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Introduction to American almond varieties and their main characteristics

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The most important cultivated variety in the United States, accounting for more than half of total US almond production. It has been introduced and cultivated in China and many other countries around the world. Its flowering period is medium-early, and in years with mild winters and in areas prone to late frosts, the flowers are susceptible to frost damage, though the early bud stage has some frost resistance. It enters the fruiting stage 2-3 years after planting, with stable and high yields. The nuts are large and uniform, with an average single nut weight of 1.3 g-1.5 g. The kernel is smooth, uniform, and attractive in appearance, light brown in color, with a shell as thin as paper (kernel yield 60%-70%). The nuts mature early, generally in late August and September

The most important cultivated variety in the United States, accounting for more than half of total US almond production. It has been introduced and cultivated in China and many other countries around the world. Its flowering period is medium-early, and in years with mild winters and in areas prone to late frosts, the flowers are susceptible to frost damage, though the early bud stage has some frost resistance. It enters the fruiting stage 2-3 years after planting, with stable and high yields. The nuts are large and uniform, with an average single nut weight of 1.3 g-1.5 g. The kernel is smooth, uniform, and attractive in appearance, light brown in color, with a shell as thin as paper (kernel yield 60%-70%). The nuts mature early, generally maturing in late August and late September. The disadvantage is that the shell has poor sealing, often making it a target for birds and boring insects, and the kernel cannot be well protected.

Jinyin No. 2

Introduced from the United States in 1995, the tree has an open canopy and particularly strong growth vigor, with good fruiting ability. During management, timely pinching and thinning should be carried out. The shell is hard, with a kernel yield of 40%-45%, and the taste is sweet. The single nut weight is 1.5 g. It is a fine variety recently bred in the United States.

Jinyin No. 4

The second most important cultivated variety in California. Its quality is very similar to Nonpareil, but it is welcomed for its slight bitterness. The shell is very hard, with a kernel yield of 40%-50%. The tree is upright and vigorous. Its flowering period is a few days after Nonpareil and it cross-pollinates with it. It produces an especially large amount of pollen and is the most ideal pollinator variety. It has resistance to maggot damage and bird damage, and the harvest period is late September or early October.

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