Recently, many vegetable farmers in Liaocheng City have reported that there are more malformed melons grown in their sheds, and the melons have poor commercial properties, resulting in low economic benefits. In this regard, Xiao Bian analyzed this malformation of the western gourd, mainly caused by the cloudy days of the previous period. In order to avoid the deformity of the lower melon, management should pay special attention. Below, Xiaobian will talk to you about the field management methods to prevent the fruit malformation of zucchini.
First, strengthen the management of fertilizer and water, and adjust the environment of the greenhouse.
At present, zucchini is in the stage of fruiting, the amount of fruit left is large, the growth of melons is accelerated, and the competition for nutrition between melons is intensified. At this time, the supply of fertilizer and water must be timely, avoiding the shortage of fertilizer and water to produce deformed melons. In the process of manure, functional fertilizers such as chitin, amino acid and fulvic acid can be selected, and the water-soluble fertilizer can be used in combination with roots to enhance the growth of the leaves and enhance the photosynthetic function of the leaves.
In addition, the temperature change management of the zucchini should be carried out according to the changes in the weather. After entering the melon period, the zucchini will maintain a shed temperature of 24 °C during the day, enhance photosynthesis, accumulate photosynthetic products, and control the night temperature at 12-14 °C to promote the transport of photosynthetic products to melons, and increase the temperature difference between day and night, which is more conducive to Accumulate nutrients and reduce consumption, thus reducing the formation of deformed melons.
Secondly, it is reasonable to keep the melons to ensure the healthy growth of the plants .
Excessive melons will cause insufficient nutrient supply to the growth of branches and leaves, the burden of plants is too heavy, and the number of deformed melons increases, which can cause premature aging. Therefore, while ensuring multi-growth melons, we must also take into account the vegetative growth of the plants. Excessive female flowers should be removed in time, and the weaker melons should be removed in time, leaving a melon in 2-3 leaves, and timely removal of the disease on sunny days. , old, yellow, residual leaves, reduce nutrient consumption, but also conducive to ventilation and light, so that plants can grow robustly.
Finally, reduce the occurrence of pests
In the low temperature season, the insulation of the greenhouse is good, and the pest damage is still serious. Especially the damage of whitefly, thrips and mites, it is easy to cause the melons to be damaged, and the malformed melons are present. It is recommended that the vegetable farmers prevent it early and spray once every 15 days. Spirotetramat (Acre). After the occurrence of pests, rational use of drugs, whitefly can be sprayed with thiamethoxam and nitenpyram; aphids can be sprayed with snail ester mixed with spirotetramat; sputum can be sprayed with ethyl doxorubicin plus chlorfenapyr.
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