cheapbag214s
Lord Cienia
Dołączył: 27 Cze 2013
Posty: 18549
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Wysłany: Wto 16:32, 20 Sie 2013 Temat postu: Management of thrips in garlic |
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Management of thrips in garlic,[link widoczny dla zalogowanych]
The infestation develops a spotted appearance on the leaves,[link widoczny dla zalogowanych], subsequently turning into silvery white blotches. The leaf tips fade and the basal portions get blighted and distorted from tip downwards and finally the plant dries up. The affected plants yield less,[link widoczny dla zalogowanych], with small sized bulbs.
Adults are slender,[link widoczny dla zalogowanych], yellowish brown and measure about 1mm in length and have narrow fringed wings.
A single female lays 40-50 eggs which hatch after 4-9 days,[link widoczny dla zalogowanych]. The entire life cycle is completed in 11-21 days,[link widoczny dla zalogowanych]. There are more than ten generations per year,[link widoczny dla zalogowanych]. The pest occurs on garlic from November to May and migrates to other crops from June,[link widoczny dla zalogowanych].
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