The purpose of the pepper hanging branch is to prevent the branches from falling and breaking, thereby increasing the yield and improving the quality. For this farming operation, many vegetable farmers are very casual in their schedule, and they think that they can do it all the time. In the production practice, the author found that the peppers were hung after 3 pm.
After a night of respiration, the peppers have a higher concentration of carbon dioxide in the shed, and the current light intensity and temperature are suitable, so the morning is the main time for photosynthesis of pepper leaves, and the photosynthesis can account for the total amount of photosynthesis. 70%~80%. If the hanging branches are carried out in the morning, the pepper leaves will change the original angle, so that the light seeing area is reduced, thus affecting the photosynthesis of the leaves, and the leaves are twisted back to the original angle for a long time, and the best photosynthesis is missed. Time is not conducive to the increase in pepper production.
After 3 pm, with the decrease of light intensity, the increase of ventilation and the decrease of carbon dioxide concentration, the photosynthetic rate of pepper leaves decreased, and the light and products were less. After 3 o'clock, the effect of hanging branches on photosynthesis of pepper was less, and The petioles of the pepper leaves can be turned back to their original angles in the afternoon and evening, without affecting the photosynthesis of the leaves the next day. At the same time, the pepper branches are softer than the morning after 3 pm, and it is not easy to injure the branches when hanging. When hanging the sling, the sling can be placed 25 cm away from the growth point of the pepper, so that the growth point of the pepper grows obliquely upward instead of vertical, so that the leaves do not block each other, which is beneficial to increase the light seeing area of ​​the blade. Promote the vegetative growth of peppers and increase yield.
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