YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Ⅱ. IPM of Stone Fruits<br />
3. Control in early spring<br />
<strong>Key</strong> <strong>pests</strong>: scale insects; red spider mites.<br />
Control methods: spray 0.3-0.5 Baumé<br />
degree ( 波 美 度 ) of calcium polysulphides ( 石<br />
硫 合 剂 ).
Hooray! Your file is uploaded and ready to be published.
Saved successfully!
Ooh no, something went wrong!
Change language