A big vine rose fell like this because of a stem bee.
Flower friends raised a rose, have climbed all over the wall, flowering is also very many, can be said to be the favorite of flower friends, but this flower bud, growing well, has not blossomed this year, and the buds are beginning to turn yellow.
Fertilizer is very important to maintain rose, it is best to choose ecologically safe organic fertilizer, nitrogen, phosphorus and potassium content is rich and balanced, adding a variety of organic matter, minerals, amino acids, promote plant rub, more buds, more flowering, long florescence.
At the beginning, the flower friend thought that there was not enough fertilizer, so he added some fertilizer to promote the flower, but it still didn't get any better. As a result, thinking of ruthlessly pruning this rose, it may soon burst into bud and blossom, but found this scene after pruning.
There is actually a big bug in the stem, that is, the bee worm, which almost destroys the whole rose and eats all the stems inside, which prevents the stem of the rose from delivering nutrients, so the bud grows out and cannot bloom, and slowly yellowed and withered.
In order to improve the resistance of rose and reduce diseases and insect pests, we must pay attention to replenishing nutrient solution to rose, which is rich in nitrogen, phosphorus and potassium, adding all kinds of organic matter, minerals and amino acids to promote rose growth, flowering and improve resistance.
The stem wasp produces one generation a year and overwinters as larvae in the damaged branches. The activity began in late March of the following year, drilling out of the branches and turning to eat the new branches. First, eat around between xylem and phloem for 1 week, then eat upward along the pith, bite a round defecation hole at a certain distance, discharge oblong feces, and the injured branches and leaves wither and break. It pupated in the middle of April and emerged in the first ten days of May. The female lays eggs in the evening.
Hua Youshu said, "I cut a lot, and at last I left a huge bamboo shoot. I really can't bear it. Keep it. If there is a stem bee here, I can only accept my fate, because I cut it off and eat it. It's no different." all right, a big vine just fell. "
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If the rose is small, learn three tricks to become a giant.
Many flower friends complain to Huahua that their rose is small and only a few buds do not blossom diligently. Today, Huahua will tell you a few tricks to see how to turn the ordinary rose into a giant rose. The first move is to have enough fertilizer.
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