A: There are several reasons for inducing the disease, including: first, planting varieties that are prone to hollow fruit; second, partial application of nitrogen fertilizer, excessive stems and leaves; third, root injury, growth and weakness; fourth, The temperature during the flowering period exceeds 35 degrees Celsius, or the light is insufficient, or the water and fertilizer cause insufficient nutrients. Fifth, the plant growth regulator concentration is too large or repeated or unopened flowers, poor pollination and fertilization, undeveloped placenta, lack of seeds And gums; sixth, long-term low temperature, or long time of continuous vaginal discharge, or upper results such as lack of nutrition. The growers can take corresponding measures to prevent them according to these reasons.
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