In the jujube cultivation area, one of the most common pests is the jujube pupa mosquito. These insects feed on the tender leaves of jujube trees, causing damage by sucking the sap and stimulating the mesophyll tissue. As a result, the affected leaves curl into a tube-like shape, turn black, and eventually wither. The larvae of the jujube mosquito become active in April, laying eggs on new sprouts of jujube leaves. By early May, the infestation reaches its peak. Grafted buds typically sprout later than regular jujube trees, making them more vulnerable. The juvenile mosquitoes tend to gather on these late-germinating young leaves, leading to severe damage and even death of the new growth. To reduce this pest-related damage and improve grafting survival rates, it's essential to refine grafting techniques.
One effective method is to cover the grafting interface with plastic bags. This helps maintain moisture around the wound, promoting callus formation and increasing the chances of successful scion survival. The plastic bag also acts as a barrier, preventing the mosquitoes from reaching the newly sprouted leaves. Since the juvenile mosquitoes only target young, tender foliage and not mature leaves, once the scion starts growing, the plastic can be carefully removed. This protects the developing leaves from further harm, effectively reducing the impact of the mosquito infestation.
Another important consideration is the timing of grafting. Traditionally, jujube grafting occurs at a later time, but if done earlier, the scion can heal faster and start growing sooner. However, grafting too early may expose the scion to high temperatures inside the plastic bag—often exceeding 42°C in May. While jujube trees are heat-tolerant, their new shoots are still delicate and prone to sunburn. Using small plastic bags can cause the leaves to stick to the plastic, increasing the risk of damage. By grafting slightly earlier, the scion can develop quickly, allowing it to escape the peak mosquito season. Additionally, an earlier graft allows the tree to establish its canopy sooner, leading to better growth and a quicker transition into the high-yield phase.
Akkermansia Muciniphila,Akkermansia Muciniphila Powder,Akkermansia Muciniphila Bacteria,Akkermansia Muciniphila Treatment
Biodep Biotechnology Co. ,Ltd. , https://www.biodep.com