Cloprop (3-CPA) Application in Australian Fruits

                             Application of Auxin Cloprop (3-CPA) in Australian Fruits   Australia’s varied climates—temperate (southeast: 10–25℃, distinct seasons), tropical (northeast: 20–30℃, wet/dry cycles), and Mediterranean (southwest: 15–28℃, dry summers)—support key fruit crops like apples, pears, citrus, and stone fruits. As a synthetic auxin, Cloprop (3-CPA) plays two critical roles: fruit thinning (to reduce overcropping and boost fruit size) and abscission control (to prevent premature drop). Below is its application across major fruits, with a focus on fuit thinner and other functions.   Cloprop help fruit setting , it is widely use on apple trees.  1. Apples (Tasmania, Victoria: Goulburn Valley) Key Roles: Primary role – fruit thinning; secondary role – pre-harvest drop prevention. Cloprop help fruit setting . and Cloprop reduce fruit drop. Application Approach: Two foliar sprays. For thinning: Dilute 3-CPA to 10–15 ppm and spray when fruits are 10–15 mm diameter (post-bl…

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