufficient nitrogen in the soil, lack of organic fertilizer, low or high temperature, insufficient sunlight, malnutrition, soil drought, water shortage, pests and diseases, and plant diseases can all induce bitterness. Form and accumulate. Therefore, in the cultivation should be managed to make the vegetative growth and reproductive growth of cucumber, aboveground and underground growth balance, so as to prevent the occurrence of bitter cucumber.
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