Other Advanced PGR Applications in Citrus
隐藏域元素占位
Other Advanced PGR Applications in Citrus
Other Advanced Applications of Plant Growth Regulators (PGRs) in Citrus
Propyl dihydrojasmonate and gibberellic acid
Spraying citrus with a combination of 25 mg/L propyl dihydrojasmonate and 1–3.3 mg/L gibberellic acid 45 days before harvest can effectively prevent the occurrence of "puffy skin" (rind puffing).
2,4-D and gibberellic acid
Spraying citrus fruit with a solution containing 8–12 mg/L 2,4-D and 5–15 mg/L gibberellic acid before color change helps maintain fruit quality and freshness while on the tree.
Chitosan
After harvest, evenly spraying the fruit surface with a 2% chitosan solution and allowing it to air-dry prevents the appearance of significant blemishes during 7 days of storage at 30°C.
Prochloraz
After harvesting fruit at the "eight-tenths ripe" stage (mature but not fully colored), select undamaged fruit and dip them for 1–2 minutes in a solution of 250–500 mg/L prochloraz; a combination of 180–225 mg/L prochloraz and 4–5 mg/L chitosan; or a combination of 150–200 mg/L prochloraz and 25–33 mg/L imazalil. After dipping, allow the fruit to air-dry before storage; this treatment controls stem-end rot, anthracnose, and mold, thereby extending storage life.
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