How to manage rose in hot and rainy season
The reason for the death of potted rose in summer is that the potted soil is not well matched, the pot is not changed in spring, and the nutrients of the original potted soil are depleted. In this way, the rose can not withstand the high temperature and die. The rose is almost semi-dormant in the summer high temperature season. some people see that the rose does not blossom or blossom less, thinking that it is due to lack of fertility, so they apply more fertilizer and apply thick fertilizer, coupled with the high temperature in summer to speed up fertilizer fermentation. the rose will burn out the roots.
After turning the basin and changing soil, put it in a cool place for about a week and then carry out normal culture. Remove the consolidated soil and replace it with loose cultivated soil.
Control fertilization 15-20 days to apply light fertilizer solution, and then increase the amount of fertilizer in late summer. For the rose that has died, wash the roots and change the soil immediately, cut off some branches and put them in the shade for maintenance.
In addition, more water should be sprayed on the rose leaves in summer, watering should be carried out in the morning and evening, branches should not be strongly pruned, but also pay attention to pest prevention, and strengthen lighting and ventilation.
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Cutting techniques of Rose in Winter
From the middle of October to the first ten days of November, the branches with symmetrical and hidden buds were selected according to the overwintering pruning of rose, the leaves were removed and cut into cuttings 10 cm long (about 3 nodes). The upper end was cut into a flat mouth, sealed with paint, and the lower end was cut into a slant. two。 The nursery bed and nutrition bag are ready to choose a piece of land with leeward facing sun, flat terrain and loose soil to make a seedbed with a width of 1 meter, a length of 5 meters and a depth of 20 meters and 30 centimeters. The matured nutritious soil and fine sandy soil were half-mixed to form a soil moisture nutritious soil, and zinc was used.
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There is skill in pruning the rose.
Reasonable pruning is the key to control the florescence of rose. In practice, pruning should be carried out according to the comprehensive growth of rose plants. There are two types of buds on the flower branch of the rose, 1 to 5 leaves below the flower, the upper bud of the branch is pointed, and the flower branch is short, about 6 to 9 leaves, budding early, usually 15 to 18 days, and the flower is small. The middle bud of the branch (6 to 9 leaves under the flower) is round, the flower branch of the round bud is long, about 13 to 16 leaves, the budding time is longer, usually about 25 days, the flower is large; the bud eye at the base of the branch is flat, the bud is alive.
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