The current holly stubble pepper has reached the late growth stage, and the garden will be cleared in more than one month. The management points are as follows:
Reasonable temperature control
During the color change period of colored peppers, a higher temperature in the shed is conducive to the color change of the fruit, but the high temperature above 35℃ in summer will not only promote the decomposition of the colored pepper pigments, lead to poor color and lower brightness of the colored peppers, but also affect the flower buds. Differentiation, resulting in flower and fruit drop or deformed fruit in the colored pepper. When the temperature inside the shelter is still high, the sunshade net should be installed to cool down in time.
Adjust the fertilizer for plants not to senile prematurely
Color peppers have a large demand for potassium fertilizer during the fruiting period, and insufficient potassium supply can easily lead to problems such as blackish color, poor gloss, thin skin, and light weight. However, in the later stage of fruiting, the plants begin to age slowly, and the photosynthetic capacity of the leaves gradually declines. Therefore, the fertilization habits should be adjusted in time, and the high-potassium fertilizer should be changed to the high-nitrogen and high-potassium type, which is both swelling and strong. In the late stage of growth, the root system of colored peppers gradually weakens and the ability to absorb fertilizer and water decreases. You should also pay attention to top dressing outside the root. It can be combined with spraying, spraying complete nutrient foliar fertilizer and leaf fertilizer containing iron, calcium, boron and other trace elements, spraying once every 7-10 days to prevent color pepper from affecting the yield and commercial nature of the fruit due to lack of nutrients.
Change "four-stroke pruning" to "three-stroke pruning"
For the pruning of colored peppers, vegetable farmers generally use "four-pole pruning". Before the fruit is set, the side branches on the main trunk are timely thinned out to promote the development of the main branches. However, this pruning method is not static. With the continuous harvesting of colored peppers, the plants continue to grow, and the spread of the main branches is increasing, and the field will gradually become shaded in the later period. One main branch needs to be removed, and the four main branches can be changed into three main branches, so that the side branches can be fully utilized. It has more fruit set and takes advantage of positive fruit shape to increase yield and benefit. After the side branches have set fruit, timely topping can better promote fruit expansion and coloring. In the late growth stage of colored pepper, the fruiting parts are all on the upper part of the plant, and the surface of the fruit is easily sunburned. You should leave some side branches to shade the fruit. Generally, you can leave 2-3 leaves on the side branches as the head, and these leaves can still be manufactured. Nutrients are needed for plant growth.
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