Herbicide damage. For the cause of herbicide damage, it is nothing more than that the medicine is late, coupled with the seedling itself is sown late, and the lack of a step to train the seedling, the seedling will be weak and the phenomenon of pesticide damage will occur.
In response to this problem, it is recommended that you do not use herbicides after the jointing period of wheat, and if you want to fight, you should also choose some specific herbicides with high safety factors, and you must not use conventional herbicides.
In the case of herbicide damage, it can be well alleviated by spraying brassinolide.
Leaf blight. If the upper leaves of wheat are dry and yellowish during the grain filling period, it is most likely to be wheat leaf blight. Typical symptoms are yellowish stripes along the veins at the tip of the leaves, or irregularly distributed yellow lesions, and in severe cases, black-brown spots on the leaves, which eventually lead to the drying of wheat leaves. It seriously affects the photosynthesis of wheat, which causes a great loss to the yield of wheat.
For the prevention and control of leaf blight, it is recommended to spray fungicides directly for control, and triazole fungicides can be sprayed for control, and in serious cases, it is recommended to increase the dose of spraying.
Wheat leaf miner fly. During the wheat filling period, the dry tips of the leaves turn yellow, which is not necessarily caused by disease, but may also be caused by insect infestation. For example, the wheat leaf miner fly is a common insect pest during grain filling, which can cause yellowing of leaf tips.
To control wheat leaf miner flies, thiamethoxam agents can be used, and if the occurrence in the field is more serious, it is recommended to increase the dose of spraying.
The reasons and solutions for dry tips of leaves in wheat filling stage are introduced here, I hope it will be helpful to you. If you want to buy high-quality and high-yield wheat seeds, you can download the seed bank App, and the country's excellent wheat varieties are available for everyone to choose.
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