Management of Bud removal and retention in growing Pineapple
(i) Removal of crown buds
When crown buds reach ca. 20 cm, upper part opens and base narrows. Leaf base appears young roots, that is, the so-called "loose tail and waist", can be used to twist the crown bud clockwise for seedlings, fruit farmers call it "topping". Topping usually takes place from late May to early June. If you want to leave the crown bud for seedling use, you can use the top digging method or capping method to remove the crown bud early, so that the fruit top round, improve the weight of single fruit. The method of digging the top is as follows: after the flower is full in late April to early May, when the crown bud grows to 3 cm to 5 cm, a sharp topper made of thick iron sheet is inserted from the third layer leaflet of the crown bud in sunny days, and the leaflet of the growing point is dug out. The capping method is simpler. When the crown bud grows to 5 cm ~6 cm high, the left hand holds the fruit and the right hand infers the small crown bud with the thumb.
(ii) Remove the sprouts
Sprouts that are not used as seedlings should be removed as soon as possible. Plenty of buds should be removed 2~3 times, so as not to affect the growth of plants and fruit development due to many wounds. If you want to keep seedlings, each plant can only leave 2 to 3 more robust.
(3) Selection and retention of suctioning buds and tillering buds
Sucking buds are the fruiting mother plants of the following year. Each plant can choose 1~2 sucking buds which sprout early, grow vigorously and have lower insertion position. Surplus can be shoveled out for seedlings. Seeding usually takes place in August.
Tillers are usually removed, but when suckers are absent or suckers are elevated, 1 or 2 suckers can be retained to replace the parent plant for continued fruiting.
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Sunscreen and fruit protection of growing pineapple and management of cold protection in winter
(1) when the crown bud is removed, the positive fruit development period is in the middle of summer, and it is easy to be burned by the hot sun, which affects the quality of the fruit. Therefore, we must do a good job of sunscreen and fruit protection. Generally, one month before the fruit harvest, cover the top with pine hair, awn dustpan, mountain grass and so on. Again
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Control of Diseases and pests of navel Orange
In accordance with the general policy of giving priority to prevention and comprehensive control, based on agricultural control, according to the law of occurrence and development of diseases and pests, and the rational use of chemical control, biological control, physical and mechanical control and other measures according to time and local conditions, economic, safe, effective and simple control
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