Actinidia pruning

Actinidia pruning

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Question: how to stop the sap?

I pruned the actinidia plants about 20 days ago and the male plant by a cut on the trunk (a branch removed) continues to come out of the transparent but viscous and above all abundant liquid. What should I do to stop the leakage of the liquid? Thanks

Actinidia pruning: Answer: prune kiwis

Dear Gianni,
the pruning of your kiwi happened a little late compared to the ideal period, which is at the end of winter; I understand that this year the climate was very special, with temperatures below zero also in March, but unfortunately many plants follow the seasons, adjusting to the hours of daily sunstroke, and not to the minimum or maximum temperatures; therefore you have pruned your plant when it was already in total vegetative growth, with great quantity of sap ascend, to bring nourishment and energy to the new shoots that are developing; for this reason a lot of sap comes out of the cuts, which is then removed from the rest of the plant. Usually the phenomenon stops by itself, and the cut heals. You can try to cover the cut with mastic for pruning, even if, if the sap that comes out is really so much, it is probable that the mastic does not succeed in performing the function of barrier, and that therefore once dried it is moved from its seat by the sap that comes out of the cut. In any case, consider that kiwis are very vigorous climbing plants, and it happens to many that the cuts made a little late leave large quantities of sap; as the days go by the lymph will become more and more dense and will stop going out; surely your plant will suffer a little for the event, but without completely losing its vigor; since it is then the male, we hope that it will flourish abundantly anyway, to pollinate your female actinidie and guarantee lots of fruit. However, consider that kiwis are often pruned drastically, and this does not have great negative effects on plants, which have strong vigor, and develop a few meters each year; a neighbor of mine tried to "kill" his mother-in-law's kiwi by pruning the branches in April and cutting them almost to the ground, but the plant, though producing almost no fruit, returned the following year more beautiful than before. In fact, the success of kiwi cultivation in Italy is also due to this: in addition to producing excellent fruits and in large quantities, they are so vigorous that even the error of the beginner in cultivation fate is forgiven by the plant, which continues to grow without suffer damage from excessive pruning, lack of fertilizers, not perfectly ideal position. Try more than anything else to remember the events of this year, in order to understand that kiwis should be pruned in January-February, because pruning done with the plant already in full vegetative growth cause a great loss of sap.