canopy management in fruit crops - Department of Agriculture & Co ...
canopy management in fruit crops - Department of Agriculture & Co ...
canopy management in fruit crops - Department of Agriculture & Co ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
• Before<br />
rejuvenation prun<strong>in</strong>g, branches are<br />
•<br />
•<br />
marked with a white chalk by mak<strong>in</strong>g a r<strong>in</strong>g<br />
around the branches. The selected branches<br />
should <strong>in</strong>itially be cut from the underside on<br />
the lower side by giv<strong>in</strong>g at least 10 cm deep<br />
cut. Thereafter, cutt<strong>in</strong>g should be done from<br />
the upper surface <strong>of</strong> the branch.<br />
The cut portion <strong>of</strong> branches is then pasted<br />
with cowdung or copper oxychloride to avoid<br />
<strong>in</strong>fection <strong>of</strong> fungal diseases. Immediately<br />
after head<strong>in</strong>g back, pruned wood needs to be removed from the orchard to<br />
prevent the damage by trunk borer.<br />
Better tree <strong>canopy</strong> after shoot th<strong>in</strong>n<strong>in</strong>g<br />
and prun<strong>in</strong>g<br />
Dur<strong>in</strong>g May-June, selected shoots are<br />
further pruned out to about 50 % <strong>of</strong><br />
total length for emergence <strong>of</strong> multiple<br />
shoots below the prun<strong>in</strong>g po<strong>in</strong>ts. This is<br />
ma<strong>in</strong>ly done to modify the tree structure<br />
and ma<strong>in</strong>ta<strong>in</strong> <strong>canopy</strong> size. Fruit<strong>in</strong>g starts<br />
three years after rejuvenation. The yield<br />
<strong>of</strong> plants dur<strong>in</strong>g <strong>in</strong>itial years is slightly<br />
low, while it <strong>in</strong>creases from third year.<br />
•<br />
•<br />
The new shoots arise on pruned branches<br />
<strong>of</strong> head<strong>in</strong>g back and a few shoots are<br />
reta<strong>in</strong>ed at a proper spac<strong>in</strong>g, grow<strong>in</strong>g<br />
towards periphery <strong>of</strong> trees.<br />
Four to six shoots develop<strong>in</strong>g <strong>in</strong> outer<br />
directions on ma<strong>in</strong> limbs should be allowed<br />
to develop. Proper development <strong>of</strong> new<br />
<strong>canopy</strong> <strong>in</strong> horizontal direction should be<br />
kept <strong>in</strong> m<strong>in</strong>d while practis<strong>in</strong>g th<strong>in</strong>n<strong>in</strong>g <strong>of</strong><br />
shoots.<br />
Tree grow<strong>in</strong>g vigorously<br />
after head<strong>in</strong>g back<br />
Heavy <strong>fruit</strong><strong>in</strong>g <strong>in</strong> rejuvenated tree<br />
Canopy Management <strong>in</strong> Fruit Crops 7