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The Citrus Thrips (Classic Reprint)

Horton, John Raymond
The Citrus Thrips (Classic Reprint)
Excerpt from The Citrus ThripsAlthough the insect occurs In 111] urions numbers in Arizona, thus far it has been taken only in the Salt River Valley near Phoenix and Mesa (fig. Dr. A. W. Morrill informed the writer by letter that he thought he detected traces of thrips injury in an orange grove near Yuma, but specimens have not been taken there.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find m...

CHF 15.50

The Citrus Thrips (Classic Reprint)

Horton, John Raymond
The Citrus Thrips (Classic Reprint)
Excerpt from The Citrus ThripsAlthough the insect occurs In 111] urions numbers in Arizona, thus far it has been taken only in the Salt River Valley near Phoenix and Mesa (fig. Dr. A. W. Morrill informed the writer by letter that he thought he detected traces of thrips injury in an orange grove near Yuma, but specimens have not been taken there.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find m...

CHF 40.90

Katydids Injurious to Oranges in California (Classic Repr...

Horton, John Raymond
Katydids Injurious to Oranges in California (Classic Reprint)
Excerpt from Katydids Injurious to Oranges in CaliforniaThe orchards in Which the injury is excessive are not necessarily in isolated locations, as has been supposed, _noi° are they growing under any unusual conditions. The katydid, however, appears to be slightly more abundant in the foothills regions, and it shows some preference _for young and vigorously growing orchards.About the PublisherForgotten Books publishes hundreds of thousands of ...

CHF 38.50

Katydids Injurious to Oranges in California (Classic Repr...

Horton, John Raymond
Katydids Injurious to Oranges in California (Classic Reprint)
Excerpt from Katydids Injurious to Oranges in CaliforniaThe orchards in Which the injury is excessive are not necessarily in isolated locations, as has been supposed, _noi° are they growing under any unusual conditions. The katydid, however, appears to be slightly more abundant in the foothills regions, and it shows some preference _for young and vigorously growing orchards.About the PublisherForgotten Books publishes hundreds of thousands of ...

CHF 12.90